cleanVideos 1.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X is a product of 1LD. The software is included in Developer Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
cleanVideos offers 100% responsive video embedding while keeping the video's aspect ratio.
Supports all major video sharing sites such as YouTube and Vimeo - Supported HTML Embedding: iframe, object, embed.
You may want to check out more Mac applications, such as Browsealoud, RAGE WebDesign or solr, which might be similar to cleanVideos.