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Compress PDF for email attachments online, free

Reduce document size to easily send PDFs via Gmail, Outlook, or Apple Mail.

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Compress PDF for Email reduces oversized documents to ensure they stay well under Gmail's 25 MB limit and Outlook's 20 MB attachment ceiling.

All compression happens directly on your machine without storing files on any server.

How to use Compress PDF for Email

  1. 1Select the PDF you wish to email.
  2. 2Choose Balanced compression for the perfect compromise between quality and compact size.
  3. 3Click Compress.
  4. 4Download and attach to your email.

Frequently asked questions

What is the maximum attachment size for Gmail and Outlook?
Gmail limits attachments to 25 MB, while Outlook limits them to 20 MB. This tool easily brings multi-MB files down to small, email-safe sizes.

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