Aegisub for Mac

Quick guide: subtitle editing on macOS with Aegisub

Aegisub is a free, feature-rich application for creating and editing subtitles on macOS. It offers a straightforward interface that works well for beginners while still providing the advanced controls experienced users expect. Because it combines visual tools with precise timing controls, it’s a practical choice for video editors, translators, and hobbyists who need reliable subtitle workflows.

Notable capabilities

• Live preview of subtitle edits so you can see changes instantly.
• Compatibility with a wide range of subtitle file formats.
• Built-in scripting and automation options to speed up repetitive tasks.
• Detailed styling controls for fonts, positioning, and visual effects.
• Timing synchronization utilities and audio waveform display for frame-accurate alignment.

Audio and timing tools

Aegisub makes lining up text with sound straightforward. The editor shows an audio waveform beneath the timeline, which helps identify speech segments and silence. Combined with fine-grain timing controls, this visualization makes it easier to place each subtitle precisely where it should appear and disappear.

Automation and customization

For users who want to optimize their workflows, Aegisub includes scripting support that lets you automate repetitive edits, apply batch changes, or create custom tools. These automation features can be especially helpful on larger projects or when applying consistent formatting across many lines.

Quick reference — price and community

• Cost: Free to download and use.
• Development: Community-driven, with ongoing updates and user-contributed improvements.
• Best for: Video producers, translators, and anyone needing a robust subtitle editor without a price tag.

Alternatives and quick tips

If you’re exploring other options, popular alternatives include Subtitle Edit and Jubler, which offer different interfaces and platform support. If you need concise reminders while working, keep a short cheat sheet with keyboard shortcuts, common export formats, and a note about frame rates for your target platform.