.ODEX File Extension

Optimized Dalvik Executable File

Google Android creates ODEX files to optimize applications before booting. ODEX files contain parts of an application code that is optimized. This speeds up the boot process as it preloads part of an ...

General Information

Title ODEX File Extension
Extension .odex
Full Form Optimized Dalvik Executable File
File Type Android Optimized Application File
Developer Google
MIME Type application/octet-stream

File Function

Primary Function Speed up boot process
Additional Functions Reduce application loading time
Features Pre-compiled bytecode, Performance optimization

File Characteristics

Quality Performance enhanced
Supports Layers N/A
Supports Transparency N/A
Editable No

Use Cases

Android System Files Yes
Android Application Packages Yes

Security and Practices

Security Risks Difficult to reverse-engineer
Best Practices Regular updates, Use official tools

Historical/Version Information

Introduced with Dalvik Android 2.2
Replaced by ART in Android 4.4

Associated Types

Related Extensions .dex, .apk, .so

Software Compatibility

Software Usage Policy OS Compatibility
Android SDK Free Windows, Mac, Linux
Dalvik Debug Monitor Server (DDMS) Free Windows, Mac, Linux