Pretty-print JSON with indentation, minify it to one line, or validate the syntax — on errors the tool shows the line, position, and a snippet around the problem.
Runs in your browser — data is not sent to a serverAn array of objects to a CSV table and back, with delimiter options.
JSON ↔ YAML ConverterConfigs from JSON to YAML and back — with syntax validation.
Markdown Table GeneratorTables for README and docs from CSV/TSV — and back again.
XML Formatter and ValidatorFormat and validate XML with a clear error message.
We'll collect and tidy up website data: prices, products, contacts, reviews — in the format and at the frequency you need.