Conversion Tools
Unit converter, color converter, Base64, URL encoder, and more
Unit Converter
Convert between units of length, weight, temperature, area, volume, speed, and data storage. Upload a text file with values or use the settings panel. Pure JavaScript — no server needed.
Color Converter
Convert colors between HEX, RGB, and HSL formats instantly. Enter a color in any format and get all three representations. Runs in your browser with pure JavaScript.
Base64 Text Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to text. Supports UTF-8 characters. Upload a file or enter text directly. Runs entirely in your browser.
URL Encoder / Decoder
Encode or decode URLs and text using encodeURIComponent / decodeURIComponent. Perfect for preparing query parameters or decoding encoded URLs. Runs in your browser.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds with auto-detection. Enter a timestamp or a date string. Runs in your browser.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports custom bases from 2 to 36. Upload a file for batch conversion. Runs in your browser.
Text Case Converter
Convert text between uppercase, lowercase, title case, camelCase, PascalCase, snake_case, kebab-case, and more. Upload a file or enter text directly. Runs in your browser.