The latest articles on DEV Community by Mohammd Sudais Falak (@sudais_falak_e74660a85829). https://dev.to/sudais_falak_e74660a85829 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3986896%2F4b372b7a-7a2c-4e22-8a9a-576af932a7f2.png https://dev.to/sudais_falak_e74660a85829 en Mohammd Sudais Falak Tue, 16 Jun 2026 08:27:59 +0000 https://dev.to/sudais_falak_e74660a85829/how-i-built-and-deployed-288-client-side-calculators-in-3-weeks-1n0m https://dev.to/sudais_falak_e74660a85829/how-i-built-and-deployed-288-client-side-calculators-in-3-weeks-1n0m <p>Hey Dev.to community! </p> <p>Over the last 3 weeks, I’ve been working on a massive product sprint: building a completely local-first web directory called <strong>CalcHive</strong>. </p> <p>I wanted to see how far I could push browser-based client-side computational utilities without cluttering a server, bloating response payloads, or logging unnecessary user data. </p> <p>Today, the project is officially live on the Product Hunt homepage with <strong>288 calculators</strong> fully up and running! </p> <h3> ⚡ The Stack &amp; Why Local-First? </h3> <ul> <li> <strong>Hosting:</strong> Vercel (Edge network processing times have been beautiful for keeping initial DOM paints under 0.4s)</li> <li> <strong>Processing:</strong> 100% Client-Side. Whether a user is parsing a freelance hourly margin or doing compound interest calculations, the data never leaves their browser.</li> </ul> <h3> 📈 The Inventory Scale </h3> <p>Managing 288 custom tool components without turning the app into a chaotic maintenance nightmare required strict file-structure automation. I actually setup a codex script to dynamically auto-update our <code>sitemap.xml</code> index manifest file every single time a new layout template gets compiled (Google Search Console successfully crawled all 288+ of them today!).</p> <p>The categories stretch across:</p> <ul> <li> <strong>Freelance &amp; Business Math</strong> (Upwork fee models, hourly conversion matrix tables)</li> <li> <strong>E-Commerce &amp; Digital Marketing</strong> (Dropshipping margins, conversion multipliers)</li> <li><strong>Finance &amp; Investment Tools</strong></li> </ul> <h3> 🛠️ Need Your Developer Brains </h3> <p>Since this platform relies completely on client-side state manipulation and math execution, I would love for some fellow developers to absolutely stress-test it. </p> <p>How is the UI scaling on your mobile devices? Are there any browser rendering lag spikes when running heavy computations?</p> <p>Check out our live launch hub here and let me know your brutal feedback in the comments: <strong>[<a href="https://www.producthunt.com/products/calchive" rel="noopener noreferrer">https://www.producthunt.com/products/calchive</a>]</strong></p> <p>Thanks for reading, and let's squash some bugs live today!</p> webdev showdev nextjs opensource