What is a .ENV file?
A .env file stores environment variables and secrets for an application.
- Did you know
- .env files were popularised by the Twelve-Factor App method for keeping config out of code.
- The .env convention began as the Ruby “dotenv” gem by Brandon Keepers, then spread to Node.js and most other languages.
- Each line is a simple KEY=value pair loaded into a process at start-up so secrets stay out of the source code.
- What Analyser reads
- Identify configuration files: TOML, INI, .env, CONF, CFG, and Java properties.
- Depth of analysis
- .ENV is an identification-grade format: Analyser recognises it from its bytes and decodes the header metadata it carries, rather than opening it in a full viewer. Formats that do get a full viewer are marked "Full" on the formats page.
- Open a .ENV file
- Drag a .ENV file onto the Analyser home page (or tap to pick one). It is identified entirely in your browser - nothing is uploaded, there is no account, and it works offline once installed.
- Related formats
- .TOML · .INI · .CONF · .CFG · .PROPERTIES. See all supported file types.