⚡ Fast online PDF compression

Compress PDF

Reduce PDF file size while keeping your document clear, readable and ready to share. Upload your PDF, choose a compression level and download the optimized file.

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Upload your PDF

Drag & drop your file here or click to browse. Maximum file size: 100 MB.

document.pdf 0 MB

Low

Best quality, lighter compression.

Recommended

Balanced size and quality.

High

Smallest size, stronger compression.

Choose a PDF file to start.

Your result

After compression, Bubixo will show your original size, compressed size and saved percentage.

Original —
Compressed —
Saved —
Download compressed PDF
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Privacy-firstYour file is processed for compression and returned as a download.
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Works in your browserNo installation. Upload, compress and download online.
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Three compression levelsPick quality-first, balanced or maximum reduction.
No software neededUse Bubixo directly from your browser.
Clear size reportSee how much file size you saved.
PDF tools workspaceConvert, merge, split and compress files.

About Compress PDF

Email limits and upload forms reject large PDFs. Compress your document to a smaller file that still reads cleanly on screen.

Features

How It Works

  1. Upload the PDF you want to shrink.
  2. The file is compressed to a smaller size.
  3. Download the compressed document.

Use Cases

Frequently Asked Questions

Is the PDF compressor free?

Yes, compressing a PDF is free.

Will my document still be readable?

Yes. Compression is aimed at reducing size while keeping the document readable.

Why is my PDF so large?

Scanned pages and high-resolution images are the usual cause of large PDFs.

What do I download?

A smaller version of the PDF you uploaded.

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