How to compress a pdf to send via whatsapp
- Step 1Upload the PDF — Drop the document into the PDF compressor.
- Step 2Compress to below 100MB — Use medium quality (80%) for a balanced result.
- Step 3Download the compressed PDF — Save to your device.
- Step 4Share via WhatsApp — Tap the attachment icon in WhatsApp and select the compressed PDF from your device.
Frequently asked questions
What is WhatsApp's file size limit for PDFs?+
WhatsApp allows document files up to 100MB. If the compressed PDF exceeds this, use maximum compression or split the document.
Will the recipient see the compressed quality?+
For image-heavy PDFs, slight image quality reduction may be visible at high zoom levels. For text-only documents, quality is imperceptible.
Can I also send via WhatsApp Web?+
Yes — WhatsApp Web supports PDF attachments up to 100MB from your desktop browser.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.