Free Online Tools
Useful developer tools and utilities that run entirely in your browser. No sign-up, no data collection — just free tools.
🔑Generator
UUID Generator
Generate random UUIDs v4 and v7 instantly. Bulk generation with one-click copy.
📋Formatter
JSON Formatter
Format, validate, and beautify JSON data. Tree view for easy navigation.
🔒Security
Password Generator
Generate strong random passwords with customizable length and character sets.
🔐Converter
Base64 Encoder/Decoder
Encode and decode text to/from Base64 format. Instant conversion.
AaText
Text Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case, and more.
🔗Converter
URL Encoder/Decoder
Encode and decode URLs and query strings safely.
🔍Developer
Regex Tester
Test regular expressions with real-time matching, groups, and flags.
📝Text
Word Counter
Count words, characters, sentences, and paragraphs. Real-time keyword density analysis.
#️⃣Security
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes using Web Crypto API.
📱Generator
QR Code Generator
Generate custom QR codes with adjustable colors and size. Download as PNG.
🎨Design
Color Picker
Pick colors and convert between HEX, RGB, and HSL. Interactive sliders and palette info.
🎫Developer
JWT Decoder
Decode and inspect JWT tokens. View headers, payloads, and token expiration info.
🕐Converter
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates. Real-time epoch converter with GMT and ISO 8601.
📄Editor
Markdown Previewer
Write and preview Markdown in real time. Syntax support for headings, code blocks, lists, and more.
🔎Developer
Diff Checker
Compare two texts side by side. Find differences instantly with color-coded highlights.
📝Generator
Lorem Ipsum Generator
Generate placeholder text for your designs and mockups. Customize paragraphs and sentences.
📊Converter
JSON to CSV Converter
Convert JSON to CSV and vice versa. Auto-detect columns and delimiters. Free online tool.
🎨Formatter
CSS Formatter & Minifier
Beautify or compress CSS code. Custom indentation, property sorting, and minify stats.
18 Free Online Tools
All tools are free, client-side, and privacy-friendly. No data ever leaves your browser. More coming soon.