Convert JSON to CSV online
Convert JavaScript Object Notation files to Comma-Separated Values instantly in your browser — free, private, and with no account. Files never leave your device: the JavaScript Object Notation → Comma-Separated Values pipeline runs entirely on your machine.
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25 private, browser-based workflows
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Browse files · JSON to CSV · Up to 25 MB each (max 20 files)
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Built for reliable exports
Why convert JavaScript Object Notation to Comma-Separated Values?
JSON-to-CSV flattens nested objects into rows and columns. The quickest route from API responses or event logs into Excel, Google Sheets, or any data-analysis tool. Structured and hierarchical, language-independent, natively consumed by every programming language and API, and self-describing through field names. Dead-simple structure, negligible file size, importable by Excel, Google Sheets, pandas, and virtually every data tool in existence.
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Guide
About JavaScript Object Notation and Comma-Separated Values
JavaScript Object Notation (JavaScript Object Notation) — JSON is the de facto data-interchange format of the web: nested key-value pairs, arrays, and primitives in a format both humans and machines parse effortlessly.
Comma-Separated Values (Comma-Separated Values) — CSV is the lowest common denominator of tabular data: one row per line, values separated by commas. Spreadsheet apps, databases, and scripts all speak it.
Guide
When this conversion makes sense
Reach for this conversion when your content currently lives as JavaScript Object Notation — API responses, configuration files, application state, NoSQL documents, and structured data exchange between services. — and the destination needs Comma-Separated Values: data export/import, contact lists, analytics datasets, database snapshots, and moving tables between systems that share nothing else.
Keep the source in mind: Cannot hold multiple top-level tables natively, comments are not allowed, and it is poorly suited to tabular data with thousands of uniform rows. Meanwhile, Comma-Separated Values solves that with this strength: Dead-simple structure, negligible file size, importable by Excel, Google Sheets, pandas, and virtually every data tool in existence.
Guide
What to expect from the output
This converter runs fully client-side — no upload, no server storage, no watermark. Drop files in, preview the result, and download individually or as a batch ZIP.
Because JavaScript Object Notation and Comma-Separated Values were designed for different jobs, expect structure to map cleanly but presentation details to adapt: Cannot hold multiple top-level tables natively, comments are not allowed, and it is poorly suited to tabular data with thousands of uniform rows.
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Frequently asked questions
Is this JavaScript Object Notation to Comma-Separated Values converter free?+
Yes. All document conversions are completely free with no sign-up, no watermarks, and unlimited usage.
Are my files uploaded to a server?+
No. All conversion happens in your browser using local JavaScript libraries. Your files are never uploaded, never stored, and never visible to anyone but you.
What quality can I expect from JavaScript Object Notation to Comma-Separated Values?+
Comma-Separated Values cannot store the full presentation of JavaScript Object Notation (styling, fonts, or layout are dropped by design), but the content and structure carry over intact.
Can I convert JavaScript Object Notation files in batches?+
Yes. Drop multiple JavaScript Object Notation files at once and they convert in sequence; download results individually or grab the whole batch as a single ZIP file.