Compress PDF for Email
Shrink your PDF to fit email attachment limits. Works with Gmail, Outlook, Yahoo Mail, and any email provider — instant compression in your browser.
Email attachments have size limits — Gmail caps at 25MB, Outlook at 20MB. PDF.it compresses your PDF so it fits as an email attachment without losing readability. Upload, compress, download, and attach in seconds.
- ✓ Compress PDFs to fit Gmail, Outlook, and Yahoo limits
- ✓ Smart compression keeps documents professional
- ✓ Works on Mac, Windows, iOS, Android, and Linux
- ✓ No installation — compress PDFs in your browser
Drop your files here
or click to browse files
Supported formats: .pdf
Send Contracts & Invoices
Large contracts and invoices with signatures often exceed email limits. PDF.it compresses them to a sendable size while keeping every page crisp.
Compress Reports & Presentations
Reports with charts, images, and graphs can be huge. Reduce file size so you can email them directly instead of using file-sharing links.
Works From Any Device
Need to send a compressed PDF from your phone? PDF.it works in mobile browsers — compress and email on the go.
How to Compress a PDF for Email
Upload your PDF
Drag and drop or click to choose a file
Click Compress
Smart compression is applied automatically
Download and attach
Get your email-ready PDF instantly
Frequently Asked Questions
How do I compress a PDF for email?
Upload your PDF to PDF.it, click Compress, and download a smaller file ready to attach to your email.
What is the maximum email attachment size?
Gmail allows 25MB, Outlook allows 20MB, and Yahoo Mail allows 25MB. PDF.it compresses your PDF to fit within these limits.
Will the PDF still look good after compression?
Yes. PDF.it uses smart compression that keeps text sharp and pages readable. Image quality may be slightly reduced, but the document remains professional.
Can I compress multiple PDFs for email?
Yes. Upload multiple PDFs and PDF.it will compress each one individually. You can also merge them first using the Merge PDF tool.
Can I compress a PDF for email on my phone?
Yes. PDF.it works in mobile browsers — compress and email PDFs directly from your iPhone or Android.
What if my PDF is still too large for email?
Try using PDF.it's Split PDF tool to break the document into smaller parts, then compress and send each part separately.