Offline AI Captions & Subtitle Generator
Auto generate SRT/LRC subtitles for video/audio. Offline AI transcription, TTS & subtitle translation.
Auto generate SRT/LRC subtitles for video/audio. Offline AI transcription, TTS & subtitle translation.
Powered by Whisper AI, works completely offline without internet connection
Automatically convert video/audio to accurate subtitles in multiple languages
Support subtitle translation and TTS in multiple languages
Export subtitles in SRT, LRC and other popular formats
Convert text to natural speech with high-quality TTS engine
Built-in editor for fine-tuning timing and text of subtitles
Import your video or audio file by clicking the import button or dragging the file into the app
Choose the source language of your media and target language for subtitles
Click generate button and wait for AI to process. The app works completely offline
Review and edit the generated subtitles, then export in your preferred format (SRT/LRC)
WhisperSub does not collect, store, or transmit any personal data. All processing is done locally on your device.
The app works completely offline. Your media files and generated subtitles never leave your device.
All files are stored locally on your device. You have full control over your data and can delete it at any time.
We do not use any third-party analytics, tracking, or advertising services.