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Compress PDF

Reduce PDF file size while maintaining clear text readability and visual clarity.

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Select or Drop Files Here
Supported: PDF Document (.pdf)
Free tier: up to 25MB โ€ข Max 10 items/pages per batch
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How to Use Compress PDF

1

Upload or drag your PDF document into the compression workspace.

2

Select your preferred compression level: Low (maximum size reduction), Medium (balanced), or High Quality (light reduction).

3

Click "Compress PDF" and watch the real-time compression progress and estimated time remaining.

4

View your before/after file size savings and download your compressed PDF.

About Compress PDF

Shrink heavy PDF files for seamless email attachments, web uploads, and storage optimization. Choose between Extreme, Recommended, and High Quality compression presets. The engine intelligently downsamples high-resolution imagery and strips redundant metadata directly on your computer or mobile device.

Honest Capability Note: Compression works best on image-heavy and scanned documents. Vector typography remains 100% crisp at any zoom level.
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Frequently Asked Questions

How much file size reduction can I expect?

PDFs with high-resolution scanned images or heavy photos often see 40% to 85% size reductions. PDFs containing purely vector text will see smaller reductions because text is already compact.

Will text clarity be affected?

Vector text remains sharp and crisp at all compression levels. Image compression adjusts raster image DPI to standard screen or print resolutions.

Why does compression take a few seconds on large documents?

Because compression runs entirely in your browser using client-side rendering and WebAssembly, your computer processor handles the computation directly without transmitting files over the internet.

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