Compress PDF
Reduce PDF file size while keeping your document clear and usable.
Uploaded only when you click Compress PDF
Step 1
Choose a PDF
About Compress PDF
Reduce a PDF’s file size for sharing or upload when a smaller valid result can be produced. Image-heavy PDFs may respond differently from PDFs that are mostly text.
Your files stay on your device
This result was processed in your browser. Your files were not uploaded. Download your result before closing or refreshing this page.
Temporary server processing
This result was prepared on the server after you started processing. Temporary files are scheduled for cleanup. Download your result before the link expires.
Make the most of your file
- Clear server-path disclosure
- Selectable compression level
- Original retained when no smaller result exists
Frequently asked questions
Help centerIs my PDF uploaded when I choose it?
No. The preview stays on your device. Upload begins only when you click Compress PDF.
What if the PDF cannot become smaller?
FileFit retains the original PDF rather than presenting a larger file as an improvement.
How is temporary processing explained?
The notice beside Compress PDF explains the temporary upload. Server files are scheduled for cleanup after the job expires.
Will every PDF shrink by the same amount?
No. Savings depend on the PDF’s images, fonts and existing encoding. Stronger image compression may reduce detail; inspect the result before using it.
Can I prepare another file?
Yes. Use the repeat button above to start again. Download your current result first.
Should I download before closing this page?
Yes. Save the result now. Local outputs are cleared when this page closes; temporary server downloads can expire.
This PDF is uploaded to FileFit only when you start processing for bounded temporary server processing. Temporary server files are scheduled for cleanup after expiry.
File privacy detailsAbout this tool
Compress PDF
PDF compression uses bounded temporary server processing after your explicit confirmation.
- Clear server-path disclosure
- Selectable compression level
- Original retained when no smaller result exists
How to use it
How to use Compress PDF
- 1Choose a PDF and preview its pages.
- 2Click Compress PDF to upload and optimize it.
- 3Download the smaller result or keep the original PDF.
Good to know
Helpful notes
Reduce a PDF’s file size for sharing or upload when a smaller valid result can be produced. Image-heavy PDFs may respond differently from PDFs that are mostly text.
Preview your PDF on this device. Clicking Compress PDF starts temporary server processing; selecting a file does not upload it.
Keep working
Related tools
Before you begin
Compress PDF questions
Is my PDF uploaded when I choose it?
No. The preview stays on your device. Upload begins only when you click Compress PDF.
What if the PDF cannot become smaller?
FileFit retains the original PDF rather than presenting a larger file as an improvement.
How is temporary processing explained?
The notice beside Compress PDF explains the temporary upload. Server files are scheduled for cleanup after the job expires.
Will every PDF shrink by the same amount?
No. Savings depend on the PDF’s images, fonts and existing encoding. Stronger image compression may reduce detail; inspect the result before using it.