Free Online Tools
Fast, private, no sign-up. Every tool runs in your browser — your files never leave your device.
Image Compressor
Compress images up to 80% smaller. Drag & drop, instant download. No upload to any server.
Image Resizer
Resize images to exact pixel dimensions. Presets for social media, web, and more.
Image Cropper
Crop images with preset aspect ratios. Perfect for social media and profile pictures.
Image Converter
Convert between PNG, JPEG, and WebP formats. Batch convert multiple files at once.
QR Code Generator
Generate QR codes for URLs, text, WiFi, or vCards. Download as PNG or SVG.
Word & Character Counter
Count words, characters, sentences, paragraphs, and estimated reading time instantly.
Password Generator
Create strong random passwords with customizable length and character options.
Color Palette Generator
Generate beautiful color palettes. Lock favorites, export as HEX, CSS, or image.
JSON Formatter & Validator
Format, minify, and validate JSON instantly. Configurable indentation and error messages.
Base64 Encoder / Decoder
Encode or decode Base64 strings and files. Supports UTF-8 text and drag & drop files.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words. Customizable count and style.
Unit Converter
Convert length, weight, temperature, data, speed, time, and area units instantly.
Markdown Previewer
Write Markdown and see a live rendered preview. Supports tables, code blocks, and more.
Image Filters & Effects
Apply photo filters and effects. Adjust brightness, contrast, saturation, and more with live preview.
Audio Trimmer & Cutter
Trim audio files with a visual waveform editor. Supports MP3, WAV, OGG, M4A. Export as WAV.
Video Trimmer & Cutter
Trim video files by setting start and end times. Fast stream-copy or precise re-encode mode.
Video to GIF
Convert video clips to high-quality animated GIFs. Adjust FPS, width, and duration.
Video Compressor
Reduce video file size with quality presets or custom CRF settings. Output as MP4.
Video Resizer
Change video dimensions with preset resolutions or custom width and height.
Video Format Converter
Convert videos between MP4, WebM, AVI, and MKV formats entirely in your browser.
Video to Audio Extractor
Extract audio tracks from video files. Export as MP3, WAV, AAC, or OGG.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Regex Tester
Test regular expressions with real-time match highlighting and capture group details.
Percentage Calculator
Calculate percentages, percentage change, increase, and decrease instantly.
CSS Gradient Generator
Create beautiful linear and radial CSS gradients visually with multiple color stops.
URL Encoder / Decoder
Encode or decode URLs and URI components. Supports encodeURI and encodeURIComponent.
Tip Calculator
Calculate tips and split bills easily. Preset percentages, custom tip, per-person amounts.
Timestamp Converter
Convert Unix timestamps to human dates and back. Live epoch clock, auto-detect seconds vs milliseconds.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files.
Color Converter
Convert between HEX, RGB, and HSL color formats instantly. Visual color picker included.
Pomodoro Timer
Stay focused with a visual Pomodoro timer. Work sessions, breaks, session tracking, and alarm sounds.
Text Diff Checker
Compare two texts side-by-side or inline. Highlights additions, deletions, and unchanged lines.
HTML Entity Encoder
Encode and decode HTML entities. Named, decimal, and hex entity support with reference table.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports arbitrary precision.
Aspect Ratio Calculator
Calculate and convert aspect ratios. Presets for 16:9, 4:3, 1:1, and more. Visual preview.
URL Slug Generator
Turn any text into a clean, URL-friendly slug. Handles accents, special characters, and more.
Character Counter
Count characters with and without spaces, words, and lines. Real-time stats as you type.
JSON to CSV Converter
Convert JSON arrays to CSV format. Customizable delimiter, download as .csv file.
CSS Minifier
Minify CSS by removing comments, whitespace, and unnecessary characters.
JavaScript Minifier
Minify JavaScript by removing comments and whitespace to reduce file size.
HTML Minifier
Minify HTML by removing comments, whitespace, and optional attributes.
