Knowledge Base / Developer Tools / JSON Formatter
Developer Tools
How to Use JSON Formatter
Format, beautify and validate JSON. Format and validate JSON so it is readable and easier to debug.
Open JSON FormatterInputGive it the right input
ConfigureChoose the required option
RunStart the main action
ReviewCheck the actual result
OutputCopy, download or use it
What this tool actually does
Format and validate JSON so it is readable and easier to debug.
What you need
A JSON object/array pasted into the editor.
Exact workflow
1
Step 1
Paste JSON into the editor.
2
Step 2
Run the format/beautify action.
3
Step 3
If validation reports an error, inspect the indicated quotes, commas, braces or brackets.
4
Step 4
Correct the JSON and run formatting again.
5
Step 5
Copy the valid formatted JSON.
Tips for better results
- JSON strings use double quotes.
- Validate JSON before sending it to an API.
Common mistakes
Trailing commas.
Single quotes.
Missing/extra braces or brackets.
What you should get
Formatted JSON or a validation error.
Quick answers
Do I need to install anything?
Normally no. Open the tool in a modern browser.
What if the result looks wrong?
Return to the input and option checks above, correct the values/file/settings, then run the tool again.
Should I keep the original?
Yes. Keep the source until you have verified the finished result.