Will compression affect my PDF quality?

Our compression optimizes images and removes unnecessary data while preserving text clarity. Choose 'Print' for highest quality or 'Web' for maximum compression.

How much can I reduce my PDF file size?

Depending on the content, you can reduce file sizes by up to 90%. PDFs with many images see the biggest reductions.

Is there a file size limit?

No server-side limits since everything processes in your browser. Very large files may take longer to process.

Is my PDF secure during compression?

Yes. Your files never leave your device—all compression happens locally in your browser.

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Free PDF Tool

Compress PDF

Reduce your PDF file size without losing quality. Perfect for email attachments, faster uploads, and saving storage space—all processed entirely in your browser.

100% free · No signup · Private

12.4 MB

2.1 MB (-83%)

How to Compress a PDF

Three simple steps. No account needed.

Upload your PDF

Click the button above or drag and drop the PDF file you want to compress.

Choose compression level

Select from Web (maximum compression), Standard (balanced), or Print (best quality) presets.

Download compressed PDF

Click compress and your smaller PDF will download automatically. Check the file size reduction!

Frequently Asked Questions

Everything you need to know about this tool.

Upload your PDF using the button above, choose your preferred compression level, and click compress. Your smaller PDF will download automatically.

Start Editing PDFs for Free

No account needed. No software to install. Your files stay private on your device.