JSON viewer: tree, table and syntax checking, right in your browser
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Drop a file here
JSON, JSONL, XML, CSV — the file never leaves your computer
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Is it free to use?
Yes, completely free and no sign-up needed. The tool runs entirely in your browser: the file never goes to a server, so the server spends neither CPU nor traffic — there is nothing to charge for. No watermarks, no limits on file size or count.