Meta Tag Generator
Generate SEO-optimized meta tags, Open Graph and Twitter Card tags for your website.
Open Graph Preview
Preview how your link appears on Facebook, Twitter and LinkedIn. Generate OG tags.
Markdown to HTML
Convert Markdown syntax to clean HTML code with live preview of the rendered output.
JWT Decoder
Decode and inspect JSON Web Token headers, payloads, claims and expiration status.
Cron Expression Generator
Build cron job schedules visually with presets, human-readable descriptions and next run times.
Image to Base64
Convert images to Base64-encoded strings or data URIs. Drag and drop supported.
SQL Formatter
Format and beautify SQL queries with customizable indentation and keyword casing.
HTML to Markdown
Convert HTML code to clean Markdown syntax. Supports headings, links, lists, tables and more.
CSV to JSON Converter
Convert CSV data to JSON arrays or objects with customizable delimiters.
Text to Speech
Listen to any text with adjustable voice, speed and pitch using browser speech synthesis.
Favicon Generator
Upload any image and generate all standard favicon sizes (16x16 to 512x512) as PNG.
SVG Optimizer
Optimize and minify SVG files by removing comments, metadata and unnecessary whitespace.
Random Number Generator
Generate cryptographically random numbers in any range. Unique, sorted, batch generation.
Morse Code Translator
Translate text to Morse code and back with audio playback. Supports letters, numbers and punctuation.
Roman Numeral Converter
Convert between numbers and Roman numerals instantly. Bidirectional conversion up to 3,999.
Invoice Generator
Create professional invoices and print or save as PDF. Fill in details, add items, set tax rates.
BMI Calculator
Calculate your Body Mass Index with metric or imperial units. See your category instantly.
Countdown Timer
Set a target date and watch a live countdown in days, hours, minutes and seconds.
PX to REM Converter
Convert pixels to rem and back with a configurable base font size. Includes reference table.
Emoji Picker
Search and browse emojis by category. Click to copy any emoji to your clipboard.
Text Repeater
Repeat any text multiple times with a custom separator. Great for test data and fill content.
JSON Compare
Compare two JSON objects side by side and see added, removed, and changed values highlighted.
Line Sorter
Sort lines alphabetically, numerically, by length, remove duplicates, or shuffle.
Binary to Text
Convert binary to text and text to binary. Supports ASCII with a full reference table.
JSON to YAML
Convert between JSON and YAML formats. Ideal for Kubernetes, Docker, and CI/CD configs.
UUID Generator
Generate random UUID v4 values. Single or bulk generation with format options.
Markdown Table Generator
Build Markdown tables visually with a spreadsheet editor. Set alignment and copy the output.
Image Color Picker
Upload an image and click to extract HEX, RGB, and HSL color values instantly.
XML Formatter
Format, beautify, or minify XML with real-time validation. Supports all XML node types.
Chmod Calculator
Interactive Linux/Unix file permission calculator. Toggle checkboxes or type numeric values.
CSS Box Shadow Generator
Visual box-shadow builder with live preview. Adjust offsets, blur, spread, color, and inset.
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes from any date.
Whitespace Remover
Remove extra spaces, tabs, blank lines, and trailing whitespace. Clean messy text instantly.
Base64 Image Decoder
Decode Base64 strings to images. Preview and download as PNG, JPEG, or WebP.
JSON Schema Generator
Generate a JSON Schema from any JSON object. Supports nested objects, arrays, and all types.
Number to Words
Convert any number to its written English form. Supports decimals, negatives, and currency format.
Text Encryption
Encrypt and decrypt text with AES-256-GCM. 100% client-side — your data never leaves your browser.
Border Radius Generator
Visually design CSS border-radius with individual corner controls. Live preview and instant CSS copy.
Robots.txt Generator
Build a robots.txt file with user-agent rules, allow/disallow paths, sitemaps, and crawl delays.
