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All 170+ Free Online Tools Directory

Explore Every Online Tool (170+)

Fast, secure, client-side, and 100% free web utilities organized category-wise with instant search, favorites pinning, and 1-click launch.

AI & Smart Generators (26)

Next-gen artificial intelligence, voice engines, call studio & generators

26 Tools
AI POWERED

AI Background Remover

Remove image backgrounds instantly using AI. Create transparent PNG images, replace backgrounds, change colors, blur backgrounds, and download high-quality results for free.
Open Tool
AI POWERED

AI Content Detector

Check whether text is AI-generated or human-written using our advanced AI Detector. Analyze ChatGPT, Gemini, Claude, and other AI-generated content instantly. Free, fast, secure, and works entirely in your browser.
Open Tool
AI POWERED

AI Email Writer

Write professional, persuasive, and human-like emails in seconds with AI. Generate business emails, job applications, customer support replies, sales follow-ups, and cold outreach.
Generate Now
AI POWERED

AI Image Generator

Generate and edit high-quality AI images for free. Create beautiful photos from prompts with Stable Diffusion/Flux or upload your own images to edit styles (Sketch, Cartoon, Neon, Vintage) instantly.
Generate Now
AI POWERED

AI Voiceover Studio

Generate natural and high-quality AI voiceovers entirely in your browser. Clone voices and convert text to speech for free using client-side AI.
Open Tool
SOCIAL MOCKUP

Fake Chat Generator

Create hyper-realistic fake chat screenshots for Instagram DM, WhatsApp, Messenger, and iMessage. Free online mockup maker with iPhone frame and 4K PNG export.
Generate Now
AI POWERED

Favicon Generator

Convert 1 image into a complete multi-platform App Icon & Favicon pack. Generate iOS App Store icons, Android Adaptive icons, custom dimension icons, web favicons (.ico, 16x16, 32x32, 180x180), webmanifest files, and HTML meta tags.
Generate Now
AI POWERED

Glassmorphism Generator

Create stunning CSS frosted glassmorphism effects, interactive 3D cards, and animated mesh background gradients. Export clean CSS, Tailwind CSS classes, React JSX, and HD PNG images.
Generate Now
AI POWERED

Image Upscaler

Upscale photos, anime, and graphics up to 8x resolution without quality loss. 100% free, private browser-based AI image enhancer with instant before/after preview.
Open Tool
INSTAGRAM

Instagram Caption Generator

Generate engaging, viral, and SEO-optimized Instagram captions with AI. Create captions for Reels, Posts, Stories, Business, Influencers, Brands, Travel, Fashion, Fitness, Food, and more in seconds.
Generate Now
AI POWERED

Meme Generator

Generate custom memes with top/bottom text or crop your photos to perfect circles for social media profiles. Customize borders, fonts, colors, and download instantly.
Generate Now
AI POWERED

QR Code Generator

Generate custom QR codes instantly. Upload your custom logo or product image, select styling presets, generate AI frame borders, and download PNG.
Generate Now
AI POWERED

Random Number Generator

Generate truly random integers, decimals, unique numbers, passwords, lottery picks, dice rolls, and customizable random lists instantly with our advanced Random Number Generator.
Generate Now
ATS RESUME

Resume Builder

Build professional resumes online for free with live AI helper suggestions, multiple templates, and instant print-ready PDF downloads. 100% private and secure.
Generate Now
AI POWERED

SEO Meta Generator

Generate OpenGraph meta tags, Twitter cards, and custom Robots.txt rules with real-time Google Search SERP and Facebook social preview cards.
Generate Now
AI POWERED

Sitemap Generator

Generate XML sitemaps or extract and audit website links from HTML source code locally. Analyzes URL depths, SEO anchors, priorities, and yields immediate downloads.
Generate Now
AI POWERED

SVG Shape Generator

Generate customizable vector SVG waves, layered section dividers, and animated organic blob shapes inspired by GetWaves.io & Blobmaker.app. Export clean SVG code, Data URI, React JSX, and .svg files.
Generate Now
AI POWERED

Unicode Font Generator

Generate cool Unicode fonts for your Instagram, Twitter, TikTok, and WhatsApp bios. 35+ stylish fonts including cursive, gothic, double-struck, small caps, and live profile preview mockup.
Generate Now
AI POWERED

