Free tools
JSON Formatter & Validator
Pretty-print or minify JSON and catch syntax errors instantly — free online JSON formatter.
JSON formatter
Paste or upload — results update instantly. No signup.
Input
Output
How this works
- Paste JSON into the input.
- Choose pretty print or minify.
- Fix any validation errors shown, then copy or download.
API payload sorted. Plan the feature work that uses it.
WorkFocus helps developers plan implementation work without losing context.
FAQ
Does this validate JSON?
Yes. Invalid JSON shows an error message instead of output until you fix it.
Is my JSON uploaded?
No. Formatting runs locally in your browser.
Bring this work into a daily plan.
WorkFocus is the daily workspace for freelance developers — today's tasks, client projects, and bugs in one place.
More Converters tools
Markdown to HTML Converter
Convert Markdown to clean HTML in your browser — copy or download for docs, emails, and static pages.
HTML to Markdown Converter
Turn HTML into Markdown for notes, docs, and migrations — paste HTML and copy clean MD.
CSV to JSON Converter
Convert CSV spreadsheets into a JSON array of objects — free, private, browser-based.
JSON to CSV Converter
Convert a JSON array of objects into CSV for spreadsheets, exports, and reports.
Case Converter
Convert text between lower, UPPER, Title, snake_case, camelCase, kebab-case, and more.
Image to Base64 Converter
Convert an image to a Base64 data URI in your browser for CSS, HTML embeds, and quick prototypes.