Add Attachments to PDF

Free online tool to add attachments quickly and privately in your browser.

How to Add Attachments to PDF Online for Free

The Add Attachments tool lets you attach one or more files to a PDF document. You can embed documents, images, spreadsheets, presentations, ZIP files, and other file types inside your PDF without changing its content. Simply upload your PDF, add the files you want to attach, and download the updated PDF.

It’s perfect for contracts, reports, project files, manuals, invoices, technical documents, and any PDF that needs additional supporting files.

Key Benefits

  • Attach files to PDF documents instantly.
  • Supports multiple file attachments.
  • Embed documents, images, and other file types.
  • Keep the original PDF quality.
  • Preserve the document layout.
  • Easy to share everything in one PDF.
  • Fast browser-based processing.
  • Works on desktop and mobile.
  • No sign-up required.
  • Free and easy to use.

Practical Use Cases

  • Attach supporting documents.
  • Add invoices to reports.
  • Embed images in project files.
  • Include spreadsheets with reports.
  • Attach presentations to proposals.
  • Share ZIP files inside PDFs.
  • Organize related files together.
  • Prepare business documents.
  • Archive project files.
  • Share complete document packages.

Features

  • Add one or multiple attachments to PDFs.
  • Supports many file formats.
  • Keeps the original PDF unchanged.
  • Preserves document quality.
  • Supports multi-page PDF files.
  • Fast processing.
  • One-click download.
  • Browser-based processing.
  • Secure file embedding.
  • No software installation required.

Why Choose This Tool?

  • Add attachments to PDF files in seconds.
  • Keep related files together in a single PDF.
  • Simple for beginners and professionals.
  • Works directly in your browser.
  • Perfect for business, school, and personal use.
  • Fast, free, and reliable.

How to Use This Tool

1

Drag your file here or click to choose one from your device. It stays local.

2

Choose your settings or edit your file directly in the workspace container.

3

Click the process button and save the new file straight to your downloads.

Why Choose Wexira?

  • 🔒
    100% Private & Client-Side

    Your files never leave your device. All processing happens locally in your browser.

  • ⚡
    Hardware-Accelerated Speed

    Powered by WebGPU and WebAssembly for instantaneous local execution.

  • 💰
    Unlimited & Free Forever

    No subscriptions, no watermarks, and no artificial limits.

Frequently Asked Questions

Is Add Attachments to PDF free to use?

Yes, absolutely! Every tool is completely free with no registration or hidden fees.

Are my files safe?

Yes. We use WebAssembly and WebGPU so your files are processed directly in your browser without ever being uploaded to any external server.

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