Embed File in PDF

Attach any file inside a PDF so it travels with the document.

Select the PDF

Click to choose, or drop a file here

How to Embed File in PDF

1
Select the PDF
Drop in the PDF that will carry the attachments.
2
Add files to attach
Pick any files — spreadsheets, images, source data, anything.
3
Embed and download
The files travel inside the PDF.

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Embed File in PDF — frequently asked questions

Who can open the attachments?+

Any reader that supports PDF attachments — Acrobat, Preview, and the Extract Embedded Files tool here.

Does this increase the file size?+

Yes — the attachment bytes are stored in full inside the PDF.

Do you upload my files to a server?+

No — every tool here processes your files entirely on your device, and nothing is uploaded to a server. The AI tools that used to send extracted text to a server are currently disabled.

Is there a file size limit?+

There's no artificial limit we impose, but since processing happens in your browser, very large files (500+ MB or 1,000+ pages) are limited by your device's memory rather than by us.