Compress PDF files to reduce their file size
Click or drag a PDF here
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Choose Low, Medium, or High compression based on your quality vs. file size requirements.
See estimated output file size before downloading to ensure it meets attachment limits.
All compression happens locally - your documents are never uploaded to any server.
Everything runs inside your web browser. We never upload your text, files, or personal data to any servers.
No sign-ups, no subscriptions, and no usage limits. Get your results instantly in a single click.
Depends on content. Image-heavy PDFs can be reduced 60-80%. Text-only PDFs typically see 10-30% reduction.
Text is not compressed - it remains perfectly readable at all compression levels. Only embedded images are optimized.
No, unlock the PDF with our PDF Unlocker first, then compress it.
Image content is re-compressed using JPEG/WebP at reduced quality. The PDF structure is also optimized by removing redundant data.
No server limit. Your device's available RAM determines practical limits - most PDFs process without issues.
Yes, completely. All calculations and file conversions happen entirely inside your own browser. We do not store, view, or upload any of your input data to our servers.
No. UtilsGo is 100% free. You don't need to create an account, register, or pay for any features.
Built by UtilsGo • Last updated May 2026 • No ads • No tracking