AppShot Maker creates App Store and Google Play screenshots with device frames, backgrounds and five layout styles. Presets cover iPhone 6.3 and 6.9 inch, 13 inch iPad and Google Play sizes. Each project holds up to 10 boards, and Export all downloads a zip of numbered PNGs.
It is free with no sign-up and runs in your browser. The editor and most image tools run locally. It also includes an icon generator and image tools to compress, convert, crop, rotate and remove solid backgrounds.

App store screenshot sizes are strict, and general design tools are more than most indie developers need. AppShot Maker is a free in-browser way to make App Store and Google Play screenshots with device frames, backgrounds, and layouts.
