zippydevtoolsJSON
JSON Minifier
Minify valid JSON into a compact single line without changing objects, arrays, or values.
Paste your dataJSON, JWT, URL, Base64 or CSV
Input
Paste or type
Try an example:
Output
Run an action
Paste your data. Zippy detects the context and shows compatible actions.
Processed locallyNo upload · no account · your data stays in this browser
Related guides
- Parse, Format, and Validate JSON Logs and API Payloads
Parse JSON logs and NDJSON, inspect failed lines, validate the resulting payload, and generate TypeScript safely with a browser-local debugging workflow.
Quick examples
Minify a JSON object
Input: { "name": "Ana", "ok": true }
Output: {"name":"Ana","ok":true}
Compact an API payload
Input: { "user": {"id": 1}, "active": true }
Output: {"user":{"id":1},"active":true}
JSON Minifier FAQ
Does minifying remove JSON fields?
No. It removes only whitespace and line breaks while preserving data structure.
Does input need to be valid JSON?
Yes. Invalid JSON returns an error.
Is the output single-line?
Yes. The result is compacted into one line.
Does it work for objects and arrays?
Yes. Any valid JSON payload can be minified.
Is content uploaded to a server?
No. Minification runs in the browser.
Related workflow links