JSON Formatter and Validator
Processing: API. Processed by cent-ai's API: sent to our server, held in memory, never stored.Paste JSON to format it with consistent indentation, catch syntax errors with a clear message, and optionally sort object keys alphabetically. Nothing you paste here is stored or logged.
How to use it
- Paste or type JSON into the input field.
- Choose 2-space or 4-space indentation, and optionally sort keys alphabetically.
- Select “Format JSON” to see the formatted result, or a clear error if the JSON is invalid.
- Browse the result as a collapsible tree (expand or collapse any key), or switch to “Text” for the raw formatted output and search it with “Find”.
- Copy the result to your clipboard, or download it as a
.jsonfile.
Example
Select “Use example” above to load a sample payload, or try input like:
{"service":"payments-api","replicas":3,"env":"production"}Privacy and security
- Input is sent to our API only to be parsed and re-formatted; it is never persisted or logged.
- Requests are not included in analytics or error reporting.
- Formatting never executes your JSON as code.
- Request bodies are limited in size to keep the service responsive for everyone.
Limitations
- Only strict JSON is supported — JavaScript object literals with comments or trailing commas are rejected.
- Very large payloads may be rejected to protect the service; format large files locally instead.
FAQ
Is my JSON stored anywhere?
No. Input is processed in memory to produce the formatted output and is not saved or logged.
Why was my input rejected?
The formatter only accepts strict JSON. Common causes are trailing commas, single quotes, or comments, none of which are valid JSON syntax.