Directory
Tools
Search or filter by category. Every listed tool is live and runs in this browser.
27 tools
Base64 Encoder
Encode and decode Base64 in the browser.
Encoding
Color Converter
Convert HEX, RGB, HSL, and HSV.
Web
Cron Expression Generator
Build and explain cron expressions.
Time
Hash Generator
SHA hashes via the Web Crypto API.
Security
Image Compressor
Compress images locally in the browser.
Images
JavaScript Formatter
Format or minify JavaScript.
Formatting
JSON Formatter
Pretty print and tidy JSON in your browser.
JSON
JSON Minifier
Remove whitespace and shrink JSON payloads.
JSON
JSON to CSV
Turn JSON arrays into CSV for spreadsheets.
JSON
JSON Validator
Check JSON syntax and inspect document structure.
JSON
JWT Decoder
Inspect JWT headers and payloads locally.
Security
Markdown Previewer
Preview Markdown as you type.
Web
Password Generator
Generate passwords with crypto.getRandomValues().
Security
QR Code Generator
Generate QR codes from text or URLs.
Web
Regex Tester
Test regular expressions against sample text.
Testing
SQL Formatter
Pretty print SQL queries.
Formatting
Text Diff Checker
Compare two texts and highlight differences.
Testing
Unix Timestamp Converter
Convert Unix time to dates and back.
Time
URL Encoder
Encode and decode URL components.
Encoding
UUID Generator
Generate RFC UUID values in the browser.
Generators
Word Counter
Count words, characters, and sentences.
Text
Character Counter
Count characters with and without spaces.
Text
CSS Formatter
Format CSS stylesheets.
Formatting
HTML Entity Encoder
Encode and decode HTML entities.
Encoding
HTML Formatter
Format HTML markup.
Formatting
Image Resizer
Resize images without uploading them.
Images
Lorem Ipsum Generator
Generate placeholder paragraphs.
Text