Will compression reduce quality?

Our compression uses smart algorithms to minimize quality loss while significantly reducing file size.

PDF Compressor

Compress PDF files to reduce size online for free

About this tool

Reduce the file size of your PDF documents without compromising quality. Perfect for email attachments and web uploads.

How to use

1Upload your PDF
2Choose compression level
3Click Compress
4Download compressed PDF

Features

100% free to use
No registration required
Processes locally in your browser
Works on all devices

Privacy

Your data is processed entirely in your browser and never sent to our servers. We have no access to your files or data.

Frequently Asked Questions

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Compress PDF files to reduce size online for free

PDF Compressor

PDF compression requires server-side processing to reduce file size. This is a demo flow for now.

Drag & drop your files here

or click to browse

Max size: 50 MB

About this tool

Reduce the file size of your PDF documents without compromising quality. Perfect for email attachments and web uploads.

How to use

1Upload your PDF
2Choose compression level
3Click Compress
4Download compressed PDF

Features

100% free to use
No registration required
Processes locally in your browser
Works on all devices

Privacy

Your data is processed entirely in your browser and never sent to our servers. We have no access to your files or data.

Frequently Asked Questions

Get tool tips & updates

Join 2,000+ users getting weekly tips on free tools, shortcuts & productivity hacks.

Recommended for you

Adobe Acrobat Pro

Professional PDF editing, e-signatures, and document management.

Edit PDFs

Surfshark VPN

Privacy

Fast, secure VPN for privacy and unrestricted browsing.

Protect

1Password

Secure password manager for teams and individuals.

Secure

Affiliate links — we may earn a commission at no cost to you

Related Tools

PDF Merger

Merge multiple PDF files into one online for free

Use tool

PDF Splitter

Split PDF into multiple files online for free

Use tool

Image Compressor

Compress images to reduce file size without losing quality

Use tool

PDF Compressor

PDF compression requires server-side processing to reduce file size. This is a demo flow for now.

Drag & drop your files here

or click to browse

Max size: 50 MB