Dev builds browser-only toolkit after accidentally exposing production credentials online

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A developer built a suite of privacy-focused tools after realising they had unknowingly sent production database credentials to an unknown third-party server via an online .env converter. Investigating other commonly used tools revealed a similar pattern: thin frontends masking backend processing with no transparency about data retention. The resulting toolkit, available at configdev.com, includes an env converter, crontab-to-systemd converter, CIDR calculator, PII log scrubber, and CSV-to-JSON Schema builder. All processing runs entirely in the browser, meaning no data is transmitted to external servers, which users can verify by checking the network tab or going offline mid-session. The project is in its early stages with few users so far, but the developer has made it publicly available and is open to feedback.

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