Compress PDF

Reduce PDF file size without losing quality.

Drag & drop your file here

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pdf, pdf · Max 100 MB

Privacy: Your files are processed entirely in your browser and are never uploaded to any server. All data is automatically cleared after processing.

How it works

Upload

Drop your file into the upload area above.

Process

Compress PDF runs instantly in your browser — no waiting for server processing.

Download

Download your Compressed PDF. Your files are then automatically deleted from memory.

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About Compress PDF

Compress PDF reduces the file size of your PDF without losing visible quality — ideal for email attachments and web uploads. Choose from light, medium, or maximum compression. All optimization happens in your browser, so your files never leave your device.

Why use Compress PDF?

Three compression levels for quality vs size trade-off.
Removes unused objects and redundant data.
No upload — documents stay private.
Great for staying under email size limits.
Free, fast, and no watermark.

When to use Compress PDF

Shrink a PDF to fit an email attachment limit.

Reduce a large scan for faster web upload.

Optimize a PDF for online form submission.

Frequently Asked Questions

How does client-side PDF compression work?

DocFlow AI removes unused objects, strips metadata, and re-saves the PDF with optimized settings directly in your browser. No data leaves your device.

Will compression reduce image quality?

DocFlow AI focuses on removing redundant data and metadata without resampling images. Text-heavy PDFs see the biggest savings; image-heavy ones benefit from object cleanup.

What compression levels are available?

Light removes metadata and unused objects only. Medium additionally removes duplicate data. Maximum applies all optimizations for the smallest possible file.