Developer Tools
Essential developer utilities including JSON formatting, Base64 encoding/decoding, URL encoding, color picking, and hash generation. Everything runs client-side for speed and privacy.
All Developer Tools
JSON Formatter
Format, validate, and minify JSON data
Base64 Encoder/Decoder
Encode and decode Base64 strings
URL Encoder/Decoder
Encode and decode URLs for web development
Color Picker
Pick colors and get hex, RGB, and HSL values
JWT Debugger & Decoder
Decode, validate, and inspect JSON Web Tokens client-side
UUID / GUID Generator
Generate secure random UUID v4 and time-based UUID v1 values in bulk
Regex Tester & Visualizer
Test regular expressions with real-time match highlighting and capturing groups
Text Diff Checker
Compare two text files side-by-side or inline to find differences
XML Formatter
Pretty-print or minify XML code blocks
JSON Schema Generator
Build validation schemas from sample JSON files
Cron Expression Builder
Visually generate standard Unix crontab schedules
Markdown to HTML Converter
Compile markdown syntax into standard raw HTML code
HTML to Markdown Converter
Translate plain HTML tags back to Markdown syntax
HMAC SHA-256 Signature Builder
Compute secure HMAC hash signatures locally
Bcrypt Hash Generator & Verifier
Simulate secure Bcrypt password hashing locally
File to Base64 Converter
Encode any local document or media into Base64 URI
URL Parser & Component Splitter
Extract query values and domain components from URLs
JSON to TypeScript Interface Builder
Generate typed interface models from sample JSON trees
Lorem Ipsum Markdown Generator
Generate placeholder files with Markdown headings/lists
.htaccess Redirect Rule Generator
Visually build Apache server configuration scripts
Git Command Scenario Guide
Locate command snippets for standard Git branches and commits
JWT Mock Token Generator
Assemble and sign HS256 tokens for developer testing
Decimal to IPv4 Converter
Convert dot-notation IPv4 to decimal integers and back
HTTP Raw Request Header Inspector
Parse request header keys and values into visual tables
SQL Schema DDL Builder
Convert column formats into CREATE TABLE query scripts
JSON Compressor & Minifier
Strip spacing and compress JSON payloads onto one line
Password Generator
Generate secure passwords with custom options
Hash Generator
Generate SHA-1 and SHA-256 hashes
Browser & System Info
Inspect browser user-agent, operating system, and hardware info
Markdown Previewer
Write and preview Markdown formatting in real-time
JSON to CSV / XML Converter
Convert JSON arrays into flat CSV sheets or XML tags
XML to JSON Converter
Convert XML data into structured JSON objects
HTML Entity Encoder/Decoder
Encode special characters to HTML entities and decode them back
SQL Formatter
Format, beautify, and clean up raw SQL query strings
Screen Resolution Checker
Check CSS viewport size, DPR, and physical screen resolution
User Agent Parser
Parse and inspect browser user-agent details
Color Contrast Checker
Test text and background colors for WCAG compliance
URL Slug Generator
Convert string titles into URL-friendly slugs
Random Credit Card Generator
Generate fake Luhn-valid credit card numbers for testing and development