Compress a PDF to Under 300KB

Shrink a PDF to under 300KB locally for very strict upload forms. 100% private, no uploads.

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Compress PDF to Size

Shrink a PDF to under a target file size — perfect for upload limits.

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Drop a PDF here or click to browse

Target maximum size (MB)

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

When a Form Demands Under 300KB

Some government and exam-board forms set brutally small limits — 300 KB, sometimes less — for a single page like a photo or signature. That's an aggressive target, so this page pushes the compression hard to squeeze a document beneath it.

Expect Heavy Compression at 300KB

Reaching 300 KB means a real, visible drop in image quality; it works best for a single scanned page or a simple form rather than a long, image-heavy document. The tool tells you whether it hit the target or how close it got — all locally, with no upload.