Download of ZipMaster 2.0.7 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. ZipMaster for Mac belongs to System Tools. This free software for Mac OS X is a product of ThinkYeah.
From the developer:
ZipMaster is a handy app to compress and decompress files with almost all usual archive formats, with NO ads.
Have a try, you will know this app is what you want!
You may want to check out more Mac applications, such as Compress Files, RAR Extractor Plus or PDFcompressor, which might be similar to ZipMaster.