Free · Private · No upload

Attach a file to PDF online

Embed source files, receipts, evidence or supporting material inside a PDF without uploading either file.

PDF and attachment to PDF package in three steps

Open the Document tab, add attachments up to 25 MB each and review their names and sizes. The files are embedded into the PDF package when you export.

  1. Choose your PDF and attachment file

    Drop it into the tool or browse from your device.

  2. Review your settings

    Choose the options available for this conversion.

  3. Download the PDF package

    Keep the result in your workspace or download it immediately.

Common questions

Is this PDF and attachment to PDF package converter free?

Yes. The local converter is available without an account or per-file charge.

Are my files uploaded?

No. Supported conversions run locally on your device using browser APIs and WebAssembly.

Will complex formatting look identical?

Text and document structure are preserved where possible. PDFs use layout-aware reconstruction and automatic local OCR for scanned pages, though very unusual fonts or visual layouts can still differ.