Update for the first time in about 6 years.
Completely redesigned!

This app has the following features.
(1) TC + TC = TC
(2) TC - TC = TC
(3) TC + Frame = TC
(4) TC - Frame = TC
(5) TC -> Frame
(6) Frame -> TC

This app is compatible with the frame rate of the following.
(1) 23.98fps
(2) 24fps
(3) 25fps
(4) 29.97fps (DF)
(5) 30fps
(6) 50fps
(7) 59.94fps (DF)
(8) 60fps

It is an essential tool for the video system engineer and video creators.

- Support dark mode.
- Supports dynamic color.
- You can choose the color theme of the app.