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Features
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File Extension Expansion

File Extension Expansion

App Version Implemented
v3.0
Details

Notes

Priority
Medium
Status
Done

Here’s a breakdown of each of those file extensions, what they are used for, and typical usage examples:

Extension
Type
Purpose / Typical Use
.conf
Config File
Unix/Linux configuration files (e.g., nginx.conf, sshd_config)
.html
Markup Language
Webpage structure and content (e.g., index.html)
.ini
Config File
Windows-style settings in [section] format (e.g., settings.ini)
.json
Data/Config File
JavaScript Object Notation, configs or data exchange (e.g., package.json)
.md
Documentation
Markdown-formatted text, often for README or documentation (e.g., README.md)
.xml
Markup Language
Hierarchical data format, config or data (e.g., web.config, pom.xml)
.yaml
Config File
Human-readable data/config, used in CI/CD, Docker, etc.
.yml
Config File
Same as .yaml (e.g., docker-compose.yml)
.csv
Data File
Comma-separated values, used for data import/export (e.g., data.csv)
.cfg
Config File
Generic config file (e.g., app.cfg, settings.cfg)
.toml
Config File
Used in modern tools like Python’s pyproject.toml or Rust’s Cargo.toml
.env
Config/Environment Vars
Defines environment variables (e.g., DATABASE_URL=...)
.properties
Config File
Java-style key-value config files (e.g., application.properties)
.plist
Config/Data File
Apple’s Property List format, macOS/iOS app settings
.settings
IDE Config File
Common in Eclipse and other IDEs (e.g., project preferences)
.config
.NET Config File
XML-based config for .NET apps (e.g., App.config, Web.config)
.txt
Text File
Plain text file, used generically for notes or configuration data
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