Full transcript
An Instagram transcript is the spoken words of a Reel or video post, written out as plain text, in the order they were said. It is not the caption you type yourself, and it is not the text stickers on screen.
Here is the part Instagram does not do for you. Instagram can show auto-generated captions on some Reels. It will not hand you the text. There is no button that copies it, no export, and once a post is published, no way back to the words. That gap is the whole reason transcription tools exist.
Reels are the hardest of Instagram's three video formats. Not because the audio is special, but because of what sits on top of it. A Reel usually has a music track underneath the voice. That track is mixed loud, often with a beat that lands right on top of the speech. A transcription step has to pull the voice out of that mix. And where the music wins, words are lost, and nothing tells you which ones.
So the order is: Reels are hardest. Stories are mixed, but they expire. Plain video posts are easiest.
Two things you will never get. A private post, because if it asks you to sign in, its audio is not publicly reachable. And words nobody spoke, because text on screen that was never said aloud does not appear in an audio transcript.
That is the whole method. Paste a public link. Name the spoken language. Read the text.