Remove Duplicate Rows
Remove duplicate rows from a JSON array, keeping only unique ones. Everything runs on your device — nothing is sent to a server.
The result will appear here…
or press Ctrl+Enter
Everything runs in your browser. Your data is never sent to our servers.
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Example
Example Input
[{"a":1},{"a":1},{"a":2}]Example Output
[{"a":1},{"a":2}]How to Use
- 1Paste your data into the Input field.
- 2If the tool has "More settings" (mode, query, columns, etc.), set them as needed.
- 3Click the button (or press Ctrl+Enter) to process.
- 4Copy the result with the Copy button.
About Remove Duplicate Rows
Remove Duplicate Rows drops identical rows from a JSON array of objects, keeping only the first occurrence of each exactly-equal row.
It is useful for cleaning datasets that have duplicate entries from merging or importing. The comparison is over the entire row contents.
Processed in the browser. To drop blank rows, see Remove Empty Rows.
FAQ
Is my data sent to a server?
No. Remove Duplicate Rows runs entirely in your browser using client-side libraries. Your data never leaves your device.