Text Shadow Generator
Create CSS text-shadow effects visually. Multi-layer support, presets, and instant CSS copy.
IP Subnet Calculator
Calculate network address, broadcast, host range, CIDR notation, and subnet masks for any IPv4 address.
Typing Speed Test
Test your typing speed and accuracy. Measures WPM, tracks errors, with configurable durations.
HTML Table Generator
Build HTML tables visually with a spreadsheet editor. Customize styles, export clean HTML code.
Color Contrast Checker
Check WCAG 2.1 color contrast ratios for accessibility. Test AA and AAA standards instantly.
JSON to TypeScript
Convert JSON objects to TypeScript interfaces. Handles nested objects, arrays, and union types.
WiFi QR Code Generator
Create QR codes for WiFi network sharing. Scan to connect instantly.
QR Code Reader
Decode QR codes from images. Upload, drop, or paste an image to read QR data.
Password Strength Analyzer
Analyze password strength with entropy calculation, crack time estimation, and tips.
Barcode Generator
Generate barcodes in Code 128, EAN-13, UPC-A, Code 39, and more formats.
Stopwatch
Precision stopwatch with lap times, best/worst highlighting, and keyboard shortcuts.
Color Shades Generator
Generate tints and shades from any color. Copy individual swatches or CSS variables.
YAML Formatter
Format, validate, and convert YAML. Minify or convert to JSON with one click.
CSS Loader Generator
Generate pure CSS loading spinners and animations. 8 styles with custom colors and speed.
Glassmorphism Generator
Create frosted glass CSS effects with live preview. Customize blur, transparency, and border.
CSS Clip Path Generator
Create clip-path shapes visually. Drag points, choose presets, copy CSS code.
Clip Path Shapes
Pick from polygon, circle, ellipse & inset presets. Adjust sliders and copy CSS clip-path code.
Cubic Bezier Generator
Generate CSS cubic-bezier() easing functions visually. Drag control points and preview.
CSS Triangle Generator
Generate pure CSS triangles with custom direction, size, and color using the border trick.
Code to Image
Turn code snippets into beautiful shareable images with syntax highlighting and themes.
ASCII Art Generator
Convert text to large ASCII art characters. Multiple font styles for banners and headers.
URL Parser & Decoder
Parse URLs into components — protocol, host, port, path, query parameters, and fragment.
Color Mixer
Mix two or more colors together with adjustable weights. Get HEX, RGB, and HSL values.
SVG to PNG Converter
Convert SVG files to PNG images. Customize output size and background.
JSON to XML Converter
Convert JSON data to well-formatted XML. Custom root tag, indent, and encoding.
CSS Pattern Generator
Generate repeating CSS background patterns — stripes, dots, checkerboard, and more.
Text to Handwriting
Convert typed text to realistic handwriting on lined paper. Download as PNG.
Cron Expression Explainer
Paste a cron expression and get a plain English explanation with next run times.
DNS Lookup
Query A, AAAA, CNAME, MX, TXT, NS, and SOA records for any domain.
Color Blindness Simulator
See how images and colors look to people with protanopia, deuteranopia, and other color vision deficiencies.
JSON Path Finder
Paste JSON and click any value to get its path in dot and bracket notation.
Pixel Art Editor
Draw pixel art with customizable grids, color palettes, and export as PNG.
Regex Pattern Library
60+ ready-to-use regex patterns. Search, copy, and test inline.
Markdown Slides
Turn Markdown into a slideshow. Separate slides with --- and present.
ASCII Table
All 128 ASCII characters with dec, hex, octal & binary codes.
HTTP Status Codes
Searchable reference of 60+ HTTP status codes with explanations.
CSS Units Converter
Convert between px, rem, em, vw, vh, pt, cm, mm, in, and %.
CSS Flexbox Generator
Visual flexbox layout builder with live preview and CSS code export.
