High Demand
Compress PDF File Size
Reduce the file size of your PDF documents for email attachments and web forms.
Compress PDF File Size
Reduce the file size of your PDF documents for email attachments and web forms.
1Upload the PDF document you need to shrink.
Your data never leaves your device
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How to use this tool
Get your job done in three simple, private steps.
1
Get started
Upload the PDF document you need to shrink.
2
Adjust Settings
Pick a level — Recommended works for almost everything.
3
Download Instantly
Download your smaller PDF. Text stays sharp and selectable.
Files stay on your device
Your data never leaves your computer
Unlike online services that upload your resumes, documents, and invoices to cloud servers, Desktora processes everything directly inside your browser memory. Your confidential information stays 100% private.
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Frequently Asked Questions
Everything you need to know about using this tool.
No. Every level except "Extreme" leaves text, fonts and vector graphics untouched — only the embedded photos and scans are re-encoded. Text stays crisp and selectable.
Files with photos or scanned pages typically shrink by 40–80%. PDFs that are mostly text are already small and may only drop a few percent.
No. Decoding and re-encoding the images happens inside your browser, so even confidential documents never leave your computer.