Fix common JSON syntax errors locally and review the exact changes before copying or downloading.
JSON stays on your device. Repair runs in a Web Worker, not on our server.
Maximum 512 KiB. Syntax repair cannot recover missing data; review the changes before using the result.
Quotes, commas and closing brackets can often be repaired. Missing values are not invented. Already valid JSON is returned unchanged, including number precision and formatting.
Android app
Calculate materials, packages, reserve, repair costs, and export estimates from your phone.
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