Add a file as an attachment to a PDF

Add one or more files to a PDF as attachments, visible in the attachments panel of PDF readers. Useful for e-invoices with embedded XML, source files or supporting documents. Free, local in your browser.

1. PDF file

Choose your PDF

Drop here or click to choose

Files stay on your device — nothing is uploaded

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Your file is processed in your browser and never uploaded.

How does it work?

1
Choose your PDF
Drag the PDF here.
2
Choose the attachment(s)
Drag one or more files you want to attach.
3
Attach & download
Download the PDF with the embedded files.

Frequently asked questions

Will I see the attachment in every PDF reader?

Most PDF readers, including Adobe Reader, show attachments in a separate panel. Some simple viewers do not support this.

Are my files uploaded?

No. Everything happens in your own browser. Your file never leaves your device and is not stored anywhere.

Is it free?

Yes, completely free and without watermark, ads or account.