JSON Validator & Formatter
Validate JSON, find the exact line and column of a syntax error, then format or minify it in one click.
No subscription.$9 once, unlimited. Not $12 a year for an occasional export.
No silent failures.Every error names the line, the column and the likely fix.
No cleanup afterwards.Merged cells expanded, leading zeros kept — ready to import.
Need this in a pipeline, not a browser tab?
Validating a folder of JSON files by hand does not scale. One API call does.
Get the All-Access Bundle — $49 onceFree for 10 rows per table · $9 once, no subscription
Runs entirely in your browser. No upload, no account, no analytics.