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Mofumi PDF

Edit Attachments

List, rename, re-describe or delete the files embedded in a PDF.

100% Private — files never leave your device
Upload PDFDrop files here or click to chooseAccepted: PDF Files never leave your device

About this tool

Edit Attachments lists every file embedded in a PDF with its name, size and description. Rename files so they make sense to the recipient, update descriptions, download any single file, or mark attachments for deletion.

Removing attachments is a good way to shrink a PDF or to make sure internal working files are not sent along by accident. Files attached to page annotations are included and are kept as document attachments.

All changes are made in your browser, and the pages of the PDF are not touched.

Engines: pdf-lib

How to use

  1. 1

    Upload a PDF with attachments.

  2. 2

    Rename, edit descriptions, download or mark files for deletion in the list.

  3. 3

    Click Save changes and download the updated PDF.

Use cases

  • Remove internal files

    Delete working spreadsheets before sending a PDF outside the company.

  • Clear names

    Rename “final_v7(2).xlsx” to something the recipient understands.

  • Smaller files

    Drop large embedded videos or images that aren't needed.

Frequently asked questions

Does this change the pages?

No. Only the embedded files are changed; the visible pages stay exactly the same.

What happens to paperclip icons on pages?

Files attached to page annotations are moved into the document's attachment list, and the paperclip icons are removed.

Can I add new files here?

Use Add Attachments to embed new files.

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