EnvCheck
Open checker

Dotenv structure only

Private .env validator and example comparison

Compare variable names and structural issues while values remain hidden from every result.

Two local files

Actual .env and optional .env.example

● Stays in this browser

Supported input is one assignment per line with an optional export prefix. Multiline values, interpolation and command substitution are rejected.

Values are never shown or copied. The redacted copy contains sorted names followed by = only.