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HomeCompress
Convert
JPGPDF to ImageConvert PDF pages to JPG/PNGWPDF to DOCXConvert PDF to Word documentsWWord to PDFConvert Word files to PDF
Edit PDF
Merge PDFCombine multiple PDFs into oneOrganize PagesRearrange PDF page orderEdit PDFAdd text, images to PDFRotate PagesRotate pages in PDF files
PDF Security
Add WatermarkBrand your PDFs with watermarksEncrypt PDFLock PDF with a passwordSign PDFAdd digital signature to PDF
PricingBlogContact
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HomeAll ToolsOrganize & ManageAdd Attachments

Add Attachments

Attach files as embedded resources inside your PDF.

1. Select PDF File

Select a PDF file

Drag and drop files here, or click to browse

2. Select Files to Attach

Upload Attachments

Select files to embed in the PDF. Any file type is supported.
Files: 50PDF · max 50MB

Add Attachments

Select the PDF file to add attachments to.

Attachment Options

Attachment Level

  • Files never leave your device
  • Processed entirely in your browser
  • GDPR-conscious processing

About This Tool

Add Attachments embeds files of any type into your PDF documents. Attach spreadsheets, images, source files, or any other documents to create comprehensive PDF packages.

Attachments are embedded within the PDF and can be extracted by recipients using any PDF reader. Perfect for distributing related files together.

All processing happens in your browser, ensuring your files remain private.

How to Use

  1. 1

    Upload Your PDF

    Drag and drop your PDF file or click to select.

  2. 2

    Add Attachments

    Select files to attach to the PDF.

  3. 3

    Save and Download

    Click Save to embed attachments and download.

Use Cases

Project Packages

Bundle project files with documentation PDFs.

Report Distribution

Attach source data files to report PDFs.

Contract Bundles

Include supporting documents with contracts.

Frequently Asked Questions

What file types can be attached?

Any file type can be attached to a PDF.

Is there a size limit?

Total PDF size including attachments should not exceed 500MB.

Can recipients extract attachments?

Yes, any PDF reader can extract embedded attachments.

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Title

Edit PDF title, author, keywords

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References

  • PDF – WikipediaPDF features including embedded file attachments.
  • ISO 32000 – WikipediaThe PDF standard covering embedded file specifications.
  • Extract AttachmentsExtract embedded files from a PDF.

Every tool you need to work with PDFs — fast, private, self-hosted.

Product
  • All tools
  • Pricing
Categories
  • Organize & Manage
  • Edit & Annotate
  • Convert to PDF
  • Convert from PDF
  • Optimize & Repair
  • Secure PDF
Company
  • About
  • Contact
  • Blog
  • Help Center
Legal
  • Terms
  • Privacy
  • Security
  • Refund Policy
© 2026 pdfsimple. All rights reserved.