1 credit per started 5 minutes
No subtitles yet
Upload a video or audio file and click Generate Subtitles.
Upload a video or audio file and automatically create timestamped subtitles in SRT or VTT format.
How it works
For social clips, courses, interviews and accessibility.
MP4, WebM, MOV or any common audio format, up to two hours. Only the audio track is sent for recognition.
SRT works with most players and editors; VTT is the web standard for HTML5 video.
Preview the timings on screen, then download the file — both formats come from the same run, at no extra cost.
More tools on Nano Banana Lab.
Captions are timed segment by segment, which is enough for social clips, courses and accessibility. Very fast speech may need small manual adjustments in your editor.
SRT is the classic subtitle format supported by players and editors; VTT is used by HTML5 video on the web. You can download both from one result.
One credit per started 5 minutes of the file, shown before you start. Downloading the second format costs nothing extra, and failed runs are refunded.
Yes, up to two hours. The audio is split into parts in your browser, recognized separately and stitched back with correct timings.