I have been building zero install security tools where the browser is the base layer. The goal is simple: make useful security workflows accessible without setup, without a backend, and without turning every task into an installation guide.
I wrote the “why” here: https://blog.anantshri.info/making-security-tools-accessible-why-i-chose-the-browser/
over past couple of month, I realised I am not alone. More builders have started shipping genuinely useful browser-first security tools. So I created a curated collection: https://anantshri.github.io/awesome-in-browser-security-tools/
If you are building something that fits this philosophy, please open a pull request or share the link. I would love to include it.