Compress PDF
Reduce PDF file size. All processing runs in your browser — no server upload needed.
🔒All files are processed locally in your browser. Nothing is uploaded to any server.
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Drag & drop a PDF file here, or click to select
How to Compress a PDF
- 1Upload or drag and drop your PDF file.
- 2Choose a compression quality level (High, Medium, or Max).
- 3Click 'Compress' and wait for processing.
- 4Download the compressed PDF.
Frequently Asked Questions
How do I reduce the size of a PDF file?
Upload your PDF to SkyToolz's Compress PDF tool, select a compression level, and click Compress. The tool runs entirely in your browser.
Does compressing a PDF reduce image quality?
Higher compression levels may reduce image quality slightly. Use the High Quality setting to preserve the best visual fidelity.
Is there a file size limit for PDF compression?
There is no strict limit, but very large files depend on your browser's available memory.