100% FREE - NO UPLOAD - RUNS IN YOUR BROWSER

Compress PDFs instantly

Drop your PDF below. It gets compressed in your browser - nothing is uploaded to any server. Or download the full-featured Windows app.

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Drop your PDF here

or click to browse files

✅ Compression Complete

your-file.pdf

Before
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After
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Saved
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⬇ Download Compressed PDF

Why use ORSPEX PDF Compressor?

Fast, private, and free.

🔒

100% Private

Your file never leaves your computer.

⚡

Instant

No upload, no queue, no waiting.

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Works Everywhere

Windows, Mac, Linux, Chromebook, iPad.

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Totally Free

No signup, no watermark, no limits.

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No Install

Just open the page and use it.

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Windows App Available

Want stronger compression? Download the desktop version.

Need stronger compression?

The Windows desktop app uses Ghostscript for maximum compression.

🦊 ORSPEX PDF Compressor for Windows

Full-featured offline desktop application with quality presets, batch processing, target-size mode, and best-in-class compression powered by Ghostscript.

⬇ Download for Windows
Free - Windows 10 / 11 - ~17 MB - Open source on GitHub