How do I compress a PDF small enough to email?

Upload your PDF and choose a compression level. The tool reduces file size in your browser. Gmail supports attachments up to 25 MB, Outlook up to 20 MB.

Can I compress pdf for email attachment without uploading my file?

Reduce your PDF below the 25 MB Gmail limit or 10 MB Outlook limit. Fast browser-based compression - no upload, completely private. OnDevicePDF runs locally in your browser, so your file is not uploaded to a server.

Which tool should I use to compress pdf for email attachment?

Use Compress PDF. It is built for this workflow and keeps processing on-device in your browser.

Will compressing a PDF reduce its quality?

Text PDFs compress with virtually no quality loss. For scanned PDFs or PDFs with many images, choose a lighter compression setting to preserve sharpness.

Can I compress pdf without losing quality without uploading my file?

Choose your compression level. Light compression shrinks the file while keeping text and images sharp. No visible quality loss for text-heavy documents. OnDevicePDF runs locally in your browser, so your file is not uploaded to a server.

Which tool should I use to compress pdf without losing quality?

Use Compress PDF. It is built for this workflow and keeps processing on-device in your browser.

How much can PDF file size be reduced?

Results vary by PDF type. Image-heavy PDFs can shrink 50–80%. Text-only PDFs typically reduce 10–30%. Scanned PDFs with high-resolution images see the biggest gains.

Can I reduce pdf file size free online without uploading my file?

Cut PDF file size by up to 80% with no sign-up. Works on any device in any browser. Your file is never uploaded - processing is 100% local. OnDevicePDF runs locally in your browser, so your file is not uploaded to a server.

Which tool should I use to reduce pdf file size free online?

Use Compress PDF. It is built for this workflow and keeps processing on-device in your browser.

What is the PDF size limit for WhatsApp?

WhatsApp allows PDF sharing up to 100 MB. Use this tool to compress larger PDFs to fit within that limit.

Can I compress pdf for whatsapp without uploading my file?

WhatsApp limits PDF shares to 100 MB. Reduce your PDF well below that limit instantly - no app needed, no upload, works on phone and desktop. OnDevicePDF runs locally in your browser, so your file is not uploaded to a server.

Which tool should I use to compress pdf for whatsapp?

Use Compress PDF. It is built for this workflow and keeps processing on-device in your browser.

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🗜️ Compress PDF

Reduce PDF file size free without losing quality. Smart compression runs entirely in your browser - no upload or sign-up. Download smaller PDFs in seconds.

Tool öffnen

Klicken Sie, um das Tool Compress PDF zu öffnen. Alle Dateien werden lokal in Ihrem Browser verarbeitet.

Tool öffnen - Compress PDF

So verwenden Sie Compress PDF

1
Upload your PDF
Drag and drop or click to upload the PDF you want to compress. The file is processed entirely in your browser.
2
Choose a compression level
Select Lossless, Balanced, or Strong. Lossless keeps full quality and selectable text; Balanced and Strong re-encode pages for much smaller files.
3
Click Compress & Download
Press the Compress button. Lossless mode optimizes the PDF structure; Balanced and Strong re-encode page images — all locally in your browser.
4
Download the smaller file
Once compression finishes, review the new file size shown, then click Download to save your compressed PDF.

So verwenden Sie Compress PDF

Upload your PDF

Choose a compression level

Click Compress & Download

Download the smaller file

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