Optimize · PDF
Compress PDF
Shrink PDFs for email and uploads — processing stays on your device.
How to use
- Upload a PDF.
- Choose Strong, Balanced, or High quality.
- Download the compressed file.
Features
- Quality presets
- Honest rasterize compression for image-heavy PDFs
- Runs in your browser. PDFs are not uploaded to ToolsWeb servers.
Privacy & how it works
This PDF tool runs in your browser with client-side libraries. Your files are not uploaded to ToolsWeb servers for this tool. Very large PDFs may be limited by your device memory. Privacy Policy.
FAQ
Is compression lossless?expand_more
No. This tool redraws pages as JPEG images to reduce size. Prefer it for scans and image-heavy files; keep a copy of text-critical originals.
Is this tool free?expand_more
Yes. ToolsWeb tools are free to use with no signup and no paywall for core features.
Do I need an account?expand_more
No. Open the tool and start. We do not require registration for supported tools.
Are my files uploaded?expand_more
No for this tool. Processing runs in your browser. See Privacy & how it works on this page and our Privacy Policy for what network requests still occur when loading the site.
Does it work on mobile?expand_more
Yes on modern mobile browsers. Very large files may hit device memory limits sooner than on desktop.