Welcome!

TC420App is an alternative application to configure the TC420 or TC421 LED controller.
Made for all aquarium lovers and completely free for personal use.
Copyright 2024 Stefan Uhrin


Version 4.7 available now!

Main features
- Supports TC420 and TC421.
- TC421 can be configured using USB or WiFi.
- Fast graphical steps editing.
- Interactive demonstration (set position by mouse).
- Custom channel colors.
- Zoom channels for more accuracy.
- Increase/decrease channel power (shift + mouse wheel).
- Text based steps add/edit.
- Import/Export PLED programs (TMF format).
- Import/Export LEDControl programs (LMF format).
- Program optimization.
- Channel copy/paste.
- Multi-language support (English, German, Italian, French, Spanish, Czech, Slovak, Polish)

Download the latest 64-bit version (recommended)

Download the latest 32-bit version

To get notified about the new version or if you want to discuss about the TC420App, join the TC420App Facebook group.

If you want to help by translating the app to your language, use the Help / Export localization XML, translate the generated XML, and send it to me!
You can test your translation by using Help / Test localization XML.

If you are using this app to configure your TC420 or TC421, or if you want me to continue improving it, please consider buying me a coffee :)


Yeah, Yeah, I will make this website nice when I will find some free time or get some caffeine from the coffee you buy :)