Fast, Private, In-Browser Developer Utilities
Speed up your workflow with JSON formatters, JWT decoders, regex testers, and code minifiers. All operations run securely in your browser for maximum privacy and zero server round-trips.
- JSON tools: formatter, validator, converter, and viewer
- Security helpers: JWT decoder and header/payload inspector
- Code utilities: CSS/JS/HTML formatting and minification
- Regex tester with live matches and helpful examples
{ } JSON Tools
JSON formatting, validation, and conversion tools
JSON to YAML Converter
Convert JSON data to YAML format instantly
YAML to JSON Converter
Convert YAML data to JSON format instantly
JSON to TOML Converter
Convert JSON data to TOML format
JSON Formatter
Format and prettify JSON with syntax highlighting
JSON Minifier
Minify JSON by removing whitespace and formatting
JSON Validator
Validate JSON syntax and structure
CSV to JSON Converter
Convert CSV data to JSON format
JSON Diff Checker
Compare two JSON objects and find differences
🔐 JWT & Security
JWT decoding, hashing, and security utilities
JWT Decoder
Decode and inspect JWT tokens offline
JWT Expiry Checker
Check JWT token expiration time
Base64 Encode/Decode
Encode and decode Base64 strings
SHA256 Hash Generator
Generate SHA256 hash from text
MD5 Hash Generator
Generate MD5 hash from text
Password Strength Checker
Check password strength and security
Random String Generator
Generate random strings for passwords and tokens
.* Regex Tools
Regular expression testing, generation, and utilities
Regex Tester
Test regular expressions with live matching
Regex Cheatsheet
Quick reference for regular expression syntax
Regex Generator
Generate regex patterns for common use cases
Regex Replace Tool
Find and replace text using regular expressions
Regex Visualizer
Visualize regex patterns with diagrams
Regex for HTML Tags
Extract or remove HTML tags using regex
Regex for Numbers
Extract numbers and numeric patterns
</> Code Utilities
HTML, CSS, and JavaScript minifiers and formatters
HTML Minifier
Minify HTML by removing whitespace
CSS Minifier
Minify CSS by removing whitespace
JavaScript Minifier
Minify JavaScript code
HTML Formatter
Format and beautify HTML code
CSS Formatter
Format and beautify CSS code
JavaScript Formatter
Format and beautify JavaScript code
HTML Encoder/Decoder
Encode and decode HTML entities
CSS to Inline Style
Convert CSS to inline style attributes