What is JSON Validator?
A JSON validator checks whether your JSON follows the standard syntax so parsers can read it correctly.
How to Fix Invalid Input?
Common failures include missing commas, unclosed braces, and wrong quote usage. Use the highlighted line and hint to correct your payload.
Features
- Line and column level error reporting.
- Syntax hints like missing comma or bracket imbalance.
- Format and minify in the same screen.
- Upload and download .json files.
- Copy validated output in one click.
Why Use Our Tool?
You get one workflow for parsing, validating, and beautifying without switching tools.
FAQs
Can this detect JSON line errors?
Yes, it reports line and column when available.
Can I validate large JSON?
Yes, paste or upload large files and validate instantly.
Do I need an account?
No login is required.
Also try: JSON Beautifier | HTML Validator | CSS Formatter