Online Developer Tools
The small helpers for everyday development: format, encode, compare and test. Since nothing is sent to a server, you can safely paste API keys and tokens.
All tools in this category
ASCII / HEX Converter
Convert text to hexadecimal and back.
Base64 Encoder / Decoder
Encode and decode text or data to Base64.
BIN HEX DEC OCT Converter
Convert numbers between binary, hexadecimal, decimal, and octal, and toggle individual bits.
CSS Formatter / Beautifier
Format CSS code for better readability or minify it for production.
Font Glyph Inspector
Inspect font files (TTF, WOFF, WOFF2) to view contained characters (glyphs), unicode ranges, and metadata.
HTML Encoder / Decoder
Convert special characters to HTML entities and back. Important for web development and security.
JSON Formatter / Minifier
Format or minify JSON data.
Regex Tester
Test your regular expressions (Regex) in real-time. Supports match highlighting.
Syntax Highlighter
Auto-detect and highlight code syntax. Export as SVG or Word.
URL Encoder / Decoder
Safely encode and decode URL parameters.
URL Parser
Parse URLs into their components: Protocol, Host, Path, Query Parameters, and more.
WiFi QR Code Generator
Create QR codes to easily connect guests to your WiFi network.