PDF Attachment Editor

Manage PDF Attachmentsright in your browser

View, add, and remove file attachments in your PDF documents

100% Private: Your files never leave your device. No uploads, no tracking, no cookies. All processing happens locally in your browser with open-source code you can verify yourself.

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Frequently Asked Questions

Everything you need to know about managing PDF attachments

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Manage PDF Attachmentsright in your browser

Frequently Asked Questions

What are PDF attachments?

What types of files can I attach to a PDF?

How do I add an attachment to my PDF?

Can I rename attachments without changing the actual file?

How do recipients access the attached files?

What happens to the original PDF when I modify attachments?

Is there a limit to how many files I can attach?

Can I attach password-protected or encrypted files?

Why can't I add an attachment with the same name?

Are my attachments compressed in the PDF?

Will attachments work in all PDF readers?

Are my files secure? Do you keep my data?