Built on Compress PDF
Compress PDF for email — under 25 MB & under 10 MB
Hitting attachment limits in Gmail, Outlook or Yahoo? Our compressor reduces large PDFs to email-friendly sizes — 25 MB, 20 MB or 10 MB — without sacrificing legibility.
Browser-side Sub-second 4.9 / 5
Drop your files here
or click to browse — up to 50 files
🔒 Your files never leave your device — processing happens in your browser.
Options
Medium and above rasterize pages for maximum reduction. Use Lossless to preserve selectable text.
🔒 100% browser-side · no upload
Why use GoluPDFs for this?
- 1Targets Gmail's 25 MB and Outlook's 20 MB limits
- 2Reduces 100 MB+ scanned PDFs to under 10 MB
- 3Lightning-fast browser-side processing
- 4Forever free, no signup
What you get inside Compress PDF
- Smart compression engine with 4 quality presets
- Target file size mode (50KB / 100KB / 200KB / 500KB)
- Extreme compression for email attachments
- Lossless mode preserves vector quality
- Batch compress up to 50 files
- Live size comparison & analytics
Frequently asked questions
Our extreme compression preset can reduce most PDFs by 60–90% while keeping text crisp. For image-heavy PDFs, we typically achieve 80%+ reduction.