Always the right tool for the job.
Free online tools for developers and everyday use. No ads, no tracking, no signup. Everything runs in your browser.
JSON Formatter
Format, validate, and minify JSON data online
Base64 Encoder
Encode and decode Base64 strings and files
URL Encoder
URL encode and decode special characters
Timestamp Converter
Convert Unix timestamps to human-readable dates
QR Code Generator
Generate QR codes from text or URLs, download as PNG
Hash Generator
Generate SHA-1, SHA-256, SHA-512 hashes
UUID Generator
Generate random UUID v4 identifiers
Image Compressor
Compress JPEG, PNG, WebP images in browser
Regex Tester
Test regular expressions with match highlighting
Color Converter
Convert HEX, RGB, HSL color formats
Word Counter
Count words, characters, sentences & Chinese chars
HTML Entity Encoder
Encode/decode HTML entities like < >
Unicode Converter
Convert text to Unicode escapes and back
Morse Code
Convert text to Morse code and play audio
Coming Soon
🇨🇳 Pinyin Converter
📅 Lunar Calendar
🆔 ID Card Validator
💴 RMB Upper Converter