.ASS File Extension
Aegisub Advanced SubStation Alpha File
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What is an ASS file?
An ASS file is a subtitles file created with Aegisub, a cross-platform application that allows users to create their own subtitles. It contains subtitles for use with movies, anime, or karaoke tracks. ASS files are formatted using Advanced SubStation Alpha syntax, which allows users to apply various formatting to their subtitle text.
More Information
When creating ASS files in Aegisub, you can modify your subtitle text's:
- Style
- Encoding
- Spacing
- Orientation
- Other settings
This formatting is then saved within the ASS file, along with the subtitles' timing and sequence. When creating subtitles for movies and anime, you can also specify which character is speaking each line, and the speakers' names are saved within the ASS file.
How to open an ASS file
To view the contents of or edit an ASS file, you should open it in Aegisub. To do so, open Aegisub, select , and then open your ASS file.
If you don't have access to or don't want to install Aegisub, you can also view an ASS file's contents using any text editor, such as Microsoft Notepad (Windows), Apple TextEdit (Mac), and GitHub Atom.
If you want to use an ASS file as a subtitle track, you can add the file as a subtitle track in VideoLAN VLC media player and other media players. To add an ASS file as a subtitle track in VLC media player, select from the program's menu bar.
How can I validate that my ASS subtitles are formatted correctly?
You can validate that the subtitles your ASS file contains are formatted correctly by uploading the file to the Subtitle Validator available at https://validator.subtitledpro.com/.