Your thoughts,
anchored anywhere.

The ultimate browser companion for thinkers, builders, and learners. Add sticky notes to any website and sync them across all your devices.

Add to Chrome — It's Free Go to Dashboard

Don't forget to refactor the API layer! 💻

Review design system with the team at 2 PM 🎨

Buy coffee ☕️
Check email 📧

Google Search YouTube GitHub Stack Overflow Medium Wikipedia Reddit LinkedIn Google Search YouTube GitHub Stack Overflow Medium Wikipedia Reddit LinkedIn

☁️

Real-time Syncing

Your notes are saved to the cloud and available on any device you log into. Never lose a thought again.

🛡️

Privacy First

Your notes belong to you. Encrypted by default and stored securely using Firebase infrastructure.

🌈

Infinite Customization

Change colors, fonts, and layouts to match your workflow. From minimal lists to complex dashboards.

Built for Doers

"The only extension that actually stays pinned to the website. Essential for my research workflow."

Alex Chen

Lead Developer

"Syncing works like magic. I start a note on my laptop and finish it on my tablet later that night."

Sarah Miller

Content Researcher

Got Questions?

Is SideNoteX really free? +

Yes! All core features including cloud syncing and image uploads are completely free to use.

Does it work on every site? +

Yes, SideNoteX is designed to work on virtually any webpage, from simple blogs to complex web apps like GitHub and YouTube.

Is my data secure? +