Powerful, browser-based tools. Compress images, generate QR codes, format JSON, convert files, and more — all free, all instant.
Search or browse 73+ free tools below.
Compress JPEG, PNG & WebP images without visible quality loss.
Use Tool →Resize images to exact dimensions while preserving aspect ratio.
Use Tool →Convert images between PNG, JPEG, WebP, GIF and more formats.
Use Tool →Remove image backgrounds automatically — one click, instant result.
Use Tool →Add text or image watermarks to protect your photos.
Use Tool →Convert PNG to JPG with a custom background color for transparency.
Use Tool →Pick colors and get HEX, RGB, HSL, and CSS values instantly.
Use Tool →Convert between HEX, RGB, HSL, HSV, CMYK and CSS color formats.
Use Tool →Create CSS gradients visually with live preview and code output.
Use Tool →Format, validate, and prettify JSON with syntax highlighting.
Use Tool →Validate JSON syntax with detailed error messages and structure stats.
Use Tool →Convert JSON arrays to CSV spreadsheet format for Excel.
Use Tool →Convert CSV or TSV data to clean, structured JSON format.
Use Tool →Convert JSON objects to well-formed XML with configurable options.
Use Tool →Convert XML to JSON with support for attributes and CDATA sections.
Use Tool →Format, beautify, or minify XML with validation support.
Use Tool →Encode text or files to Base64 — ideal for data URIs and APIs.
Use Tool →Decode Base64 strings back to text, binary, or image previews.
Use Tool →Encode URLs and query strings for safe HTTP transmission.
Use Tool →Decode percent-encoded URLs back to readable text.
Use Tool →Parse and break down URLs into protocol, host, path, and query params.
Use Tool →Escape HTML special characters to entities and unescape them back.
Use Tool →Decode HTML entities back to readable characters with live preview.
Use Tool →Beautify and indent messy HTML code for readability.
Use Tool →Minify HTML to reduce file size by removing whitespace and comments.
Use Tool →Live preview HTML with CSS & JS in a sandboxed split-pane editor.
Use Tool →Convert HTML to clean Markdown with table and code block support.
Use Tool →Preview Markdown files with live rendering and syntax highlighting.
Use Tool →Convert Markdown to HTML with GFM support and code highlighting.
Use Tool →Beautify and format minified CSS code with configurable indentation.
Use Tool →Minify CSS to reduce file size — removes comments and whitespace.
Use Tool →Beautify and format minified JavaScript code for readability.
Use Tool →Minify JavaScript to reduce file size for faster page loads.
Use Tool →Format JavaScript, CSS or HTML code with configurable indent style.
Use Tool →Test regular expressions with live match highlighting and flags.
Use Tool →Generate UUID v1, v4, or v5 identifiers — single or bulk.
Use Tool →Validate UUIDs, detect version, decode v1 timestamps, and reformat.
Use Tool →Validate IPv4, IPv6, and CIDR addresses with detailed network info.
Use Tool →Validate email addresses with RFC check, disposable domain detection.
Use Tool →Generate robots.txt files for SEO control of search engine crawlers.
Use Tool →Generate SEO meta tags, Open Graph, and Twitter Card tags with preview.
Use Tool →Convert numbers between binary, octal, decimal, and hexadecimal bases.
Use Tool →Count words, characters, sentences, and estimate reading time.
Use Tool →Count characters with platform limit bars for Twitter, SMS, and more.
Use Tool →Count lines, words, and characters with live line numbers and stats.
Use Tool →Compare two texts side-by-side and highlight every difference.
Use Tool →Sort lines A→Z, Z→A, numerically, by length, or shuffle randomly.
Use Tool →Reverse characters, words, or lines. Includes Morse code & ROT13.
Use Tool →Convert text to UPPER, lower, Title, camelCase, snake_case, kebab-case.
Use Tool →Remove duplicate lines from text with case control and stats.
Use Tool →Generate clean SEO-friendly URL slugs from any title or phrase.
Use Tool →Generate Lorem Ipsum in 5 themes: classic, hipster, tech, and more.
Use Tool →Generate strong, secure passwords with custom character rules.
Use Tool →Cryptographically secure password generator with entropy display.
Use Tool →Check password strength, crack time estimate, and entropy score.
Use Tool →Bulk generate password lists in random, word, PIN, or hex format.
Use Tool →Generate QR codes for URLs, text, Wi-Fi, contact cards, and more.
Use Tool →Convert length, weight, temperature, volume, speed and more units.
Use Tool →Calculate percentages, percentage of, increase, decrease and change.
Use Tool →Calculate exact age in years, months, days. Zodiac sign + birthday bar.
Use Tool →Calculate the exact difference between two dates in days, weeks, months.
Use Tool →Convert Unix timestamps to dates and back. ISO 8601, RFC 2822, relative.
Use Tool →Convert times between world timezones with a live world time display.
Use Tool →Generate random numbers with ranges, seeds, and custom distributions.
Use Tool →Generate random strings, tokens, and keys with custom character sets.
Use Tool →Focus timer with Pomodoro technique — 25/5 min work/break cycles.
Use Tool →Track daily habits with streaks, progress bars, and completion stats.
Use Tool →Track income and expenses with category breakdown and balance summary.
Use Tool →Extract and download YouTube thumbnails in all quality sizes.
Use Tool →Convert video clips to animated GIF or WebP animations in browser.
Use Tool →Trim and reformat videos for YouTube Shorts, Instagram Reels, and TikTok.
Use Tool →Convert text to natural-sounding speech in 50+ voices and 30 languages.
Use Tool →Visualise any GitHub repo as an interactive 3D mind map. Click nodes to view code, functions and project flow.
Use Tool →Try a different search term, or
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Browse 73+ free tools across images, utilities, developer tools and creator tools.
Everything runs in your browser. No uploads to servers. Your files stay private.
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Enter a GitHub repo and see its entire file structure as a live 3D mind map.
Enter any public GitHub repository and explore its structure, files, functions, and dependencies as a live interactive 3D graph.