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Compress PDF

Real PDF compression: 4 levels, automatic image re-encoding for maximum savings, live comparison table, never outputs a file larger than the original. Running the tool requires an account; the free account includes 10 one-time operations on eligible tools.

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🔒 Processed locally in your browser — no file is sent to our servers
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About Compress PDF

Real PDF compression: 4 levels, automatic image re-encoding for maximum savings, live comparison table, never outputs a file larger than the original

Frequently Asked Questions

How do I compress a PDF to a smaller size without software?

Choose the file in your browser and pick a compression level. The tool reduces internal image DPI and builds a before/after size comparison, so you can assess the trade-off before downloading.

Can I target a specific file size when compressing?

There's no numeric target-size input yet — but the comparison table shows the actual resulting size for all four levels side by side before you download, so you can pick whichever gets closest to what you need.

How do I start using this tool?

You can preview the tool without an account. Running it requires an account; the free account includes 10 one-time operations, with plans for ongoing use.

How does this tool handle my data?

Processing varies by tool: file editing tools process selected files in the browser, while others may call a server or external provider. Check the tool description and privacy policy before entering sensitive data.

Does this tool work on mobile devices?

The site adapts to mobile and desktop screens, but some functions depend on browser and device support.

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