I Built a Suite of Free Business Tools That Run Entirely in Your Browser

A few months ago, I was helping a friend set up her freelance business. She needed a privacy policy for her website, a way to generate invoices, and QR codes for her business cards. Simple stuff. What wasn't simple was the experience of actually getting these things done. Every "free" privacy policy generator wanted her email before showing results. Every invoice tool required creating an account. Every QR code site was plastered with ads and upsells. And the kicker? Most of these tools were sending her data to some server she'd never heard of. I'm a web developer. I knew I could build something better. So I did. ToolKit.dev is a collection of free business tools that run entirely in your browser. No accounts. No server-side processing. No data collection. Your information never leaves your machine. Here's how I built it, why I made the technical choices I did, and how I'm turning it into a sustainable business without compromising on privacy. The Tools Right now, ToolKit.dev has three