.env File Editor - Manage Environment Variables

Edit .env files with validation, sorting, and warnings. Add, remove, rename variables. Browser-based, no uploads. Perfect for managing config files securely.

Drop .env file here or click to browse

Accepts .env, .env.local, .env.example, .txt files

.env File Input

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Environment Variables

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Frequently Asked Questions

A .env file stores environment variables as KEY=value pairs for application configuration. Common in Node.js, Python, PHP, and Docker projects. Contains API keys, database URLs, and other settings that change between environments.

Many frameworks require UPPERCASE_SNAKE_CASE format for environment variables. This editor validates naming conventions, warns about special characters, and flags potential issues like leading numbers or spaces.

Use quotes when values contain spaces, special characters ($, #, \), or start with special chars. This editor auto-detects missing quotes and shows warnings. Double quotes support escape sequences like \n, single quotes preserve literal strings.

Yes. Lines starting with # are comments and preserved during editing. Comments provide context for configuration values. Inline comments (after values) are also supported and maintained when exporting.

Sorting makes large .env files easier to scan and reduces merge conflicts in version control. The editor groups by prefix (e.g., DATABASE_, AWS_) when sorting, keeping related variables together.

Warnings include: missing quotes for special chars, invalid variable names, duplicate keys, empty values, suspicious patterns (passwords in plain text), and non-standard naming conventions. All warnings are informational only.

No. All parsing, validation, and editing happens in your browser using JavaScript. Your environment variables never leave your computer. The tool works completely offline after initial page load.

Upload or paste multiple .env files sequentially. The editor detects duplicates and lets you choose which values to keep. Useful for combining .env.example with local overrides or merging environment-specific configs.

Multiline values must use double quotes with \n escape sequences, or heredoc-style triple quotes. The editor preserves formatting and shows line breaks in the preview. Export maintains proper escaping for framework compatibility.

Export as .env (standard), .env.example (with sensitive values redacted), JSON (for documentation), or shell script format. Choose based on your deployment tool: Docker Compose, Kubernetes ConfigMaps, or CI/CD systems.

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