[gorgoiler]

So that the final screenshot is from outside the app being screenshotted, and as a bonus you get another round of JPEG obfuscation.

[saagarjha]

Screenshots are PNGs.

[ddalex]

Write a tool that replaces the least significant bit of each pixel with a random value. Compress the result with 80% quality. Compress the result with 79% quality. Make sure to strip exif info, and all other metadata. Enjoy the result.