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Compress a PDF to Under 5MB in Your Browser

Shrink a PDF below the common 5MB upload limit locally. Private, fast, no file uploads.

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Compress PDF to Size

Shrink a PDF to under a target file size β€” perfect for upload limits.

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Drop a PDF here or click to browse

Runs up to 3 compression passes. Output is image-based, so text is no longer selectable.

The Common 5MB Limit

5 MB is the default attachment and upload ceiling for many email systems and web forms. It's a comfortable target that keeps quality high while still clearing the cap β€” good for multi-page reports and decks that are just a bit too large.

Quality-Friendly by Design

Because 5 MB is generous, the first pass usually succeeds at high resolution, so your document stays crisp. The tool only drops quality further if needed, and it all happens in your browser.

Compress a PDF to Under 5MB in Your Browser β€” Frequently Asked Questions

Why is 5MB a common limit?

Many mail servers and portals default to a 5 MB per-file cap. Targeting just under it maximizes quality while still letting the file through.

Does a 5MB target keep good quality?

Usually yes β€” it's roomy enough that the first high-resolution pass often meets it, so pages stay sharp.

Is anything uploaded?

No. Compression is 100% local to your browser.