How can I obfuscate a small section of an image on macOS? I would like to obfuscate private information in an image before I share it. Is there a way to do it on macOS?
Preview, built into macOS, has a few tools for doing this. First, open the image in Preview (the default app for images), then choose the Annotate button on the toolbar.
Options for obfuscating:
The app Skitch has a visually appealing 'pixellate' tool that you can use to obfuscate sections of an image: