JSON Repair (NO UPLOAD)

Fix common non-strict JSON issues: comments and trailing commas. All processing happens locally in your browser.

Privacy & Security: All processing happens locally in your browser. Files are never uploaded.

Input JSON (or JSON5-like)
NO UPLOAD / Client-side only
Ready
Paste input and click Repair. Nothing is uploaded.
Free — Free: up to 200 KB input. Early access: free for now. No payment required. Paid plans coming soon.
    Output (strict JSON)
    Pretty

    What this tool does (and doesn’t)

    JSON Repair removes // and /* */ comments and removes trailing commas before } or ]. It then outputs strict JSON.

    It does not try to “guess” structure or convert arbitrary JavaScript objects. If the result is still invalid, use JSON Validator to pinpoint the exact error.

    Privacy & Security
    All processing happens locally in your browser. Files are never uploaded.
    Next steps (intent layers)
    Go deeper from this head-term tool: topics, playbooks, trend reports, case studies, and research.
    JSON cluster
    Topics Playbooks Trend reports Case studies Research
    Other layers: Comparisons · Alternatives · Migrations · Benchmarks · Pillar · Guides search
    FAQ

    Does this tool upload my files? No. All processing happens locally in your browser. Files are never uploaded.

    Is it free? Yes. Core workflow is free and privacy-first.

    What is it for? JSON workflows: validate, convert, and troubleshoot without uploads.

    Need help? Open the Topics and Guides entrypoints for common errors and fixes:

    Errors hub Topics Guides Privacy

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