ALL Settings are saved in your browser (localStorage), doesn't send to any web server.
ClientID:
Time format: Use Local time Use GMT time
API version: V5 Helix
There are two versions of Twitch API you can choose, doesn't affect the tool's functionality as of now.

Add videos to do analysis.
Video URL:
(format: https://www.twitch.tv/videos/xxxxxxxx, can be a url that has timestamp)
Streamer Title Start time VOD length Remove?

In this area you can calculate timestamp of other VODs based on a timestamp of a VOD.

Timestamp (in hh:mm:ss format)

Result: