The latest articles on DEV Community by Malik Stone (@mstone). https://dev.to/mstone https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3790363%2Fb13d8075-e218-4c80-a137-56e01d2ad70a.jpg https://dev.to/mstone en Malik Stone Wed, 25 Feb 2026 00:49:54 +0000 https://dev.to/mstone/your-dev-tools-are-leaking-data-heres-why-i-built-mine-to-run-entirely-in-the-browser-2f3o https://dev.to/mstone/your-dev-tools-are-leaking-data-heres-why-i-built-mine-to-run-entirely-in-the-browser-2f3o <p>Most online “developer tools” aren’t tools.</p> <p>They’re upload portals.<br> **<br> Paste your JWT.**<br> <u>Drop your logs.</u><br> <em>Submit your JSON.</em></p> <p><a href="https://surewhynot.app" rel="noopener noreferrer"></a></p> <p>Now your sensitive data just passed through someone else’s server.</p> <p>That’s unnecessary.</p> <p>The Constraint</p> <p>I built SureWhyNot with one hard rule:</p> <p>No backend.<br> No accounts.<br> No uploads.<br> No server-side processing.</p> <p>Everything runs fully in the browser.</p> <p>JSON formatting.<br> JWT decoding.<br> Hash generation (Web Crypto).<br> CSP analysis.</p> <p>If your browser can compute it, it should compute it.</p> <p>Why It Matters</p> <p>Removing the server removes:</p> <p>Data transmission risk</p> <p>Storage liability</p> <p>Logging ambiguity</p> <p>Extra attack surface</p> <p>The architecture is intentionally boring:</p> <p>Static deployment.<br> Zero API endpoints.<br> Stateless model.</p> <p>Project:<br> <a href="https://dev.tourl">https://surewhynot.app</a></p> <p>Not everything needs a backend. Sometimes the right architecture is subtraction.</p> webdev programming javascript json