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How to Compress PDF for WhatsApp (Under 100MB) Free

February 6, 2026· 3 min read· By PDFcraft

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WhatsApp only allows files up to 100MB. If your PDF is too large to send, compress it for free with PDFcraft in seconds — no app needed.

WhatsApp PDF size limit

WhatsApp allows document files up to 100MB. Most PDFs are well under this, but scanned documents, presentations, or image-heavy PDFs can exceed this limit easily.

How to compress PDF for WhatsApp

01

Open PDFcraft Compress tool

Go to PDFcraft and tap Compress PDF. Works on phone and desktop.

02

Select your large PDF

Choose the PDF you want to send on WhatsApp.

03

Click Compress

PDFcraft reduces the file size by removing unnecessary data and optimizing the file structure.

04

Check the new size

You'll see the original and new file size. If it's under 100MB, you're ready to send on WhatsApp.

05

Send on WhatsApp

Open WhatsApp, go to your chat, tap the attachment icon, select Document, and choose your compressed PDF.

💡 Pro tip

If the PDF is still too large after compression, try splitting it into smaller parts using PDFcraft's Split PDF tool.

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Frequently asked questions

What is WhatsApp's PDF size limit?

WhatsApp allows documents up to 100MB. If your PDF exceeds this, you need to compress it first.

Will compressing reduce the quality?

For text-based PDFs, quality is not affected. For image-heavy PDFs, there may be a slight quality reduction but text remains sharp.

Compress PDF for WhatsApp now

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