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Compress PDF Online
Shrink file size, keep quality. Use the tool in your browser with a simple upload and download workflow.
How to use Compress PDF
- Open the Compress PDF tool.
- Choose a compatible file from your device.
- Use the available tool options to process or edit your document.
- Review and download the output file.
Processing options depend on the file and the available conversion engine.
Frequently asked questions
How do I use Compress PDF?
Open the tool, select your file, and follow the onscreen instructions.
Can I use this on a phone?
The website supports mobile browsers, although large files may be more convenient on a desktop.
What if my file does not work?
Check that the file is supported and is not damaged or password-protected.