Universal Data Converter (CSV ↔ JSON ↔ HTML Table)

Auto-detect and convert CSV, JSON and HTML tables with robust delimiter parsing.

How this tool works

Online Free Tools runs this workspace on your device using standard browser APIs whenever possible. Files selected here are processed in memory and are not sent to our server. Exported results are created as local downloads.

Privacy and compatibility

Modern Chromium, Firefox and Safari browsers are supported. If a capability is unavailable, the interface explains the fallback before processing. Close the tab to clear temporary memory.