Aegisub

Video & audio

Free & open sourceEditorial overview
A CLOSER LOOK

What is Aegisub?

Aegisub is a subtitle editor focused on timing and visual styling. It helps subtitlers synchronize dialogue, adjust on-screen placement and preview how styled captions will appear over the underlying video.

Subtitle timing

Styled subtitles

Audio visualization

Real-time video preview

Is it a good fit?

Best suited to

Subtitlers who need precise timing and styling

Before you choose

Advanced styling can limit player compatibility. Caption readability still requires manual judgment.

Editorial assessment based on the provider’s published information. Our method

Know what you're signing up for.

Aegisub is available as free, open-source software. You supply the hardware, storage and any separately licensed content required for the workflow.

Local application; hardware, storage and any external content are supplied separately.

Check current official pricing

The useful parts. The trade-offs.

Why consider it

Video preview helps judge subtitle placement and styling.

Audio-based timing tools support precise dialogue synchronization.

What to keep in mind

Advanced styling can limit player compatibility

Caption readability still requires manual judgment

How to use it well

Time a short passage against the audio before defining visual styles. Keep text readable at the final video size and review placement over changing backgrounds.

Test the exported subtitle file with the intended player, since styling support can differ between formats and playback environments. Yes. The official description includes a built-in real-time video preview. Yes. Timing subtitles to audio is one of its primary advertised tasks.

A few things you might be wondering.

Is Aegisub free?

Aegisub is available as free, open-source software. You supply the hardware, storage and any separately licensed content required for the workflow.

Can Aegisub preview styled subtitles on video?

Yes. The official description includes a built-in real-time video preview.

Is it suited to audio-based subtitle timing?

Yes. Timing subtitles to audio is one of its primary advertised tasks.

Where can I check the latest prices?

Use the provider link on this page. Billing period, location, team size, promotions, taxes, and optional extras may affect the amount you pay.

How should I compare this tool with alternatives?

Choose tools for the same task, then compare their feature limits, platform support, and total cost for your team. The Compare button helps you keep a shortlist.

Are the user reviews moderated?

Yes. New reviews are submitted for moderation. We show published user reviews separately from the editorial overview and never assign a default user rating.

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