When comparing Keypirinha vs Greenshot (for Windows), the Slant community recommends Greenshot (for Windows) for most people. In the question“What are the best power user tools for Windows?” Greenshot (for Windows) is ranked 10th while Keypirinha is ranked 30th. The most important reason people chose Greenshot (for Windows) is:
Greenshot is licensed under GPL with source code available on [BitBucket](https://bitbucket.org/greenshot/greenshot).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Very fast
Pro Whole configuration takes place in config files
This means there's a bit of a learning curve, but once you got how it works, it's great.
Pro Automatic learning/scoring adjustment based on usage.
Pro Great addons, plugin manager
Pro Tons of customization possible, this one gives you a lot of options / possibilities
Pro Great scoring adjustm
Pro Free and open source
Greenshot is licensed under GPL with source code available on BitBucket.
Pro Freezes screen when you capture
When you enter a capture mode, the screen content is preserved as it was when you started capturing.
Pro Allows annotating, highlighting and obfuscating screenshots
Pro Can capture an entire webpage
Instead of just capturing the visible portion of the page, this tool can capture all of the page in one image by scrolling through the page, taking images at set points and then stitching the images together.
Pro Can be quickly invoked with the print screen button
Pressing the print screen button will allow you to select the captured area.
Pro Selecting custom rectangle is the default
Easy to use selection tool with a magnifier to select only the part of the screen that you need.
Pro Classic UI design makes it easy to use.
Cons
Con Slight learning curve
Con If you are not that patient of a person and want something to just work off the bat this won't be for you
It requires you at least install notepad++ or similar,
learn what it means if '#" is displayed on a line in the config file.
Other then that, the dev. explains everything about the setup you could possibly want to know on his site.
Con Ugly looking
Not meant for Windows 10.
Con Scrolling window capture is only working in Internet Explorer
Con This version only works on Windows, not Linux nor Mac
However, the same author now has a separate version of Greenshot for iOS, which is available (for a small fee) in the Mac App Store at https://itunes.apple.com/us/app/greenshot/id1103915944