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#JavaScript

2 posts

Apr 14, 2026 4 min read

Building DevToolbox: 7 Browser-Based Developer Utilities That Never Touch a Server

I built a free collection of developer tools — JSON formatter, JWT decoder, regex tester, and more — that run entirely...

JavaScript Developer Tools Privacy
Apr 3, 2026 3 min read

Building a Zero-Knowledge Password Strength Checker

I built a password tool that never sees your password. Here is how client-side entropy calculation, k-anonymity breach checks,...

Security JavaScript Privacy