JavaScript Keycode Finder
Press any key to see event.key, keyCode, code, which, and modifiers.
CSS Grid Generator
Build CSS Grid layouts visually. Set columns, rows, gap & alignment, copy the CSS code.
CSS Animation Generator
Build @keyframes animations visually. Pick presets like bounce, spin, fade & copy CSS.
JSON Escape / Unescape
Escape special characters for safe JSON embedding or unescape escaped strings.
Image Watermark
Add text watermarks to images. Customise font, color, opacity, position & rotation.
JWT Generator
Create JSON Web Tokens with custom header, payload & HMAC-SHA256 signing.
HTML Preview
Live HTML, CSS & JavaScript code playground with instant preview in the browser.
Text Gradient Generator
Create stunning CSS gradient text effects with live preview and copy-paste code.
Placeholder Image
Generate placeholder images with custom size, colours and text. Download as PNG.
JSON Tree Viewer
Visualise JSON as an interactive collapsible tree with colour-coded values.
Gradient Border Generator
Create CSS gradient borders with adjustable colours, width, radius & angle.
Color Name Finder
Enter any hex colour and find the closest named CSS colour with distance score.
Letter Frequency Counter
Analyse character frequency in any text with a visual bar chart breakdown.
CSS Multi-Column Generator
Generate CSS multi-column layouts with live preview, gap, and rule options.
Unix Timestamp Generator
Pick a date & time and get Unix seconds, milliseconds, ISO 8601 & UTC output.
String Hash Visualiser
Hash any string with MD5, SHA-1, SHA-256 & SHA-512 and see colour-block visuals.
CSS Filter Generator
Adjust brightness, contrast, blur, saturate, hue-rotate & more with live preview.
Glitch Text Generator
Create Zalgo and glitch text effects with adjustable intensity. Copy & paste anywhere.
Byte Counter
Count the byte size of text in UTF-8, UTF-16 and ASCII. Compare encoding sizes.
Line Number Adder
Add or remove line numbers from text, code, or logs with custom formatting.
Emoji Unicode Converter
Convert emoji to Unicode code points (U+XXXX) and code points back to emoji.
Text Diff & Merge
Compare two texts side by side and see additions, deletions, and unchanged lines highlighted.
JSON Path Extractor
Query and extract values from JSON data using JSONPath expressions: $.key, [*], ..key and more.
CSS Text Stroke Generator
Generate -webkit-text-stroke CSS with a live preview. Customise width, colour, fill, and hollow mode.
Duration Calculator
Add and subtract time durations (hours, minutes, seconds) and get a running total instantly.
Base64 File Encoder
Drag & drop any file to get its Base64-encoded data URL. Works entirely in your browser.
Bitwise Calculator
Perform AND, OR, XOR, NOT, and shift operations on integers. View results in decimal, hex, and binary.
Text Truncator
Truncate text to a character or word limit with a custom suffix and word-boundary respect.
CSS Box Model Visualizer
Interactive box model: adjust margin, border, padding, and content dimensions with live preview.
Number Formatter
Format numbers with commas, spaces, K/M/B abbreviations, Indian notation, and currency prefixes.
URL Builder
Construct URLs interactively with scheme, host, path, query parameters, and hash fragment.
Dyslexia Formatter
Apply research-backed fonts, spacing, and color overlays to make text easier to read for dyslexic readers.
Readability Scorer
Score text with Flesch-Kincaid, Gunning Fog, Coleman-Liau, SMOG, and ARI formulas instantly.
Large Print Generator
Format text in large, accessible print with customizable fonts, sizes, and high-contrast options.
Color Blindness Simulator
Preview how your colors look under protanopia, deuteranopia, tritanopia, and achromatopsia.
Screen Reader Preview
See how screen readers linearize and announce your HTML — find missing alt text, label issues, and heading skips.
Visual Schedule Builder
Build clear visual daily schedules with icons, time labels, and color coding for structured routines.
