Parse & Validate Your .env Files Instantly
A powerful online tool to parse, validate, and analyze environment variable files. Detect duplicates, syntax errors, and malformed values in seconds.
100% Private
All parsing happens in your browser. No data is ever sent to any server.
Error Detection
Instantly detect duplicate keys, missing values, and syntax errors.
Sortable Results
View your variables in a clean table with sortable columns.
Drag & Drop
Simply drag and drop your .env file or paste the content directly.
What is a .env file?
A .env file is a simple text file used to store environment variables for your application. These files contain key-value pairs that configure your app's behavior, such as API keys, database URLs, and other sensitive configuration.
Why use this tool?
Manually checking .env files for errors is tedious and error-prone. This tool automatically detects common issues like duplicate keys, syntax errors, and malformed values, helping you catch configuration problems before they cause runtime errors.
Validation Rules
Duplicate Keys
Detects when the same key appears multiple times in your file
Empty Keys
Flags lines where the key portion is empty or missing
Keys with Spaces
Identifies keys that contain invalid space characters
Unclosed Quotes
Catches values with mismatched or unclosed quotation marks
Missing Equals Sign
Detects lines that don't follow the KEY=value format
URL Validation
Warns about URLs missing proper protocol prefixes