Sync your Razer Chroma-enabled devices with Vivaldi
Chroma-enabled devices can now dynamically sync colors from websites being visited in Vivaldi, giving a whole new level of immersion to your browsing.
Learn more about the integration

Hibernate tabs to save memory
Having hundreds of tabs open can be a drag on any machine. Use Tab Hibernation to put a tab (or group of tabs) to sleep until you need it.
How to control memory usage in Vivaldi

Search the web your way
Powerful search options let you find what you're looking for in your own way. Switch engines on the fly using nicknames. Set custom search engines for your favorite wikis. There’s a huge amount of flexibility to explore.
Learn more about Search

Add any site to your side bar
Web Panels make checking your favorite chat apps, social feeds and wikis a breeze. Add as many as you like. Rearrange them with drag 'n' drop. You can even open a specific panel using custom shortcuts.
How to add a Web Panel

Play our built-in arcade game
Vivaldia is an 80s arcade-style game built into the browser. You can play it on your Windows, Mac, and Linux computers as well as on Android devices.

Browse results quicker
Jump to the next page in a sequence or back to the first page you’ve visited at a site in a single click. Fast Forward and Rewind are great for navigating through search results.
See more Navigation features

Navigate with a flick of the wrist
Vivaldi comes with fully-featured Mouse Gesture support. You can edit the default gestures, add your own, and even adjust the sensitivity to match your browsing style.
Find out more about Mouse Gestures

Pop-out Video
Watch HTML5 videos in a floating window popup while continuing to browse as normal. Right-click on a video and select “Picture-in-Picture” to try it out. For some sites, like YouTube, this works with a double right-click.

Once you start digging into the different ways of using Vivaldi, you'll find a level of fine-grained control you won't find elsewhere.
Scott Gilbertson Ars Technica