What subtitle formats are supported?

We support SRT, VTT, STL, ASS/SSA, and SBV formats for both import and export.

Can I convert between subtitle formats?

Yes! Upload a subtitle file in any format and export it in a different format.

Is there a file size limit?

Subtitle files are typically very small. Our editor can handle files of any reasonable size.

Do I need to create an account?

No account is required. You can use the editor completely free without signing up.

What is CPS (Characters Per Second)?

CPS measures how fast viewers need to read subtitles. We recommend keeping it under 20 CPS.

Can I edit timing by dragging on the timeline?

Yes! You can drag subtitle regions on the timeline or click timestamps to edit them directly.

Scriptivox

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Free Online ASS Editor - Edit Advanced SubStation Alpha Files

Edit ASS/SSA subtitle files online for free. Perfect for anime fansubs with advanced styling, effects, and positioning. Preserve or remove styling as needed.

Upload Subtitle File

Drag and drop or click to select

ASS Editor Features

Anime fansub compatible

Preserves ASS styling

Edit text and timing

Convert to SRT/VTT

Strip styling if needed

Supports SSA format too

How It Works

Edit your subtitles in three simple steps

Upload Your File

Upload your subtitle file and optionally add a video for preview.

Edit Subtitles

Edit text, adjust timing using the visual timeline, and fix synchronization issues.

Export

Download your edited subtitles in your preferred format.

About ASS/SSA Format

ASS (Advanced SubStation Alpha) is a subtitle format popular in anime fansubs and video enthusiast communities. It supports advanced features like custom fonts, colors, positioning, animations, and karaoke effects.

Our ASS editor lets you edit the text and timing of ASS subtitles while preserving their styling. You can also convert ASS files to simpler formats like SRT or VTT for broader compatibility.

Frequently Asked Questions