Free browser tool
Free JSON to CSV Converter
Flatten nested JSON into CSV with a custom delimiter and optional header row.
100% client-side. Your data never leaves this device.
About this json to csv
JSON to CSV helps you transform or inspect data right in your browser — no signup and no uploads.
Every conversion and check stays on your device, which is ideal for sensitive or one-off snippets.
When you need logged-in agent browsing and multi-step workflows, open okayok.ai.
Why use this tool
Private by design
Nothing is sent to our servers — processing stays local.
Custom delimiter
Use comma, semicolon, tab, or any short delimiter you need.
Header toggle
Include or omit the header row and flatten nested keys reasonably.
Related utilities
Jump to JSON formatter, YAML/XML/CSV converters, and Diff.
How to use
- 1
Prepare input
Paste text or upload a file from your device.
- 2
Run the action
Click convert/validate and tweak options like delimiter if needed.
- 3
Copy or download
Grab the result from the clipboard or save a file.
FAQ
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