Every article, annotated in real time.
Community Notes for the whole web. Land on any article and you're in a room with people fact-checking it live — sources, context, the parts the headline left out.
Free. iOS + Chrome. Android coming soon.
The news was meant to be read together.
With receipts.
News is social.
Reading alone isn't.
We react together. We fact-check apart. Basement changes that.
Download for free
Browse Together
Every page is a live room. Chat with anyone browsing the same site.
Shared Memory
Every room builds a group brain. Learn from what your crew finds, shares, and saves — across every page.
React on the Page
Drop reactions, notes, and receipts directly on the page. Your crew sees it instantly.
ContextRoom, but powered by Basement
Same browser, reframed for your crew. Install once — every niche room comes with it.
Pick up where you left
off, on any device.
Your ContextRoom syncs instantly across
Mac, Windows, and iOS
Being social and
decisive is possible.
Scan this QR code with your phone
to download Basement.Download Basement and get started.
Coming Soon
IRL Stickers
Every person, place, and thing gets a Basement too.
Stick a ContextRoom sticker anywhere in the world
and start a room on the spot.
ContextRoom — frequently asked
ContextRoom is Basement for news and misinformation. Basement is a multiplayer browser that turns every webpage into a live chat room. Open any article — NYT, Fox, a Substack, a viral tweet — and you're in a room with other people fact-checking, sourcing, and adding context in real time.