Voice Changer

Record your voice or upload audio files to apply robot, chipmunk, deep pitch, and echo effects offline. 100% free, secure client-side processing with WAV downloads.
Open Tool
YOUTUBE

YouTube Name Generator

Generate unique, memorable, brandable, and SEO-friendly YouTube channel names, handles, and descriptions. Custom styles, audience filters, and offline client-side support.
Generate Now
YOUTUBE

YouTube Title Generator

Generate SEO-optimized YouTube video titles and descriptions instantly. Create engaging, click-worthy titles and keyword-rich descriptions to improve rankings offline.
Generate Now
YOUTUBE

YouTube Hashtag Generator

Generate highly relevant and SEO-optimized YouTube hashtags for better video visibility. 100% free and runs offline.
Generate Now
YOUTUBE

YouTube Hook Generator

Generate high-retention, SEO-optimized, AI-powered YouTube hooks that grab attention in the first 3–10 seconds and maximize audience retention.
Generate Now
YOUTUBE

YouTube Tags Generator

Free online YouTube Tags Generator utility on Zee AI Tools with instant browser processing.
Generate Now
YOUTUBE

YouTube Script Generator

Build professional, high-retention, and SEO-optimized YouTube video scripts. Instantly generate hooks, narration script, tags, competitor research gap analysis, keyword volumes, and analytics.
Generate Now

PDF & Document Utilities (41)

Convert, edit, merge, split, sign, protect and compress PDF documents

41 Tools
PDF & DOCS

Watermark PDF

Add custom text or image watermarks to PDF files online for free. Interactive multi-page preview grid, 3x3 position matrix, opacity control, and 100% private browser processing.
Open Tool
PDF & DOCS

PDF Compressor

Free online PDF Compressor utility on Zee AI Tools with instant browser processing.
Compress Now
PDF & DOCS

HTML to PDF Converter

Convert HTML code, HTML files, or webpages to PDF online for free. Custom page sizes (A4, Letter), margins, orientation, CSS styling preservation, and 100% private browser processing.
Convert Now
PDF & DOCS

DOCX to PDF Converter

Free online DOCX to PDF Converter utility on Zee AI Tools with instant browser processing.
Convert Now
PDF & DOCS

HTML to PDF Converter

Convert HTML code, HTML files, or webpages to PDF online for free. Custom page sizes (A4, Letter), margins, orientation, CSS styling preservation, and 100% private browser processing.
Convert Now
PDF & DOCS

Image to PDF Converter

Free online Image to PDF Converter utility on Zee AI Tools with instant browser processing.
Convert Now
PDF & DOCS

Invoice Generator

Create professional invoices online for free. Customize your invoice with your logo, company details, taxes, discounts, multiple currencies, PDF download, print, and more.
Generate Now
PDF & DOCS

JPG to PDF Converter

Free online JPG to PDF Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

JPG to PDF Converter

Convert JPG, PNG, WEBP, and BMP images into a single professional PDF document online for free. Combine multiple photos into PDF with 100% private browser processing.
Convert Now
PDF & DOCS

Keyword Density Checker

Check and analyze the density of keywords in your text or URL. Avoid keyword stuffing penalties, monitor word frequencies, and optimize SEO copy. 100% free and local.
Open Tool
PDF & DOCS

PDF Merger

Free online PDF Merger utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

Password Generator

Generate highly secure, randomized passwords instantly. Toggle length, uppercase, lowercase, numbers, and symbols. 100% client-side secure with entropy calculation and session history.
Generate Now
PDF & DOCS

Protect PDF

Password protect PDF files online for free. Encrypt your PDF documents with strong passwords and custom permissions. 100% private client-side encryption.
Open Tool
PDF & DOCS

PDF to Excel Converter

Free online PDF to Excel Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF to JPG Converter

Free online PDF to JPG Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF to PowerPoint

Free online PDF to PowerPoint utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF to Word Converter

Free online PDF to Word Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF Compressor

Reduce PDF file size online for free while optimizing for maximal PDF quality. Extreme, Recommended, and Less compression modes with 100% private browser-side processing.
Compress Now
PDF & DOCS

PDF Editor

Edit PDF files online for free. Add text, images, signatures, highlights, shapes, pages, annotations, forms, and much more. Fast, secure, and privacy-friendly.
Open Tool
PDF & DOCS

PDF Merger

Merge multiple PDF files into one document instantly. Reorder pages, preview PDFs, rotate pages, remove pages, and combine files securely 100% offline in your browser.
Open Tool
PDF & DOCS

PDF Rotator

Rotate PDF pages online for free. Permanently rotate individual PDF pages or all pages 90° clockwise, counter-clockwise, or 180° with live thumbnail grid preview and 100% private browser processing.
Open Tool
PDF & DOCS

Sign PDF

Free online Sign PDF utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF Splitter

Split PDF files into multiple documents instantly. Extract specific pages, split by page ranges, odd/even pages, or every page. 100% secure and browser-based offline tool.
Open Tool
PDF & DOCS

PDF to DOCX Converter

Free online PDF to DOCX Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF to Excel Converter

Extract tables, data grids, and financial reports from PDF into editable Microsoft Excel (.xlsx) spreadsheets online for free. 100% private client-side processing.
Convert Now
PDF & DOCS

PDF to Image Converter

Free online PDF to Image Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF to JPG Converter

Convert PDF pages into high-resolution JPG images online for free. Extract all PDF pages into sharp PNG or JPG pictures instantly with 100% private browser processing.
Open Tool
PDF & DOCS

PDF to PowerPoint

Convert PDF documents and slide decks into editable Microsoft PowerPoint (.pptx) presentation files online for free. 100% private client-side processing.
Open Tool
PDF & DOCS

PDF to PPTX Converter

Free online PDF to PPTX Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

PDF to Word Converter

Convert PDF documents into editable Microsoft Word (.docx) files online for free. 100% private, client-side conversion preserving text, layout, and formatting.
Convert Now
PDF & DOCS

PDF to XLSX Converter

Free online PDF to XLSX Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

Protect PDF

Password protect PDF files online for free. Encrypt your PDF documents with strong passwords and custom permissions. 100% private client-side encryption.
Open Tool
PDF & DOCS

PDF Rotator

Rotate PDF pages online for free. Permanently rotate individual PDF pages or all pages 90° clockwise, counter-clockwise, or 180° with live thumbnail grid preview and 100% private browser processing.
Open Tool
PDF & DOCS

Sign PDF

Free online Sign PDF utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

Sign PDF

Professional Sign PDF Document Studio online for free. Draw digital signatures, type cursive names, create initials & company stamps with 100% private browser processing.
Open Tool
PDF & DOCS

PDF Splitter

Free online PDF Splitter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

Watermark PDF

Add custom text or image watermarks to PDF files online for free. Interactive multi-page preview grid, 3x3 position matrix, opacity control, and 100% private browser processing.
Open Tool
PDF & DOCS

Word to PDF Converter

Free online Word to PDF Converter utility on Zee AI Tools with instant browser processing.
Open Tool
PDF & DOCS

Word Counter

Count words, characters, sentences, paragraphs, and reading time in real-time. Convert text cases, analyze keyword density, and upload DOCX/TXT files safely.
Open Tool
PDF & DOCS

Wordle Game

Play Wordle online for free! Guess the hidden 5-letter word in 6 tries with live hints, stats, and keyboard feedback.
Play Game
PDF & DOCS

Word to PDF Converter

Convert Word documents (.docx, .doc) into high-quality PDF files online for free. Preserve formatting, fonts, images, and tables. 100% private client-side conversion.
Convert Now

Image Converters (Pic to Format) (27)

High-speed batch raster & vector image format transformations

27 Tools
IMAGE CONVERTER

AI Image Converter

Convert PNG, JPG, and WEBP to Adobe Illustrator (AI) vector graphics offline. Free, private, and secure client-side picture to vector AI converter.
Convert Now
IMAGE CONVERTER

APNG Image Converter

Convert standard images to animated APNG format offline. Free, private, and secure client-side browser animation creator.
Convert Now
IMAGE CONVERTER

BMP Image Converter

Convert PNG, JPG, and WEBP to uncompressed BMP images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

DDS Image Converter

Convert PNG, JPG, and WEBP to uncompressed DDS textures offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

EPS Image Converter

Convert PNG, JPG, and WEBP to Encapsulated PostScript (EPS) files offline. Free, private, and secure client-side picture to vector EPS converter.
Convert Now
IMAGE CONVERTER

EXR Image Converter

Convert PNG, JPG, and WEBP to OpenEXR high-dynamic-range files offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

GIF Image Converter

Convert PNG, JPG, WEBP, BMP, SVG, and other image formats to GIF format instantly and offline. 100% secure client-side browser conversion with customizable color palette size and transparency options.
Convert Now
IMAGE CONVERTER

HDR Image Converter

Convert PNG, JPG, and WEBP to Radiance HDR (RGBE) high dynamic range images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

ICO Image Converter

Convert PNG, JPG, and WEBP to multi-resolution Windows ICO and favicon files offline. Free, private, and secure client-side icon compiler.
Convert Now
IMAGE CONVERTER

JP2 Image Converter

Convert PNG, JPG, and WEBP to JPEG 2000 (JP2) image files offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

JPG Image Converter

Convert PNG, WEBP, BMP, SVG, and other image formats to JPG format instantly and offline. 100% secure client-side browser conversion with custom quality compression, solid fill, and queue support.
Convert Now
IMAGE CONVERTER

PBM Image Converter

Convert PNG, JPG, and WEBP to uncompressed PBM images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

PCX Image Converter

Convert PNG, JPG, and WEBP to ZSoft Paintbrush true-color PCX images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

PDF Image Converter

Convert PNG, JPG, and WEBP images into standardized PDF documents offline. Merge multiple photos or compile separate PDFs client-side.
Convert Now
IMAGE CONVERTER

PGM Image Converter

Convert PNG, JPG, and WEBP to uncompressed PGM images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

PNG Image Converter

Convert JPG, WEBP, BMP, SVG, and other image formats to PNG format instantly and offline. 100% secure client-side browser conversion with resizing, rotation, transparency, and queue support.
Convert Now
IMAGE CONVERTER

PPM Image Converter

Convert PNG, JPG, and WEBP to uncompressed PPM images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

PSD Image Converter

Convert PNG, JPG, and WEBP images into layered Adobe Photoshop PSD files offline. Package multiple photos as organized layers client-side.
Convert Now
IMAGE CONVERTER

RAW Image Converter

Convert PNG, JPG, and WEBP to uncompressed raw binary pixel data stream files (.raw, .bin) offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

SVG Image Converter

Convert PNG, JPG, and WEBP to scalable vector SVG files offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

SVGZ Image Converter

Convert PNG, JPG, and WEBP to compressed scalable vector SVGZ files offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

TGA Image Converter

Convert PNG, JPG, and WEBP to Truevision TGA texture files offline. Free, private, and secure client-side picture to TGA converter.
Convert Now
IMAGE CONVERTER

TIFF Image Converter

Convert PNG, JPG, and WEBP to uncompressed TIFF images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

WBMP Image Converter

Convert PNG, JPG, and WEBP to uncompressed WBMP images offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

WEBP Image Converter

Convert PNG, JPG, BMP, SVG, and other image formats to WebP format instantly and offline. 100% secure client-side browser conversion with quality sliders, lossless toggles, and queue support.
Convert Now
IMAGE CONVERTER

XBM Image Converter

Convert PNG, JPG, and WEBP to 1-bit X Bitmap (XBM) C source code format offline. Free, private, and secure client-side picture converter.
Convert Now
IMAGE CONVERTER

XPM Image Converter

Convert PNG, JPG, and WEBP to color X PixMap (XPM) C source headers offline. Free, private, and secure client-side picture converter.
Convert Now

Image & Graphic Design Tools (2)

Compress, crop, upscale, resize and manipulate photos with 100% privacy

2 Tools
GRAPHICS

Image Compressor

Compress PNG, JPG, JPEG, WEBP, and SVG images in bulk completely offline. Convert formats, resize dimensions, and optimize sizes up to 90% securely in your browser.
Compress Now
GRAPHICS

Image Cropper

Crop JPG, PNG, WEBP, or GIF images offline directly in your browser. Select custom pixel dimensions, adjust aspect ratios, and crop accurately with dynamic overlay guides.
Open Tool

Calculators & Financial Tools (36)

Loan EMI, mortgages, salary, taxes, pregnancy, GPA and scientific precision math engines

36 Tools
CALCULATOR

Age Calculator

Calculate your exact age in years, months, weeks, days, hours, minutes, and seconds. Get your next birthday countdown, Chinese zodiac, birthstone, and date difference calculations. 100% free and client-side.
Calculate Now
CALCULATOR

Amortization Calculator

Generate complete amortization schedules, calculate monthly payments, analyze interest, estimate payoff dates, compare loans, and reduce interest with ZeeAITools
Calculate Now
CALCULATOR

Auto Loan Calculator

Calculate your monthly car loan payments, total interest, taxes, fees, amortization schedule, refinancing savings, and total ownership cost with ZeeAITools
Calculate Now
CALCULATOR

BMI Calculator

Free BMI Calculator to calculate Body Mass Index using Metric or US units. Get your BMI score, healthy weight range, ideal weight, body fat estimate, BMR, daily calorie needs, water intake, obesity risk, interactive health charts, and downloadable reports.
Calculate Now
CALCULATOR

BMR Calculator

Free BMR Calculator to calculate your Basal Metabolic Rate and Total Daily Energy Expenditure (TDEE). Supports Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas with macro plans and meal distribution.
Calculate Now
CALCULATOR

Body Fat Calculator

Free Body Fat Calculator to calculate body fat percentage using the official U.S. Navy Method. Get your body fat %, lean body mass, fat mass, ideal body fat, obesity risk, and body composition charts instantly.
Calculate Now
CALCULATOR

Calorie Calculator

Free Calorie Calculator to estimate daily calorie needs, BMR, TDEE, BMI, healthy weight, protein, carbs, fats, water intake, and weight loss or muscle gain calories. Includes meal planner, calorie burn calculator, nutrition charts, food energy converter, and downloadable reports.
Calculate Now
CALCULATOR

Color Matrix Game

Test your memory with Color Matrix game online for free! Remember and repeat flashing color sequences.
Play Game
CALCULATOR

Compound Interest Calculator

Free online Compound Interest Calculator to calculate compound interest, future value, APY, APR, investment growth, savings projections, and interest schedules with interactive charts.
Calculate Now
CALCULATOR

Concrete Calculator

Calculate concrete volume, bags, weight, cost, cement, sand, gravel, and reinforcement instantly with our advanced Concrete Calculator for slabs, columns, footings, stairs, walls, driveways, and more.
Calculate Now
CALCULATOR

Unit Conversion Calculator

Convert between 100+ measurement units instantly. Supports length, weight, temperature, area, volume, speed, pressure, energy, time, digital storage, cooking units, scientific units, and more.
Calculate Now
CALCULATOR

Due Date Calculator

Estimate your pregnancy due date using your last menstrual period (LMP), conception date, IVF transfer date, or ultrasound. Calculate current pregnancy week, trimester, baby development, and printable pregnancy timeline instantly.
Calculate Now
CALCULATOR

Finance Calculator

Free online Finance Calculator to solve for Future Value (FV), Present Value (PV), Payment (PMT), Interest Rate (I/Y), and Loan Period (N) with TVM formulas, amortization schedules, and interactive charts.
Calculate Now
CALCULATOR

Fraction Calculator

Use our advanced Fraction Calculator to add, subtract, multiply, divide, simplify, compare, convert, and calculate mixed fractions instantly with full step-by-step solutions.
Calculate Now
CALCULATOR

GPA Calculator

Calculate your GPA instantly with our advanced GPA Calculator. Supports semester GPA, cumulative GPA, target GPA planning, weighted and unweighted GPA, CGPA conversion, and detailed academic analysis.
Calculate Now
CALCULATOR

Grade Calculator

Calculate your grades instantly with our advanced Grade Calculator. Supports weighted grades, final exam calculator, GPA conversion, percentage calculator, letter grades, and academic planning.
Calculate Now
CALCULATOR

Ideal Weight Calculator

Free Ideal Weight Calculator to calculate your ideal body weight (IBW) using Devine, Robinson, Miller, and Hamwi medical formulas alongside WHO healthy BMI weight ranges.
Calculate Now
CALCULATOR

Income Tax Calculator

Free online Income Tax Calculator to estimate federal, state, and international tax liability, tax refund, take-home salary, deductions, tax brackets, capital gains, and self-employment tax.
Calculate Now
CALCULATOR

Inflation Calculator

Free online Inflation Calculator to estimate purchasing power, future value, historical CPI adjustments, annual inflation rates, salary requirements, and real-life cost comparisons.
Calculate Now
CALCULATOR

Interest Calculator

Calculate compound interest, simple interest, recurring investments, taxes, inflation-adjusted returns, investment growth, SIP returns, and future value instantly using ZeeAITools
Calculate Now
CALCULATOR

Interest Rate Calculator

Free Interest Rate Calculator to determine loan interest rates, APR, monthly payments, total interest, amortization schedule, refinancing savings, and payment breakdown. Includes interactive charts, reverse calculations, downloadable reports, and real-time results.
Calculate Now
CALCULATOR

Investment Calculator

Free online Investment Calculator to estimate future investment value, compound interest, ROI, annual returns, inflation-adjusted value, SIP plans, and investment growth charts.
Calculate Now
CALCULATOR

IP Subnet Calculator

Calculate IPv4 & IPv6 subnet information instantly. Get subnet mask, wildcard mask, CIDR, network address, broadcast address, usable host range, binary conversion, subnet charts, VLSM planning, and more.
Calculate Now
CALCULATOR

Loan Calculator

Calculate monthly loan payments, total interest, payoff schedule, amortization table, extra payments, and complete loan details instantly using our advanced Loan Calculator.
Calculate Now
CALCULATOR

Mortgage Calculator

Use our free Mortgage Calculator to estimate monthly mortgage payments, total interest, loan payoff schedule, amortization table, property taxes, insurance, PMI, and more.
Calculate Now
CALCULATOR

Pace Calculator

Free Pace Calculator for runners, cyclists, and athletes. Calculate running pace per km/mile, finish times, split lap times, Riegel race predictions, and training pace zones.
Calculate Now
CALCULATOR

Payment Calculator

Calculate monthly loan payments, total interest, payoff dates, amortization schedules, refinancing savings, and extra payment benefits with ZeeAITools
Calculate Now
CALCULATOR

Percentage Calculator

Use our advanced Percentage Calculator to calculate percentages, percentage increase, decrease, difference, discounts, markups, tips, tax, grades, profit margins, and more with step-by-step explanations.
Calculate Now
CALCULATOR

Pregnancy Due Date Calculator

Free online Pregnancy Calculator to estimate due date (EDD), current gestational week, trimester progress, baby size, weight gain, kick counter, contraction timer, and prenatal appointment schedule.
Calculate Now
CALCULATOR

Conception Calculator

Free online Pregnancy Conception Calculator to estimate your exact conception date, fertile window, ovulation day, gestational age, and due date using LMP, Due Date, or Ultrasound scan methods.
Calculate Now
CALCULATOR

Retirement Calculator

Plan your retirement with ZeeAITools
Calculate Now
CALCULATOR

Salary Calculator

Free Salary Calculator to estimate hourly, daily, weekly, monthly, quarterly, and annual income. Calculate gross salary, net pay, taxes, deductions, overtime, bonuses, retirement contributions, and download detailed salary reports instantly.
Calculate Now
CALCULATOR

Sales Tax Calculator

Free Sales Tax Calculator to calculate sales tax, VAT, GST, tax-inclusive and tax-exclusive prices, discounts, shipping, invoices, and final payable amount. Supports multiple currencies, tax comparison, downloadable reports, and interactive charts.
Calculate Now
CALCULATOR

Scientific Calculator

Use our advanced Scientific Calculator to solve arithmetic, algebra, trigonometry, logarithms, powers, roots, statistics, matrices, binary, hexadecimal, and engineering calculations instantly.
Calculate Now
CALCULATOR

Standard Deviation Calculator

Calculate standard deviation, variance, mean, median, mode, quartiles, z-score, confidence intervals, and complete statistical analysis with step-by-step solutions.
Calculate Now
CALCULATOR

Triangle Calculator

Use our advanced Triangle Calculator to solve any triangle using sides, angles, area, perimeter, altitude, medians, inradius, circumradius, and step-by-step calculations.
Calculate Now

Social Media & Video Tools (13)

YouTube, Instagram, TikTok downloaders, hashtag finders, comment pickers and analytics

12 Tools
1080P HD & REELS

Facebook Video Downloader

Download Facebook Reels, Watch videos, and stories in 1080p Full HD MP4 or extract MP3 audio directly to your device.
Free Tool
1080P HD & REELS

