Compress PDF

Reduce the size of your PDF without losing quality

Or drop files here

How to compress PDF online?
Step 1 Step 2 Step 3

Drag and drop or select files to upload from your device.

Choose your desired compression level, then press "Compress".

Once completed, download your compressed file.

Your Questions Are All Covered

Can Alttoolkit compress PDF to 100 kb or 200 kb?

Yes. There are three compression levels: High, Medium, and Low. You can choose your compression level to get desired PDF quality.

How to compress PDF without losing quality?

You can use "Low" compression mode to compress PDF into high-quality files.

Can I use Alttoolkit to resize PDF on Mac?

Yes. Alttoolkit is a web-based PDF solution, and you can compress PDFs online across platforms.