Format & Convert

JSON to CSV Converter

Convert a JSON array of objects to CSV and back, in your browser. Flattens nested keys and escapes fields per RFC 4180.

JSON to YAML Converter

Convert JSON to YAML and YAML to JSON in your browser. Nothing you paste is sent anywhere. Handles nested maps, sequences and quoting.

Markdown Preview

Live Markdown preview that renders a GitHub-Flavored subset to clean HTML in your browser. Copy or download the HTML; nothing you type is ever sent anywhere.

SQL Formatter & Beautifier

Beautify and indent SQL queries in your browser. Uppercase keywords, break clauses onto new lines, and indent subqueries. Nothing you paste is sent anywhere.

XML Formatter & Validator

Pretty-print, minify and validate XML in your browser. Well-formedness is checked locally and nothing you paste is ever uploaded.

JSON Formatter & Validator

Pretty-print, minify and validate JSON in your browser. Nothing you paste is sent anywhere.