Tab Sleep Timer & Tab Block
2026
Small Manifest V3 Chrome extensions written in plain JavaScript.
By W.K.D. Kavishka, Flutter & Android Developer
What I built
- Tab Sleep Timer: discards idle tabs on a timer or on demand, so they stop using memory.
- Tab Block: closes tabs on blocked domains, from a personal list plus a shared list hosted on GitHub.
Tech
- JavaScript
- Chrome Extensions
- Manifest V3