Malformed JSON Syntax Fixer
Pre-loaded with the two classic breakages: a trailing comma and a missing closing bracket. The diagnostic banner below the input pinpoints the exact line and column where parsing gives up — fix the errors one by one and watch the banner flip green. Your broken config never leaves this tab.
runs 100% in your browser — payloads stay private
- 1Paste your JSONRaw, messy, or broken — the diagnostic banner shows the exact line and column of any syntax error.
- 2Fix & formatBeautify with tab indentation or flatten to a minified single line, with live byte savings.
- 3Query with pathsType servers[0].metrics.cpu-style paths to extract just the branch you need from big payloads.
Formatted output
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Parsed with your browser’s native JSON.parse — nothing you paste here is uploaded, logged, or sent anywhere.