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Compress PDF

Reduce PDF file size online. Compress PDF documents while maintaining quality. Optimize images and remove unnecessary data.

Upload PDF to Compress

Reduce file size using Ghostscript WebAssembly. Everything stays on your device.

How to Use

  1. Upload Your PDF

    Drag and drop your PDF file or click to select the document you want to compress.

  2. Select Compression Level

    Choose between High, Recommended, or Low compression based on your needs.

  3. Compress and Download

    Click Compress to reduce the file size and download your optimized PDF.

About This Tool

Compress PDF allows you to significantly reduce the size of your PDF documents without compromising quality. Perfect for emailing large files, saving storage space, or optimizing documents for web viewing.

Choose from different compression levels to balance file size and quality. The tool optimizes images, removes unnecessary metadata, and eliminates blank or duplicate pages to achieve the best results.

All compression happens locally in your browser, ensuring your documents remain private.

Use Cases

Email Attachments

Shrink large PDFs to meet email attachment size limits.

Web Optimization

Optimize PDFs for faster loading on websites and mobile devices.

Storage Management

Reduce file sizes to save space on your computer or cloud storage.

Frequently Asked Questions

Will the quality be reduced?

It depends on the compression level. "Recommended" maintains good quality, while "High" sacrifices some quality for maximum size reduction.

Can I compress password-protected PDFs?

You need to decrypt the PDF first using our Decrypt PDF tool before compressing.

What happens to images?

Images are optimized and resampled based on the selected compression level to reduce file size.