.env Validator
Validate dotenv format (key syntax / duplicates / quotes / whitespace)
1 errors
3 warnings
4 valid keys
Verify outputs before using in production. No warranty โ see Terms.
Validate dotenv format (key syntax / duplicates / quotes / whitespace)
L3
Duplicate key (first defined at line 2)
DATABASE_URL=postgres://other # duplicateL6
Unclosed quote
API_KEY="sk-secretL7
Invalid key '1FOO' (must match [A-Za-z_][A-Za-z0-9_]*)
1FOO=invalid_keyL8
Whitespace around key
FOO=whitespaceVerify outputs before using in production. No warranty โ see Terms.