browser tool
early
MIT
fwconfigsanitizer
Browser-based firewall config sanitizer
Strips addresses, hostnames and secrets out of a firewall configuration so it can be shared for help or review. Runs 100% client-side.
About
A portable, browser-based tool that sanitizes firewall configurations by replacing sensitive and identifiable information with safe placeholders.
It runs 100% client-side: no data leaves your machine. Download one HTML file, open it in a browser, and sanitize.
Features
- Paste, upload, or drag and drop a config
- Toggle each sanitization category on or off
- Optional salt for deterministic output and custom sensitive words
- Validation warnings for potentially missed items
- Side-by-side diff of original and sanitized config
- Mapping file to restore values later, and a batch tab for several configs