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Compress PDF files to reduce file size while maintaining quality.
About this tool
Compress PDF files to reduce file size while maintaining quality.
PDF Compressor is a free file tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open PDF Compressor on AltFTool — it loads instantly in your browser.
Upload or drag in the file you want to work with.
Adjust the settings and preview the result.
Download the finished file to your device.
Process images, audio, video, and documents directly in your browser — files never leave your device.
See the result before you export, so the final file is exactly what you expect.
Download output that's ready for your website, presentation, or client hand-off.
Yes — PDF Compressor is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. PDF Compressor runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Compress PDF files to reduce file size while maintaining quality. It's built for quick, everyday file tasks with results you can copy or download straight away.
Yes — PDF Compressor works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.