I was trying to create a new wallpaper for Aiden and my Laptop that I mainly use to connect to it. I created an AI generated image (of course) of the logo/icon thing of Aiden:
After some attempts with Qwen Image Edit, I tried Flux2.dev and got a pretty good image:
It was cool, but lacked some effects to make it pop. I wanted scanlines, chromatic abberation and so on. You know, all the cheap effects seen in indie games. 😉
I thought about launching Affinity Photo or something and look for effect filters that I could download. But then I thought: “Let’s do a quick test if I can create the effects using javascript and css or something.
Shortly after, Claude Code connected to Qwen 3.6 produced SuddenFx.
It is named after a Visual Basic tool that I did like… over 20 years ago… o_O
I think the “real” came after I sped up the effects using native C++ DLLs for the rendering and Visual Basic only for the UI. It was still… very slow. ^-^
But it had a very similar idea and so the new app SuddenFx using Javascript, vibe coding and luck came to be.
SuddenFx ’26
I wanted it to be built, so filters could be added easily, each with a definition of their parameters and a global strength parameter for all of them. They should be reorderable and there should be a quick toggle for each of them and a solo mode to only see the effects of a single filter temporatily.
There is also a compare mode like the ones in similar apps. When downloading the result, the original generation metadata is added again, so it can still be dropped into SwarmUI. There is also a drag source image to download per drag & drop into other apps.
The development of this went really smoothly and was one of the best vibe coding experiences so far. And pretty quickly, I got my wallpaper:
After creating my wallpaper, I let the agent come up with more filters to be used especially for AI generated images and it came up with “Clarity” and some others that really improve the often flat look of AI generated imagery.