JSON Debug Tool
JSON Checker
Paste or drop a JSON file to validate, format, minify, and locate parse errors with exact line, column, and caret previews.
01
Line-level diagnosisShows the broken line, column, and nearby JSON text.
02
Local and privateValidation runs only in your browser.
03
Formatter includedFormat, minify, copy, and download clean JSON.
JSON input
Paste JSON text or drag a .json file here.
1
Result
Validation details and clean output preview.
ReadyPaste JSON or upload a file to start.
Parse error
Line—
Column—
Position—
JSON stats
Lines0
Size0 KB
Keys0
Depth0