Compress PDF Online

Reduce PDF file size while optimizing for maximal quality.

Select PDF file

or drop PDF here

Compression Level:

The Best Free PDF Compressor

Optimize your PDF files for web, email, and print with our smart compression tool.

How to Compress PDF Online?

Follow these simple steps to reduce PDF file size:

  1. Click on the Select PDF file button to upload your document.
  2. Choose your desired compression level: Extreme, Recommended, or Less Compression.
  3. Click the Compress PDF button.
  4. Our tool will shrink the PDF size while keeping the best quality. Download it instantly.

Smart Optimization

We don't just reduce quality; we optimize. Our engine removes redundant data, compresses images, and streamlines fonts to give you the smallest file size possible without making your PDF look blurry.

Fast & Secure

Compress PDFs in seconds. We process your files on high-speed cloud servers and delete them automatically after 2 hours to ensure your privacy and security.

Compress on Any Device

Need to send a PDF via WhatsApp or Email but it's too big? Use our tool on your Android or iPhone to shrink the file size instantly. No app installation needed.

Batch Processing

Working with multiple files? You can compress one file after another quickly. Our tool is designed for efficiency and ease of use for all your document needs.

Frequently Asked Questions (FAQ)

Minimally. We optimize the file structure and compress images intelligently. For "Recommended" compression, the visual difference is usually unnoticeable to the human eye, but the file size drops significantly.

It depends on the file content. If your PDF has many high-resolution images, you can expect a reduction of up to 80-90%. Text-heavy PDFs might see a smaller reduction.

Yes, iLovePDFs.online is completely free. You can compress your PDF documents without paying any fees or subscribing to any plans.