JSON Formatter & Validator
Paste JSON to format, validate, minify, or beautify. Errors shown with line numbers.
Regex Tester
Test regular expressions with live match highlighting and group extraction.
Color Converter & Picker
Convert between HEX, RGB, HSL, and CMYK. Generate complementary, analogous, and triadic palettes.
Base64 Encoder / Decoder
Encode text or files to Base64, or decode Base64 strings back to text.
URL Encoder / Decoder
Encode/decode URLs and parse query strings into key-value pairs.
Query String Builder
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of any text input.
Click any hash to copy it.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
CSS Gradient Generator
Build linear or radial gradients visually with live preview and copyable CSS.
135°
0%
100%
Box Shadow Generator
Build CSS box shadows visually with sliders and live preview.