PDF Compressor
Reduce your PDF file size instantly. Light mode optimizes structure, Strong mode converts pages to compressed images. Everything runs in your browser.
Also known as: reduce PDF file size online, PDF compressor, make PDF smaller, compress PDF free
Drag & drop your PDF here
or click to browse
Max file size: 100 MB
Ctrl+V to paste · Ctrl+Enter to convert
What is PDF Compressor?
PDF Compressor is a free, browser-based tool that lets you reduce your PDF file size instantly. Light mode optimizes structure, Strong mode converts pages to compressed images. Everything runs in your browser. No signup is required, and no files are uploaded to any server — all processing happens locally in your browser using JavaScript. This tool is also commonly referred to as reduce PDF file size online, PDF compressor, make PDF smaller.
Need to combine PDFs first? Try our Merge PDF tool.
How it works
Upload or paste
Add your file or paste your content
Convert instantly
Processing happens in your browser
Copy or download
Get your result instantly
Frequently asked questions
Learn More
Articles and guides related to this tool.
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