About
JSON Swiss is a browser-based JSON toolkit that combines formatting, validation, repair, visual table editing, conversion, schema generation, comparison, and code generation in one workflow. The formatter runs locally in the browser and supports beautify, minify, validate, escape, and unescape modes.
The product is aimed at developers and analysts working with API responses, config files, logs, and exports. The page states that JSON stays local in the browser, and the workflow includes tools for JSON to Table, Repair, Compare, JSON Schema generation, and export to formats such as CSV, Excel, XML, YAML, Markdown, and PDF.
- Local browser-side processing
- Beautify, minify, validate, escape
- Tree and table JSON editing
- Repair for malformed payloads
- Schema generation and validation
- Conversion to CSV, Excel, XML
- Comparison and downstream export
Free Tier Value
This free tier is a fully usable browser-based JSON toolkit with formatting, validation, escaping/unescaping, key sorting, error feedback, and file/URL/sample import, so it has real day-to-day value rather than a mere teaser. Because it runs locally in the browser, appears to be free forever, and shows no paid upgrade or credit-card gate on the page, the practical value is roughly a small paid utility tier — about $2/month for the capability it replaces.
What's included in the free tier
- Local browser-based JSON formatting, validation, escaping, and unescaping.
- 2-space or 4-space indentation, plus minified output.
- Alphabetical key sorting for stable diffs.
- Immediate parse-error feedback with line-level error location.
- Copy, download, or apply formatted output back to input.
- Import JSON from a file, URL, or sample data.
See JSON Swiss pricing for current limits.