I Built a Privacy-Friendly Online Toolbox for Developers (No Uploads Needed)

I Built a Minimalist Online Toolbox That Runs 100% Locally in Your Browser Like many developers, I constantly found myself jumping between random online tools: JSON formatters Base64 encoders QR code generators Image compressors Timestamp converters Most of them work… but they often come with annoying downsides: Too many ads Heavy UI Slow loading Uploading sensitive data to servers Tools scattered across different websites So I decided to build my own. 🧰 Introducing Tudousi Tools Tudousi Tools is a minimalist collection of free online utilities designed for developers and daily productivity. The key idea is simple: Everything runs locally in your browser. No file uploads. No server-side processing. That makes it safer for handling sensitive content like encryption, hashes, or private documents. Website: https://tools.tdsay.cn/en/ ✨ Why Local-First Matters Many online utilities process your input on a remote server. That’s fine for public data — but not great when you're dealing with: A