DropClean™ 3.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This Mac application is an intellectual property of Maclab Inc. The most popular version of the software is 3.5.
Text_cleaner_3.5.dmg is the frequent file name to indicate this app's installer. DropClean™ for Mac can also be called "DropClean". We recommend checking the downloaded files with any free antivirus. The application is included in Productivity Tools.
From the developer:
Clean them one at a time or drop them on the DropClean app (included) for batch processing. To create multiple, pre-defined drag and drop batches, duplicate the DropClean application and rename it to match Text Cleaner Presets.
Text files can be exported from a layout application or saved from a word processor.
You may want to check out more Mac applications, such as PitStop Extreme, 3dissue or FileOpenInstaller, which might be similar to DropClean™.