Sidenote

Quick notes, screenshots, and todo lists for developers, without leaving the browser.

Sidenote — notes, to-do lists, and screenshots, right where you're browsing. Stop switching tabs just to write something down. Sidenote gives you a simple toolbar that follows you around the page, so you can capture things the moment you think of them. ✏️ Quick notes — write it down, come back to it later ✅ To-do lists — organize tasks into lists, check them off as you go 📸 One-click screenshots — capture the page you're looking at instantly 🖊️ Annotate anything — draw or highlight directly on any webpage 🌙 Dark mode — easy on the eyes, day or night 🔒 Passcode lock — keep your notes private with an optional lock No sign-up. No account. Just click and go.