Sports Video Tracker
A web app designed to turn follow-along YouTube workouts into a measurable training plan. Instead of just playing videos, you can track date and pause counts. For high-intensity or flow-based sports, fewer pauses mean better endurance, and this app makes that progress visible.
The video library is managed via a Google Spreadsheet synced in real time with a script, the app runs on Cloudflare’s edge network by using Workers and storage for different users to track their individual history.
Coding / bug fixing assisted with Google Gemini. Made in 2026
Check it out: FelixYoga
Recipe Generator
This concept is based on the idea that every recipe or good meal has certain general components. Randomizing these items should result in potentially palatable meals. One night shift later, and features such as defining different diets subsequently led to this working concept. 
I later added an AI recipe generation feature. My prompt is designed to instruct the AI (Llama7B) to generate the recipe using the generated ingredients. The AI is also rating the compatibility. Afterward, another script formats the generated text based on content such as bullet points, bold text etc. if there are any.

I did the development of the webpage myself, based on an older project. I was assisted with some code written and bugs correction by claude.ai. Made in 2023
Try for yourself – cook responsibly: Food Ingredient Tumblr
Product Idea Generator
I taught myself JavaScript to get this idea out of my head. It is a relatively simple script that creates a potentially useful idea. This was before the rise of ChatGPT and others, so the results aren't as thorough. However, this generator might offer some fun inspiration. Made in 2021
Try for yourself, but proceed with caution: Product Idea Generator