Welcome on the Note Sidebar Opera extension for Opera

Latest Update

About Note Sidebar

Simple and easy to use

Note Sidebar is a lightweight and the ultimate tool for typing in your sidebar. You can easily type something like a quick note when you read an important news article, or your reminder sound thing you must do on your agile project, or even when you watch a YouTube video. Note Sidebar is the only browser extension that takes products to the highest level. That bring multitasking to your potential. That with the many customization options.


One of the amazing feature is that you can smoothly browse the web with anything disturbing panel on top of the current website. You can see the Note Sidebar stay on the (left or right) side of your web browser. And multitasking in your web browser.

The Note Sidebar remembers your notes and settings even after closing your web browser or restarting your computer. Notes are saved to local storage and synced in your web browser account. So you can get it back in all your synced web browsers. That to have a transfer experience on your desktop computer to your personal laptop. The note is synced.

Major Support

This browser extension is available for all major web browsers such as Firefox, Opera, and Naver Whale. It is designed for simplicity for all internet users. I hope you like this free and open source browser extension. And you can always support this project with a small donation.

The Best Browser extension

Note Sidebar Browser extension is rated 4 on the 5 stars. Many bloggers and journalists found this great browser extension, where you can quickly take your note.