Local processing
The tool runs in the browser, so ordinary text stays on your device while you work.
Format messy JSON into readable indentation, or compress it into a compact string.
Paste JSON to format, minify, or validate it. The tool is useful for API responses, config files, and copied data snippets.
The tool runs in the browser, so ordinary text stays on your device while you work.
Generate or transform the result, then copy it directly for use in code, docs, forms, or test data.
No. The calculation runs in your browser. ToolsLab does not upload the text you enter into this tool.
Yes. The page is designed for quick edits on mobile and desktop browsers.