The latest articles on DEV Community by Rehan Ahmad (@rehan_ahx). https://dev.to/rehan_ahx 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%2F4047953%2Fcb2d8d94-70ef-4e51-9654-75672296ebd5.png https://dev.to/rehan_ahx en Rehan Ahmad Sun, 26 Jul 2026 13:15:28 +0000 https://dev.to/rehan_ahx/built-14-free-online-tools-in-just-one-week-meet-tooleka-2c9p https://dev.to/rehan_ahx/built-14-free-online-tools-in-just-one-week-meet-tooleka-2c9p <p>A week ago, I challenged myself to build a collection of free online tools from scratch.</p> <p>Today, I'm excited to share the first version of <strong>ToolEka</strong> 🎉</p> <p>👉 <a href="https://tooleka.com" rel="noopener noreferrer">https://tooleka.com</a></p> <p>The idea wasn't to create another generic calculator website. I wanted to build a platform that is fast, simple, mobile-friendly, and actually useful.</p> <h2> 🛠️ Tech Stack </h2> <ul> <li>Next.js</li> <li>React</li> <li>Tailwind CSS</li> <li>TypeScript</li> <li>Cloudflare Workers</li> <li>Cloudflare R2</li> </ul> <p>I chose Cloudflare Workers because I wanted global performance with minimal infrastructure management.</p> <h2> ✨ What's Available Right Now? </h2> <p>The first release includes <strong>14+ free tools</strong>, including:</p> <ul> <li>Health calculators</li> <li>Finance calculators</li> <li>Developer utilities</li> <li>Text tools</li> </ul> <p>Every tool is designed to work instantly without requiring an account.</p> <h2> 💡 Why I Built It </h2> <p>While searching for online tools, I noticed that many websites are:</p> <ul> <li>Slow to load</li> <li>Filled with intrusive ads</li> <li>Not optimized for mobile devices</li> <li>Cluttered with unnecessary features</li> </ul> <p>I wanted to build something that focused on speed, simplicity, and usability.</p> <h2> 🚧 Challenges Along the Way </h2> <p>Building the project in one week wasn't easy.</p> <p>Some of the biggest challenges included:</p> <ul> <li>Deploying Next.js on Cloudflare Workers</li> <li>Optimizing performance and Core Web Vitals</li> <li>Adding SEO metadata and structured data</li> <li>Making every page responsive</li> <li>Building reusable components for future tools</li> </ul> <p>Each challenge helped me learn something new.</p> <h2> 🚀 What's Next? </h2> <p>This is only the beginning.</p> <p>My roadmap includes:</p> <ul> <li>100+ free online tools</li> <li>AI-powered utilities</li> <li>More developer tools</li> <li>Better accessibility</li> <li>Continuous UI and performance improvements</li> </ul> <h2> 🙌 I'd Love Your Feedback </h2> <p>If you're a developer, designer, or someone who frequently uses online tools, I'd really appreciate your feedback.</p> <p>Some questions I'd love to hear your thoughts on:</p> <ul> <li>Is the UI intuitive?</li> <li>Which tools should I add next?</li> <li>Did you notice any bugs or performance issues?</li> <li>What would make you come back and use it again?</li> </ul> <p>You can check it out here:</p> <p>👉 <strong><a href="https://tooleka.com" rel="noopener noreferrer">https://tooleka.com</a></strong></p> <p>I'm building this in public, so every suggestion is valuable.</p> <p>Thanks for reading! ❤️</p> startup webdev nextjs productivity