An ass file extension is used for a special movie subtitle format called Aegisub Advanced Substation. Not so common subtitle format supported by most modern media players, like VLC.

There are 3 other file types using
the ASS file extension!

ass file icon.ass - ASS I/O archive file

ass file icon.ass - Assembler/Disassembler 68HC11 file

ass file icon.ass - Tom Clancy's Splinter Cell: Blacklist game data file

Detailed description

Software that works with ass file extension

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ASS file extension - Advanced SubStation Alpha subtitle file

What is ass file? How to open ass files?

File type specification:

Text file type icon Text file type

The ass file extension is used for Advanced SubStation Alpha subtitles files used for movies. SubStation Alpha (SSA) is an external subtitle file format that supports Text Formatting and Styling.

It has a lot of options including Karaoke, audio effects, graphic drawing etc. It is popular in the Anime scene and among Karaoke fans.

There were several versions. 1, 2, 3, 4 and 4+. The latter is better known Advanced SubStation (ASS). Only 4 and 4+ are still being used.

ASS subtitles are also popular for use with 3D movies after conversion to 3D format and playable with VLC. Very popular format for text subtitles is .srt, but ASS subtitles format has more advantages and options than SRT.

The default software associated to ass file type:

VLC media player icon

VideoLAN Project Team logo VLC media player  Microsoft Windows software

Company or developer:
  VideoLAN Project Team

VLC media player is very popular multimedia player developed for Windows, Apple Mac, Linux, Unix and various other platforms.

VLC can playback many of the video formats (AVI, MKV, OGV, WMV, ASF, MOV...) and audio formats (MP3, AAC, M4A, OGG, FLAC...) as well as support of subtitles for video. It can also be used as a streaming server and multimedia transcoder.

Aegisub icon

Aegisub  Multiplatform software

Aegisub is a free, cross-platform open source tool for creating and modifying subtitles.

Related articles:

Create subtitles for 3D movies

Best free software for movie subtitle editing

How to watch movies with subtitles

How to create video subtitles

Help how to open ASS files:

The *.ass files can be opened or edited by any text editor. Better way is to use specialized subtitle editors like Subtitle Workshop. These files can also be loaded to most modern media players to enable subtitles for currently played movie.

How to convert file with extension ASS:

Some specialized programs, like Subtitle Workshop are able to convert various subtitle formats between each other, change text code page encoding etc.

Find conversions from ass file:

ass to 890

ass to srt

ass to ssa

ass to stl

ass to sub

ass to txt

Find converter to ass file type:

mkv to ass

srt to ass

ssa to ass

stl to ass

sub to ass

txt to ass

File identification strings:

HEX code: 5B 53 63 72 69 70 74 20 49 6E 66 6F 5D
ASCII code: [Script Info]

List of software applications associated to the .ass file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open ass file, edit ass file, convert ass file, view ass file, play ass file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the ass files.

  • Open ass file
  • Save ass file
  • Edit ass file
  • Play ass file
  • Convert ass file
  • Create ass file
  • Export ass file

Software that open ass file - Advanced SubStation Alpha subtitle file

Click on the link to get more information about listed programs for open ass file action.

Microsoft Windows:

Apple macOS / Mac OS X:

Linux/Unix:

Multiplatform:

Main software associated with ass file by default:
Aegisub small icon Aegisub
Other suggested software:
URUworks Subtitle Workshop small icon URUworks Subtitle Workshop

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