JSON & Data Tools
JSON Formatter
Format and pretty-print JSON data.
JSON Validator
Check whether JSON is valid and identify syntax errors.
JSON Minifier
Minify JSON by removing unnecessary whitespace.
JSON Escape / Unescape
Escape or unescape JSON strings safely.
JSON to CSV Converter
Convert arrays of JSON objects into CSV data.
CSV to JSON Converter
Convert CSV rows into structured JSON.
XML & YAML Tools
Encoding & Decoding
Base64 Encoder
Encode text into Base64.
Base64 Decoder
Decode Base64 data back into text.
URL Encoder
Percent-encode text for use in URLs.
URL Decoder
Decode percent-encoded URL text.
HTML Entity Encoder
Convert special characters to HTML entities.
HTML Entity Decoder
Decode HTML entities back to characters.
JWT Decoder
Decode the readable header and payload portions of a JWT.
Unicode Converter
Convert text to and from Unicode code-point notation.
Regex & Text Tools
Regex Tester
Test regular expressions against sample text.
Regex Generator
Build common regex patterns from selected requirements.
Regex Escape Tool
Escape special regex characters in literal text.
Text to Regex Generator
Create a regex pattern from a literal text phrase.
String Escape Tool
Escape strings for common programming contexts.
String Unescape Tool
Unescape common programming string sequences.
Whitespace Visualizer
Make spaces, tabs and line breaks visible.
Line Ending Converter
Convert LF, CRLF and CR line endings.
URL & Web Tools
URL Parser
Break a URL into its common components.
Query String Parser
Parse URL query parameters into readable key-value data.
Query String Generator
Build a URL query string from key-value pairs.
URL Slug Generator
Create clean URL-friendly slugs from text.
HTTP Status Code Lookup
Look up common HTTP status codes and meanings.
MIME Type Lookup
Look up common MIME types and file extensions.
Code Formatting & Utilities
HTML Formatter
Format HTML into a more readable structure.
CSS Formatter
Format CSS with readable indentation.
JavaScript Formatter
Apply lightweight formatting to JavaScript code.
SQL Formatter
Format common SQL statements for readability.
SQL Minifier
Remove unnecessary SQL whitespace and comments.
Code Line Counter
Count total, blank and non-blank code lines.
Code Comment Remover
Remove common code comments from source text.
Code Diff Checker
Compare two code/text inputs line by line.