Compress PDF for Email Attachments

Compress PDF for Email lets you reduce PDF file size without losing quality quickly and securely in your browser. There's no signup, no watermark, and no software installation required. Your files never leave your device unless you choose to convert them, and all processing is optimized for speed and accuracy. Whether you're working with documents for school, business, or personal use, this tool provides a simple, reliable way to handle your PDF tasks. It works on all devices and supports drag-and-drop for fast uploads. Try it now and experience a clean, intuitive workflow designed for everyday productivity.

Email attachment limits can be frustrating. PDF2Tool helps you compress any PDF to fit within Gmail's 25MB limit, Outlook's 20MB limit, or any custom size you need.

Email Attachment Limits

How to Compress PDF for Email

  1. Upload your PDF above.
  2. Enter your target size based on your email provider.
  3. Download and attach to your email.

Pro Tips

For corporate emails, compress to 5-10MB to account for email overhead. For Gmail, staying under 20MB gives you headroom for email text and signatures.

Frequently Asked Questions

What is Gmail's PDF attachment limit?

Gmail allows attachments up to 25MB. We recommend compressing to 20MB to leave room for the email body.

Can I compress a PDF for Outlook?

Yes. Set your target to 18-20MB for Outlook's 20MB limit.

How much can I reduce a PDF?

Most PDFs can be reduced by 50-90% depending on content. Image-heavy PDFs see the largest reductions.

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