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Compress PDF
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Optimizing and preparing for download
About the Compress PDF
Reduce the file size of a PDF so it is easier to email or upload. Choose how strongly to compress it.
How to use the Compress PDF
- Open your PDF.
- Choose a Compression Level: Low (High Quality), Medium (Recommended) or High (Min size).
- Start the compression and download the smaller file.
When to use the Compress PDF
- Making a PDF small enough to send by email.
- Meeting a size limit on an upload form.
- Saving storage space.
Common mistakes to avoid
- Compressing too far, which blurs images and small text.
- Compressing your only copy. Keep the original.
Tips
- Stronger compression lowers image quality and, depending on the method, text may not stay selectable. Check the result before sending it.
- Always keep a copy of the original file.
- PDFs that are mostly text are already small and will not shrink much.
Frequently Asked Questions
Start with Medium. Use High only if you need the smallest possible file and can accept lower quality.
Usually because of high-resolution images or embedded fonts.