7-Zip vs. Ashampoo ZIP FREE

Support a wide range of languages .

Fast for preview zipped files.

Very good compress ratio in 7z format.

Old style interface, but quick and easy to learn.

Command line version with parameter switches for batch scripts.

In advance settings the amount of concurrent threads can be decided by the user.

Free of charge without advertisement, bloatware o potentially unwanted program.

A bit slow and cpu consuming when there are a lot of heavy files

Incentivized

• compress/decompress fast
• interface easy of use
• command line capabilities
• various format supported
• multiplatform

Incentivized

• outdated interface... but is very quick and is not so bad
• improve speed of compression algorithm
• some compressed files are not fully supported

Incentivized

7-Zip is free of charge and meets all our needs in handling compressed files, both those produced by us and those that come from third parties.

The interface is the faster I've ever seen.

The competitor evaluation versions have ads or a lot of reminders that I've to pay now or then.

Incentivized

• 0 cost with no suprises
• 1 tool for many formats
• 0 time needed to learn how to use

Incentivized