How-To

How to Compress a PDF for Email Attachment for Free

July 3, 2026  ·  3 min read  ·  Fourmeld Blog

Email providers limit attachment sizes. Gmail allows 25MB but recommends under 10MB. Compress your PDF for easy email sharing.

1

Open Fourmeld PDF Tools

Go to fourmeld.com/pdf-tools.

2

Upload your PDF

Click Upload and select the PDF to compress for email.

3

Compress to under 10MB

Click Compress PDF. Choose Medium or Low quality to reach under 10MB.

4

Download and attach to email

Download the compressed PDF and attach to your email as usual.

Tips

FAQs

What is the Gmail attachment size limit?

Gmail allows attachments up to 25MB. For larger files, Gmail automatically converts to a Google Drive link.

What if PDF is still too large after compression?

Try "High compression" setting. Alternatively, split the PDF into parts and send separately.

Does compressing PDF reduce image quality?

Yes — medium compression reduces image quality slightly. The text remains sharp.

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