Use case · WhatsApp
Compress PDF for WhatsApp — Fast, Free, Browser-Only
Sending a chunky PDF over WhatsApp is painful — slow delivery, failed previews, and angry recipients. Compress it to under 5 MB and it sends instantly, opens fast on any phone, and looks identical to the original.
- WhatsApp PDF cap: 100 MB hard, 16 MB recommended
- Most PDFs fit under 5 MB with no visible quality loss
- Runs in your browser — no upload, no signup
- Works on Android Chrome and iOS Safari
// FAQ
Frequently asked
+What is the max PDF size on WhatsApp?
WhatsApp allows up to 100 MB per file as of 2024, but anything over 16 MB feels sluggish on mid-range phones. Aim for 5 MB or less.
+Will compression hurt legibility?
No. CrispPDF's WhatsApp preset keeps images at 120–150 DPI — sharp on a phone screen, indistinguishable from the original.