100% Client-side
.env File Validator
Check your .env file for syntax errors, duplicate keys, and leaked secrets, entirely in your browser. Nothing uploaded.
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FAQ
What does it check?
Syntax errors, duplicate keys, missing values, spaces around the equals sign, unquoted values with spaces, and likely leaked secrets.
Is my .env file uploaded?
No, and that matters here. Everything runs in your browser. Your secrets never leave your device.
Does it detect leaked keys?
It flags values that look like API keys or tokens so you can double-check before committing.
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