What is an iMessage video generator?
An iMessage video generator turns a written conversation into a video that looks like someone filmed their own phone screen. The whole frame is the phone. You see the contact name and avatar at the top, the thread in the middle, and the keyboard at the bottom.
The video plays in real time. The outgoing message types itself letter by letter in the input field, with key tap sounds. It sends with the iOS chime. Then the three dots appear on the other side, hold for a beat, and the reply drops in with its own chime. A read receipt sits under the last message you sent.
That pacing is the product. A screenshot of a conversation gives away the whole story at once. A typed conversation releases it one line at a time, and the pause while the other person is "typing" is where the tension lives.
The format runs 15 to 30 seconds and carries no voiceover. It is built to be read in silence, which is how most short-form video is actually watched.