image-extender

Seamlessly extend any image in any direction with AI. Open-source web app powered by Gemini via OpenRouter, with Poisson-blended seams and best-of-3 variant picker. Maintained by boona13 on GitHub, where it has earned 1,100 stars from the community.

It's actively developed around ai, gemini, image-generation, and is a solid reference for anyone building with these tools.