13 tools

Code & JSON Tools

Format, validate, minify and convert data: JSON formatter and viewer, CSV/TSV/XML ⇄ JSON, HTML ⇄ Markdown, Base64 and URL encoding.

All code & json tools

JSON FormatterValidate, pretty-print, minify and sort keys.
HTML ⇄ MarkdownConvert both ways with a rendered preview.
Base64 / URL EncodeEncode and decode Base64, URL components and HTML entities.
JSON Viewer & EditorExplore JSON as a collapsible tree, edit values inline and copy paths.
JSON ValidatorCheck JSON and pinpoint errors by line and column.
JSON MinifyStrip all whitespace from JSON.
CSV to JSONConvert CSV rows into a JSON array.
TSV to JSONConvert tab-separated rows (e.g. pasted from a spreadsheet) into JSON.
XML to JSONConvert XML into JSON; attributes become @keys.
JSON to XMLConvert JSON into well-formed XML.
JSON to CSVConvert a JSON array of objects into CSV.
JSON to TSVConvert JSON into tab-separated values for spreadsheets.
JSON to TextTurn JSON into readable indented plain text.

Yes — all 13 code & json tools on Toolbench are free, with no sign-up and no usage limits.

No. They run in your browser. Nothing is saved unless you sign in, and then only to your own private account.