MIME Type Lookup – File Extension & Content Type Checker
Look up common MIME content types by file extension or find known extensions for a MIME type.
Developer & Coding Tools
22 toolsCoding has enough headaches as it is. These lightweight utilities let you clean up messy JSON decode strings or format code instantly right inside your browser without installing anything heavy.
HTTP Header Builder – Format Request & Response Headers
Format and normalize HTTP request or response header lines for development and debugging.
JavaScript String Escape & Unescape Tool Online
Escape or unescape common JavaScript string characters including quotes, slashes, tabs and line breaks.
SQL Formatter Online – Format & Beautify SQL Queries
Format common SQL clauses, lists and conditions into a more readable query layout online.
JSON Minifier & Beautifier – Compress or Format JSON Online
Minify valid JSON for compact output or beautify it with readable indentation when you need quick JSON transformation.
JavaScript Minifier & Beautifier – Format JS Online
Minify JavaScript whitespace or expand compact JavaScript into a more readable layout online.
HTML Minifier & Beautifier – Format HTML Online
Minify HTML markup or turn compact HTML into a more readable layout with browser-based formatting.
URL Parser – Analyze URL, Query Parameters & Path
Parse a URL into protocol, hostname, port, path, query parameters, fragment and origin.
Query String Parser & Builder – URL Parameter Tool
Parse URL query strings into readable key-value lines or build encoded query parameters from pairs.
HTML Entity Encoder & Decoder
Encode HTML special characters into entities or decode entity text back into readable characters.