X / Twitter Video Downloader

Download Twitter (X) videos, posts, reels, GIFs, and photos in 1080p Full HD MP4 or extract MP3 audio directly to your device.
Free Tool
INSTAGRAM

Instagram Carousel Maker

Design beautiful and seamless swipeable carousels for Instagram. Create continuous gradient or image backgrounds across multiple slides, add custom text, stickers, and preview inside a live smartphone frame. 100% offline & secure.
Open Tool
INSTAGRAM

Instagram Downloader

Free online Instagram Downloader tool. Download Instagram Reels, Videos, Photos, IGTV, Stories & Carousels in full HD quality without login. Fast, secure & 100% free.
Open Tool
INSTAGRAM

Instagram Grid Splitter

Slice large photos into 3x1, 3x2, 3x3, or 3x4 grids and preview them inside a interactive 3D mobile Instagram profile mockup. 100% offline and secure.
Open Tool
INSTAGRAM

Instagram Details Extractor

Extract detailed information from any public Instagram Reel, Post, Carousel or Video including caption, hashtags, engagement, profile insights, media information and SEO data.
Open Tool
TIKTOK

TikTok Downloader

Free online TikTok Downloader tool. Download TikTok videos without watermark in HD MP4 quality and extract MP3 audio. Fast, secure & 100% free without login.
Open Tool
YOUTUBE

YouTube Channel Audit

Analyze any YouTube channel with AI. Get a complete SEO audit, growth insights, thumbnail analysis, content strategy, engagement metrics, competitor comparison, keyword analysis, and personalized recommendations powered by YouTube Data API v3.
Open Tool
YOUTUBE

YouTube Comment Picker

Pick random giveaway winners from YouTube video comments fairly. Filter duplicate users, exclude replies, search keywords, detect spam, and export results.
Open Tool
YOUTUBE

YouTube Thumbnail Downloader

Extract and download high-resolution HD thumbnails from any YouTube video URL. Get 1080p, standard, and medium qualities instantly. 100% free and local.
Open Tool
YOUTUBE

YouTube Details Extractor

Instantly extract full YouTube video metadata, statistics, channel insights, tags, similar videos, and perform AI-powered SEO optimization reviews.
Open Tool
YOUTUBE

YouTube Tags Inspector

Extract hidden tags, metadata, and keywords from any YouTube video. Check tag relevancy using AI, perform competitor audits, and get actionable SEO suggestions.
Open Tool
YOUTUBE

YouTube Thumbnail Tester

Compare two YouTube thumbnails using AI and discover which one is more likely to generate a higher CTR, better engagement, and stronger YouTube SEO performance.
Open Tool

Developer & Coding Utilities (7)

JSON formatters, regex testers, JWT decoders, Base64 encodings and web dev essentials

7 Tools
DEV IDE

Zee Code Runner

Free online multi-language code compiler & IDE. Write, compile, and run Python, Java, C++, C#, JS, PHP, Go, Rust, and HTML online with live terminal console.
Run Code Now
DEV UTILITY

Binary & Base64

Convert text to base64, base64 to text, text to binary, and binary to text. Free online client-side encoder tool with real-time translation and file download.
Open Tool
DEV UTILITY

Code to Image

Turn your source code into beautiful, high-resolution code snippet images for Twitter, LinkedIn, tech blogs, and documentation. Custom syntax themes, gradient backgrounds, macOS window frames, and 4K PNG exports.
Open Tool
DEV UTILITY

JSON to CSV Converter

Convert JSON arrays to CSV or CSV spreadsheets to JSON objects locally. Features JSON auto-repair, deep array flattening, and search-sort preview tables.
Convert Now
DEV UTILITY

JSON Formatter

Format, minify, auto-repair broken JSON, inspect interactive tree view, and convert JSON into TypeScript interfaces, Go structs, Python Pydantic, Rust serde, YAML, XML, and CSV.
Open Tool
DEV UTILITY

JWT Debugger

Decode, verify, and generate JWT (JSON Web Tokens) online. Inspect Header, Claims Payload, Signature verification, and exp/iat timestamps in real-time. 100% private client-side parsing.
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DEV UTILITY

