.ASS File Extension

ASS files exist as 2 different types. Please find information about each of them below.

Type 1: Aegisub Advanced SubStation Alpha File

Files with .ass extension are movie subtitles saved in Aegisub Advanced Substation format. Playable in most media players nowadays. ASS format extends SubStation Alpha standard closely following SSA v...

General Information

Title ASS File Extension
Extension .ass
Full Form Advanced SubStation Alpha Subtitle File
File Type Subtitle File
Developer Aegisub Project
MIME Type text/x-ssa

File Function

Primary Function Store subtitles
Additional Functions Store timing, formatting
Features Rich formatting, Karaoke effects

File Characteristics

Quality High customization
Supports Layers Yes
Supports Transparency Yes
Editable Yes

Use Cases

Video Subtitling Yes
Fan Subbing Yes
Professional Subtitling Yes

Security and Practices

Security Risks Script commands
Best Practices Validate, sanitize

Historical/Version Information

Initial Release Early 2000s
Latest Update Aegisub 3.2.2 (2014)

Associated Types

Similar Extensions .srt, .sub, .idx

Software Compatibility

Software Usage Policy OS Compatibility
Aegisub Free Windows, Mac, Linux
VLC Media Player Free Windows, Mac, Linux, Unix
Media Player Classic Free Windows

Type 2: Splinter Cell Blacklist Game Data File

The ASS file extension is mainly used by Splinter Cell Blacklist, a stealth game developed by Ubisoft. ASS files hold map layout data referenced by Splinter Cell Blacklist for each game level. They ar...

General Information

Title .ASS File Extension
Extension .ass
Full Form Artificial Intelligence and Simulation Suite File
File Type Game Data File
Developer Ubisoft
MIME Type application/octet-stream

File Function

Primary Function Store game assets
Additional Functions Contain game levels, models, textures
Features Binary format, Encrypted

File Characteristics

Quality High-resolution
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Gaming Yes
Modding Limited
Game Development No

Security and Practices

Security Risks File tampering
Best Practices Backup, Verify integrity

Historical/Version Information

Initial Release 2013
Latest Version Associated with Blacklist

Associated Types

Similar Extensions .dat, .pak, .bik

Software Compatibility

Software Usage Policy OS Compatibility
Ubisoft Game Launcher Free Windows
Splinter Cell Blacklist Paid Windows, Xbox, PlayStation