Subtitle Generator

BETA

Transcribe audio or video, refine every cue, and export timed subtitles without uploading your media.

Your media and transcript stay on this device. Speech models are downloaded to your browser and cached for later use.

Drop one audio or video file

Up to 200 MB and 60 minutes. WAV, MP3, M4A, AAC, OGG, Opus, FLAC, MP4, MOV, M4V, or WebM.

Select files

Before you use this tool

Product information reviewed by Aiviko Team

Where processing happens

The selected input is processed in your browser and is not uploaded to an Aiviko processing server.

What may use the network

The page may download code, fonts, runtime files or machine-learning models. Analytics and advertising load only under the choices and conditions described in the privacy and cookie policies.

Results and limits

Speed, accuracy and maximum practical file size depend on the input, browser and device. Review the guide before using the output for an important decision.

Read the full guide and troubleshooting notes →