Regular Expression Tester

CSV and JSON Converter

Convert CSV rows to JSON and JSON arrays to CSV.

JSON Formatter and Validator

Check JSON syntax, format code and sort object keys.

URL Encoder and Decoder

Encode and decode URL components, entire URLs and query values.

HTML Formatter

Indent HTML markup while preserving inline content.

XML Formatter and Validator

Check XML syntax and format a well-formed document.

CSV Structure Validator

Check CSV column consistency, headers and quoted fields.