Compress PDF for Gmail Attachment
Make your PDFs small enough to attach to Gmail. Browser-based compression keeps your emails private and fast.
Compress PDF for GmailHow to Use This Tool
- 1Upload the PDF you want to email.
- 2Choose a compression strength to get under 25 MB.
- 3Download the compressed PDF and attach it to your Gmail message.
Reality check
Target sizes are best-effort. Scanned PDFs usually compress more; already optimized text PDFs may shrink only a little. Always verify file size and readability before upload.
Why use sotool?
Beat the 25 MB Limit
Shrink PDFs safely under Gmail's real attachment threshold, including encoding overhead.
Email-Ready Output
Optimized for screen reading so your attachment looks great when the recipient opens it.
No Signup Needed
Start using the tool immediately without creating an account or logging in.
Browser-Based
Works on Windows, Mac, Linux, Android, and iOS as long as you have a modern browser.
Frequently Asked Questions
Related pages
Compress PDF Online for Free
Compress PDF files online for free. Reduce PDF size for email and storage without uploading files to a server.
Compress PDF to 1MB Free
Compress PDF to 1MB online for free. Shrink large PDFs to fit email and upload limits without uploading files.
How to Compress a PDF for Email
Learn how to compress a PDF for email attachment. Reduce file size for Gmail, Outlook, and other email limits for free.
Recommended Tool
Wondershare PDFelement
Need more advanced PDF editing? Edit text, OCR scanned pages, fill forms, and add digital signatures.