.env Sanitizer & Secret Scanner

Free

Redact secrets from config files — .env, .js, .yaml, .json, and more. 100% client-side — nothing leaves your browser.

Zero uploadsNo cookiesGDPR compliantOpen in DevTools — no network calls

Input

Drop any config file here

.env · .js · .yaml · .json · .ts · or paste below

Output

Secrets replaced with REDACTED

Paste or drop a file to see the sanitized output

🔒

Zero network requests

Every byte of processing happens inside your browser tab. Nothing is sent to any server.

🎯

Smart secret detection

Detects API keys, tokens, passwords, database URLs, and long random strings by key name and value patterns.

📋

Three outputs in one click

Sanitized file with REDACTED values, .env.example with blank values, and a diff showing what changed.