Plain-language guides from Ishan's Lab: how the free in-browser tools work and how to get good results from them.
Learn ASL fingerspelling with a webcam: the camera reads your handshape live and checks only the letter you were asked to sign.
Colour correct GoPro footage for free in a browser tab, with no install and no upload. Drop the file, check the split, save the result.
Water absorbs red light first, so underwater video drifts blue-green as you go deeper. Here is the physics and how to correct the colour.