Aegisub
A free, cross-platform open source tool for creating and modifying subtitles.
Overview
Aegisub is a free, cross-platform subtitle editor that is particularly popular in the fansubbing community but also used by professionals. Its strengths lie in its powerful and precise tools for timing subtitles to audio and its advanced typesetting capabilities, which allow for detailed control over the appearance and positioning of text. It uses the Advanced SubStation Alpha (.ass) format to achieve this. While it has a steeper learning curve than some other tools, it offers a high degree of control for complex projects.
✨ Key Features
- Advanced subtitle typesetting and styling
- Audio waveform and spectrogram display for timing
- Translation and editing assistants
- Real-time video preview
- Scripting automation (Lua)
- Cross-platform (Windows, macOS, Linux)
- Open source and free
🎯 Key Differentiators
- Advanced typesetting and styling capabilities via the .ass format.
- Cross-platform native support (Windows, macOS, Linux).
- Powerful scripting for automation.
Unique Value: Aegisub provides unparalleled control over the visual styling and timing of subtitles, for free, on all major desktop platforms.
🎯 Use Cases (4)
✅ Best For
- Creating multi-style, positioned subtitles for an animated series.
- Timing song lyrics for a karaoke video.
- Manually authoring high-quality subtitles for a film.
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Users who need automatic transcription.
- Beginners looking for a very simple, easy-to-use tool.
- Collaborative cloud-based workflows.
🏆 Alternatives
Compared to Subtitle Edit, Aegisub has more advanced typesetting features. Compared to web-based services, it is a completely offline, manual tool that offers more granular control at the cost of automation and collaboration.
💻 Platforms
✅ Offline Mode Available
💰 Pricing
Free tier: Unlimited, it's free software.
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