Whisper for Aegisub is an easy-to-use, fully local AI transcription tool based on OpenAI Whisper. It runs directly inside Aegisub, turning audio or video files into accurate subtitles in just a few clicks — no Python, no Docker, no command line. All processing happens locally on your machine, with no uploads, tracking, or subscriptions. Ideal for YouTubers, educators, journalists, agencies, and anyone who wants private, high-quality speech-to-text transcriptions.
This tool is designed to bring the power of OpenAI's Whisper model directly into Aegisub, making it simple for subtitle editors to generate high-quality transcripts without leaving their workflow. The integration is lightweight and built for flexibility, supporting modern subtitle workflows and adapting easily to different languages, content types, and project sizes.
Whether you're working on short-form content like YouTube Shorts or long-form videos, Whisper for Aegisub provides reliable and accurate transcription while maintaining full control over timing and text editing. It ensures privacy by keeping all data local and offers a user-friendly interface that requires no technical expertise.
Whisper for Aegisub integrates the OpenAI Whisper model directly into Aegisub, allowing users to open audio or video files and generate subtitles with minimal effort. The process involves selecting the language, choosing a model (such as large-v3 for best accuracy), and starting the transcription. Once completed, the subtitles are automatically loaded into Aegisub for further editing. The tool supports FFmpeg-compatible formats, making it compatible with virtually any audio or video file.
The plugin is designed for quick installation — either through an automatic installer or by manually copying the files into the Aegisub plugins folder. It also allows users to activate a commercial license for extended features, such as unlimited transcription length and usage across multiple machines.
Whisper for Aegisub is ideal for:
It also enhances the performance of video content on platforms like YouTube by improving SEO, discoverability, and engagement, especially when content is viewed without sound.
| Feature | Whisper for Aegisub | SaaS | Premiere / Resolve |
|---|---|---|---|
| Offline | ✅ | ❌ | ✅ |
| Privacy | ✅ | ❌ | ❓ |
| One-time payment | ✅ | ❌ | ❌ |
| Subtitle quality | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐ |
| Subtitle editing | ⭐⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐ |
| Long files | ✅ | 💲💲💲 | ✅ |