Regex Tester

Test regular expressions in real-time with visual match highlighting, capture groups breakdown, flag toggles (g, i, m, s, u), preset regex templates, and an interactive cheat sheet.
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SEO & Webmaster Tools (3)

Plagiarism checkers, keyword density analyzers, XML sitemaps and backlink inspection

3 Tools
SEO TOOL

Backlink Checker

Analyze the backlink profile, anchor texts, referring domains, and link authority of any website. 100% free online SEO diagnostics tool.
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SEO TOOL

Domain Age Checker

Calculate the exact age, registration date, registrar, and expiration details of any domain name. 100% free online SEO utility.
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SEO TOOL

Plagiarism Checker

Audit your text content for originality. Scan articles and essays against duplicate content indices. 100% client-side secure with DOCX upload and sentence highlights.
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Interactive Games & Fun (6)

3D Rubik's cube, speed typing, reaction time tests, Wordle, and arcade mini-games

6 Tools
PLAYABLE

2048 Game

Play the famous 2048 number tile merging puzzle game online for free! Join tiles and reach 2048.
Play Game
PLAYABLE

Reaction Speed Test

Test your reflex reaction speed in milliseconds online for free! Click when screen turns green.
Play Game
PLAYABLE

3D Rubik's Cube

Play 3D Rubik
Play Game
PLAYABLE

Snake Game

Play Cyber Snake Arcade game online for free! Control the snake, collect apples, and beat the high score.
Play Game
PLAYABLE

Speed Typing Test

Test your typing speed in Words Per Minute (WPM) online for free! Live accuracy, error audit, and high scores.
Play Game
PLAYABLE

Tic Tac Toe

Play Tic Tac Toe online against an Unbeatable AI bot or 2 player mode! Free online strategy game.
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Text & Time Utilities (3)

Word counters, Unicode font stylers, world time zone clocks and typography generators

3 Tools
TEXT UTILITY

Image to Text (OCR)

Extract text from images instantly using AI OCR. Convert JPG, PNG, WEBP, HEIC, BMP, TIFF, GIF, AVIF, and scanned documents into editable text online for free.
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TEXT UTILITY

Time Around the World

View current live local time across all countries in the world. Includes auto-detected local time hero banner, country flags, live ticking clocks, and time difference relative to your location.
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TEXT UTILITY

World Time Converter

Compare all world time zones at a glance with 1-hour and 30-minute step intervals. Schedule international meetings with live bright timeline cards. World Time Buddy alternative.
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General Utilities (11)

Everyday productivity, currency converters, and browser utilities

11 Tools
UTILITY

Audio Cutter

Trim, cut, or crop MP3, WAV, AAC, M4A, FLAC, and OGG files online. Apply volume boosts, speed changes, fade effects, and export locally. 100% free and offline.
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UTILITY

Code Compiler

Free online code compiler and IDE. Write, compile, and run Python, Java, C++, C#, JavaScript, PHP, Go, Rust, TypeScript, and HTML online with live terminal console.
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UTILITY

Color Blind Simulator

Simulate color blindness conditions on photos or check text-to-background WCAG contrast ratios locally. Offline responsive SVG matrix rendering. 100% free.
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UTILITY

Currency Converter

Convert currencies instantly with live exchange rates. Supports 170+ world currencies, historical exchange rates, charts, favorites, and offline caching.
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UTILITY

3D Cyber Pong

Play 3D Perspective Cyber Pong Game online for free! Control paddle vs AI bot with physics collision.
Play Game
UTILITY

3D Cyber Racing

Play Night City Racing 3D online in full screen! High speed 3D supercar racing game with garage customization, AI opponents, and nitro boost.
Play Game
UTILITY

Grammar Checker

Proofread and audit your writing instantly. Check spelling, grammar, passive voice, and wordiness. 100% client-side secure with DOCX upload and inline suggestion fixes.
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UTILITY

HEIC Converter

Convert Apple HEIC and HEIF photos to JPG, PNG, and WEBP formats offline. Free, secure, and private client-side converter using WebAssembly.
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UTILITY

3D Memory Match

Test your brain visual memory with 3D Card Flip Memory Match game! Match identical card pairs.
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UTILITY

Screen Recorder

Record your computer screen, browser tabs, webcam, or microphone audio online for free. 100% client-side secure, high-resolution recording with local downloads.
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