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Generate polished documents online with AltoCompress.

Compress PDF with straightforward actions. File create files rapidly, securely and free.


AltoCompress is a trustworthy browser service that covers all crucial facets of your PDF experience.

Easily compress PDF with a couple of clicks and get top-quality outcomes. No costs, no sign-up, or even email. We help you make documentation look perfect with no effort.


Why prefer AltoCompress?

This simple to use interface is put together with an effective tool — delivering high speed and quality that’s been shown to be better than any competitors. Additionally, you receive a complete and unified solution that you can use free of charge on any system. Easily and accurately complete any PDF task with the only solution you will ever need.

Cross-platform mobility

Rapidly access your templates on any desktop or handheld device no matter the operating system for seamless use.

Streamline cloud integration

Link up directly to GoogleDrive, DropBox, OneDrive and handle your data files faster.

Security and conformity

Users’ private details are guarded and all actions run over an encrypted connection.


Where do you get started?

AltoCompress is the online document processing service that will bring your prosperity to a higher level. Compress PDF is the perfect tool — letting you get work done faster, better and smarter. Preserve file formatting unaltered and easily share the end product.