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Compress PDF
Reduce PDF file size in seconds using browser-based compression. No upload needed — fast, private and secure.
Frequently Asked Questions
Have questions? We have answers. Find quick help about using this tool below.
Simply drop your PDF file in the upload zone above, select a compression level (Balanced, Smallest, or High Quality), and click Compress. The process runs entirely inside your browser, and your optimized file is ready to download instantly.
Yes, 100%. Unlike online services that upload your documents to their servers, AeroTools processes all compression locally on your machine. Your private documents never touch the cloud.
Yes! You can upload several PDF files to compress in batches. You can customize the name of each compressed file and download them individually or as a single queue.