Developer Tools
JSON, Base64, JWT, hash, regex and encoding utilities for developers.
16 tools
Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text. Handles UTF-8 correctly.
URL Encode/Decode
Percent-encode and decode URLs and query parameters safely.
JWT Decoder
Decode a JSON Web Token and inspect its header, payload and signature.
JSON Formatter
Format, beautify and validate JSON with configurable indentation.
JSON Minifier
Minify JSON to remove whitespace and reduce payload size.
JSON to CSV
Convert an array of JSON objects into CSV format for spreadsheets.
Hex Converter
Convert text to hexadecimal and hex back to text.
Binary Converter
Convert text to binary and binary back to text.
HTML Encode/Decode
Convert special characters to HTML entities and back.
Regex Tester
Test regular expressions against text and see all matches instantly.
CSS Minifier
Minify CSS by removing comments and whitespace to reduce file size.
JS Minifier
Minify JavaScript by removing comments and whitespace.
User-Agent Parser
Parse a user-agent string to detect browser, OS and device type.
Double URL Encoder
Double URL-encode or decode text for special encoding scenarios.
JSON Array to Object
Convert a JSON array into an object keyed by index.
JSON to Query String
Convert a JSON object into a URL query string.