Data Tools

Split Large CSV into Page Chunks

Split large CSV or line lists into page-sized chunks, optionally repeating a header on every page. Preview and copy the current page locally in your browser.

CSVPaginatorData

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Quick actions

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Break a huge mailing list into upload-sized chunks
  • Preview page N of a large paste
  • Keep headers on every chunk for re-import

How to use

  1. Paste the full text
  2. Set rows per page and header options
  3. Generate pages and copy the current chunk

Example input and output

Settings

header + 1000 data rows, page size 100

Pages

10 pages (header repeated when enabled)

FAQ

Does page size include the header?

The chunk size counts data rows; when enabled, the header is prepended to each page separately.

Is the whole file uploaded?

No. Splitting runs entirely in the current page.

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