Automatically fix common broken JSON: missing quotes on keys, trailing commas, single quotes, and unescaped characters. Browser-based, no upload.
Privacy: Conversion runs locally in your browser. Your source file is not uploaded to JAD Apps servers.
Automatically fix common broken JSON: missing quotes on keys, trailing commas, single quotes, and unescaped characters. Browser-based, no upload. Everything runs locally in your browser — your source file is never uploaded.
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Drop your JSON file
Drag the source file onto the dropzone or paste JSON text directly. Parsing happens in your browser.
Adjust the options
Tune the controls until the preview matches what you need. Each option updates the result instantly.
Download or copy
Use the Download button to save the result or Copy to push it straight to your clipboard.
No. The tool runs entirely in your browser. Only anonymous usage counts (when signed in) are sent so your dashboard can show recent runs.
Free accounts handle JSON up to 2 MB / 500 rows. Pro raises this to 100 MB / 100,000 rows. See the Limits panel below for the full table.
Most tools accept both pretty-printed JSON and newline-delimited NDJSON. The relevant tools auto-detect the input format.
Pro and Developer plans expose a REST API and MCP server with the same logic — useful for CI pipelines and AI agents.
Privacy
Conversion runs locally in your browser. Your source file is not uploaded to JAD Apps servers.