Picture Communication Board
Create AAC-style boards with emoji symbols that speak when tapped — for non-verbal communication support.
Memory Card Game
Customizable card-matching memory game with emoji themes for cognitive exercise and brain training.
Breathing Exercise Guide
Guided breathing exercises with animated visuals — 4-7-8, box breathing, and more for relaxation and focus.
Flashlight & Night Light
Use your phone's real flash LED or screen as a light. Set timers, pick colors, SOS mode — no app needed.
WCAG Heading Checker
Paste HTML to validate heading hierarchy against WCAG 2.2 — detects skipped levels, missing h1, and more.
Accessible Color Palette
Build color palettes and instantly check every combination for WCAG AA and AAA contrast compliance.
Accessibility Resources
Curated directory of accessibility guidelines, testing tools, screen readers, and learning materials.
Online Notepad
Write and save text in your browser. Auto-saves locally, export as .txt file.
Compound Interest Calculator
Calculate compound interest with growth chart and year-by-year breakdown table.
Email Signature Generator
Create a professional HTML email signature. Copy and paste into Gmail or Outlook.
Loan Calculator
Calculate monthly payments, total interest, and see a full amortization schedule.
Date Calculator
Find days between dates, add or subtract days, and get day-of-week info.
Browse by Category
Image Tools
Compress, resize, crop, convert, and edit images.
Text Tools
Count, convert, compare, encrypt, and manipulate text.
CSS Generators
Visual CSS generators with live preview and copy-paste code.
Developer Tools
JSON, regex, hash, encoding, and formatting utilities.
Converter Tools
Convert between data formats, units, numbers, and encodings.
Color Tools
Convert, generate, contrast-check, simulate, and mix colors.
Calculators & Utilities
BMI, tip, percentage, timers, generators, and more.
Accessibility & Assistive
Dyslexia formatting, readability scoring, color blindness testing, and more.
Why Use Absolutool?
Absolutool is a collection of 170+ free online tools built for everyday tasks. Whether you need to compress an image, generate a QR code, format SQL, decode a JWT, translate Morse code, or create a strong password, every tool works instantly in your browser with zero setup.
Unlike most online tool sites, we never upload your files to a server. All processing happens locally on your device using modern browser APIs. That means your images, text, passwords, and data stay completely private. There is nothing to sign up for, no email required, and no limits on usage.
Tools for Developers, Designers & Creators
Our tools are designed for a wide range of users. Web developers use the JSON Formatter to debug API responses, the SQL Formatter for clean queries, the JWT Decoder for token inspection, the Base64 Encoder for embedding assets, and the Markdown Previewer for documentation. Graphic designers rely on the Color Palette Generator, Image Compressor, SVG Optimizer, and Favicon Generator. Writers and students use the Word Counter, Character Counter, Text to Speech, and Lorem Ipsum Generator. Small business owners create QR codes and meta tags for their websites.
100% Free, No Ads That Get in Your Way
Absolutool is supported by non-intrusive display ads. We will never show pop-ups, interstitials, or force you to wait before downloading a result. Every tool loads fast, works on mobile and desktop, and gives you results in seconds.
Frequently Asked Questions
Are these tools really free?
Yes, 100% free with no usage limits. We are supported by display advertising, so you never need to pay or create an account.
Is my data safe?
Absolutely. Every tool runs entirely in your browser. Your files, text, and inputs are never uploaded to any server. Close the tab and everything is gone.
Do I need to install anything?
No. Absolutool works in any modern browser — Chrome, Firefox, Safari, Edge — on desktop or mobile. No extensions or downloads needed.
What image formats are supported?
Our image tools support JPEG, PNG, and WebP. You can compress, resize, crop, and convert between these formats directly in your browser.
Can I use these tools on my phone?
Yes. Every tool is fully responsive and works great on phones and tablets. You can even drag and drop files on supported mobile browsers.