JSON Editor
JSON Editor
Paste input, adjust settings if needed, then run.
Edit JSON in format, minify, or sorted-key mode with strict/lenient parser controls and diagnostics.
Result size
0chars
Run to update output.
Output summary
0 chars
More actions
File input
Choose a file
Click, drop, or paste from clipboard.
Settings
Status
Waiting for output.
Health 55/100
JSON Editor policy
Editor transforms are deterministic and local with explicit strict/lenient parser mode controls.
Mode behavior
LOW riskFormat/minify/sort modes run after successful parse; lenient mode can normalize common copy-paste issues.
Sort mode effect
MEDIUM riskSort mode recursively reorders object keys, which can change key presentation order expected by downstream diffs.
Minify readability trade-off
LOW riskMinify output removes whitespace for transport efficiency but is harder to review manually.
Result sizeLive
0chars
Run to update output.
Copy result = output only. Copy report = output + settings.
Privacy note
Flow
- Parse input JSON in strict or lenient mode.
- Apply selected mode: format, minify, or sort keys with deterministic output.
- Render deterministic output with clear syntax errors if parsing fails.
Example
Worked example: stabilize key order
- 1 Input object has inconsistent key order and spacing.
- 2 Run "sort keys + format" to normalize structure.
- 3 Output becomes deterministic for diff-friendly reviews.
The same JSON now compares cleanly across environments.
How
- Paste JSON into the editor.
- Select parse mode and action (format, minify, or sort).
- Review output and copy the final payload.
Cases
- Prepare stable JSON fixtures for tests and snapshots.
- Normalize API payloads before posting in bug reports.
- Switch between human-readable and compact JSON forms quickly.
Avoid
- Using strict mode for JavaScript-like payloads with comments/trailing commas.
- Minifying too early, then debugging unreadable output.
- Sorting keys when key order is semantically important to a downstream system.
FAQ
Does json editor send my input to a server?
No. JSON Editor handles the input in your browser whenever possible, so routine conversions, previews, and copy actions stay on your device instead of being sent to Calctrove servers.
When should I use JSON Editor instead of JSON Formatter?
Use JSON Editor when you need multiple actions in one place, not just pretty-printing.
Will this fix invalid JSON automatically?
In strict mode it does not repair syntax. In lenient mode it can normalize common syntax issues such as comments, trailing commas, and unquoted keys.
Switch
Switch12
No match.