Compress PDF

Use Compress PDF online with browser-side processing where supported.

🔒 Supported processing runs in your browser and original files are not stored on our server.

🧾 How to use

1. Add the file or value required by Compress PDF.
2. Choose any available quality, size or range options.
3. Run the tool and review the result.
4. If a file is produced, save it with the download button.

This is lossy browser compression that renders pages and rebuilds the PDF from images. Selectable text, links and vector content may not be preserved.

ⓘ Option guide / important notes

PDF processing notes

Large or high-resolution PDFs can use significant browser CPU/RAM. Keep an original copy of important documents.
Current PDF compression may rebuild pages as images. Selectable/searchable text, links, vector graphics, forms and some metadata can be lost.
A target file size is not guaranteed exactly; the tool produces the closest practical result.

💡 Useful for

Useful when you need Compress PDF quickly on desktop or mobile without installing additional software.

⚠ Notes

Keep a copy of important PDFs. Encrypted, damaged or very large documents may not be processable in the browser.
Up to 40MB per file · Up to 1 files

Supported: PDF

File size: 40MB max/file

Max files: 1

❔ Frequently Asked Questions

How do I use Compress PDF?

Enter the required input, choose your options and run the tool. This is lossy browser compression that renders pages and rebuilds the PDF from images. Selectable text, links and vector content may not be preserved.

Are my files or input stored on the server?

Supported processing runs in your browser; original files are not uploaded to or stored on our server.

Can I use it on mobile?

Yes. Mobile is supported, but large files and complex PDF/media jobs can fail because of device memory limits.

What if the result is not what I expected?

Try adjusting the quality and running it again. Very small target sizes may require reduced dimensions.