Developer & Web Tools
Essential tools for web developers and programmers
Base64 Encoder / Decoder
Encode or decode Base64 strings and files
CHMOD Calculator
Calculate octal and symbolic file permissions
Code Minifier & Beautifier
Minify or prettify HTML, CSS, and JS code
Cron Job Generator
Build and parse cron expressions quickly
User-Agent Checker
Inspect your browser's user agent and client info
JSON Formatter & Validator
Pretty-print and validate JSON data
JWT Debugger
Decode, inspect, and verify JWT tokens
Regex Tester
Test and debug regular expressions
Unix Timestamp Converter
Convert between Unix time and date-time
URL Encoder / Decoder
Percent-encode or decode URL strings
Color Palette Generator
Generate beautiful color palettes and extract colors from images
DNS Lookup Tool
Perform comprehensive DNS lookups and analyze domain information
Hash Generator & Verifier
Generate and verify MD5, SHA-1, SHA-256, SHA-512, and HMAC hashes
Markdown Editor & Preview
Live markdown editor with real-time preview and syntax highlighting
Text Diff Checker
Compare text differences side-by-side with highlighting
API Request Builder
Test and debug API endpoints directly
About Developer & Web Tools
Essential tools for web developers and programmers. All tools run locally in your browser for maximum privacy and speed.
Privacy First
All processing happens in your browser - your data never leaves your device.
Lightning Fast
Instant processing with no server delays or file upload times.
Completely Free
No registration, no limits, no hidden fees - just powerful tools.