Developer Tools
JSON formatter, Base64 encoder, regex tester, QR code generator and more.
UUID Generator
Generate UUID v4, v1-style, nil UUIDs and short IDs in bulk.
JWT Decoder
Decode and inspect JWT tokens — header, payload, expiry and claims.
CSS Gradient Generator
Create beautiful linear, radial, and conic CSS gradients visually.
Box Shadow Generator
Generate CSS box-shadow code visually with live preview and presets.
Password Strength Checker
Check how strong your password is with detailed analysis and tips.
JSON Formatter
Format, validate, minify and beautify JSON data online instantly.
Base64 Encode & Decode
Encode text or files to Base64 and decode Base64 strings back to text.
URL Encode & Decode
Encode and decode URL components and query strings instantly.
QR Code Generator
Generate QR codes for URLs, text, email, phone numbers and WiFi credentials.
Color Picker
Pick colors and convert between HEX, RGB, HSL, and HSV color formats.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 cryptographic hashes from text or files.
Regex Tester
Test and debug regular expressions with real-time match highlighting.
HTML to Markdown
Convert HTML code to clean Markdown syntax instantly.
Internet Speed Test
Test your internet download speed and ping directly in your browser.
HTML CSS JS Editor
Live HTML, CSS & JavaScript editor with instant preview — like CodePen.
Password Generator
Generate strong, secure random passwords with one click.
CSV to JSON
Convert CSV to JSON and JSON to CSV — fast bidirectional converter.
Markdown to HTML
Convert Markdown to HTML with live preview — split-screen editor.