PDF Studio

Remove embedded files

Remove reachable embedded file attachments.

Removes attachment name trees, associated-file references and file-attachment annotations. Not complete sanitization; unreachable historical bytes may remain.

Copy a file, then press Ctrl + V to paste it here.

Remove reachable embedded file attachments

Remove reachable embedded file attachments. Configure the available options, inspect the result and download it from your browser.

How it works

  1. Open the original single PDF.
  2. Export a copy without reachable embedded-file attachment entries.
  3. Check the reader attachment panel and inspect the output before sharing.

Removes attachment name trees, associated-file references and file-attachment annotations. Not complete sanitization; unreachable historical bytes may remain.

When to use this tool

Remove embedded companion files from a document.

What to check before sharing

Deletes attachment name trees, associated-file references and attachment annotations. Unreachable objects may remain in the bytes; use a dedicated sanitization workflow for sensitive documents.

Supported files

Removes attachment name trees, associated-file references and file-attachment annotations. Not complete sanitization; unreachable historical bytes may remain.

Inputs: PDF. Performance depends on your device. Download important work before closing the browser; local storage is not a backup.

Troubleshooting

If the file will not open, check it in another PDF reader. If it is password-protected, use Remove a PDF password with a password you know. For scans that need selectable text, run Make a PDF searchable first.

Common questions

Does this upload my document?

No. Document processing happens in this browser.

Will the original change?

No. Download is a separate file. Keep the original for recovery.

Which files can I use?

Supported inputs: PDF. Removes attachment name trees, associated-file references and file-attachment annotations. Not complete sanitization; unreachable historical bytes may remain.

Is this free?

Core tools require no account or subscription and add no watermark.

Do my documents leave my device?

Document processing runs in your browser. PDF Studio does not upload document files. Explicitly saved drafts and My files remain in this browser until deleted. Read aloud may use network-backed browser voices.

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