Google's social networking platform, Google Plus comes with a built-in an Auto Enhance feature that automatically edits pictures that you upload to the platform. These enhancement features include adjusting or optimizing brightness of a photo, adjusting color saturation levels, and the addition of filters.
Not a fan of the auto-enhance feature? Here's a quick way to disable it.
Turn Off Auto-Enhance on Google Plus
Connect to your Google + account and click on Home > Settings.
Scroll to the Auto Enhance section. Under the option labeled Automatically enhance new photos, select Off: