pdfprivately

Compress PDF for Email

Compress your PDF to a size suitable for email attachments. Most email services accept 10-25MB attachments — we'll help you get there.

Files stay on your device
100% Browser-based
No account needed

Drop your PDF here to compress

Supported: .pdf (up to 100.0 MB)

Frequently Asked Questions

What is the best PDF size for email?

Under 10MB is safest. Gmail accepts 25MB, Outlook accepts 10-20MB, and Yahoo accepts 25MB. For reliable delivery across all providers, keep attachments under 10MB.

How to compress a PDF for email without losing quality?

Use Standard mode which keeps text crisp and images clear. The tool optimizes the PDF structure without reducing image resolution.

Can I email a compressed PDF from my phone?

Yes. Our tool works on any device with a modern browser. Just upload, compress, and download — then attach to your email. Everything stays on your device.

Why is my PDF too big for email?

High-resolution images, embedded fonts, and scanned pages add file size. Our compressor removes redundancies and optimizes the document structure for email delivery.