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Arc Browser Shuts Down December 22 as The Browser Company Moves Security Work to Dia

New Arc accounts are already closed, Arc Search loses its AI features on November 23, and Dia's importer carries over Spaces, pinned tabs, passwords and extensions.

Dia browser showing the Make The Most Of Your Browsing History skill pack with daily-wrap and weekly cards
Dia · Credit: The Browser Company

The Browser Company will shut down its Arc browser on December 22, 2026. From that day Arc for macOS and Windows stops opening, sign-in ends and every Arc account is deactivated. The company gives security as the reason: keeping a browser safe has become harder in the age of AI, and its security team is concentrating on Dia, the newer browser it says was built from the ground up against modern attacks.

DateWhat changes
October 22New Arc accounts can no longer be created
November 23AI features, sign-in and sync end in Arc Search on iOS and Android; desktop Arc starts showing sunset reminders
December 15Last day to request a copy of Arc account data or ask for its deletion
December 22Desktop Arc stops working, accounts are deactivated and Arc Search leaves the Google Play Store

Phones fare differently from desktops. Arc Search for iOS keeps working as an ordinary mobile browser after the cutoff, minus the AI features and sync. The Android version loses the same features on November 23, and on December 22 it is pulled from Google Play and removed from the devices where it is installed. Until the cutoff, desktop Arc still receives its usual basic updates and fixes, and support still helps with technical issues and account requests. The company is looking only into larger problems that affect many users, such as Arc crashing or not opening, and is no longer fixing smaller bugs or taking feedback and feature requests.

The company is steering Arc users to Dia. Its setup offers an import from Arc that carries over Spaces, Favorites, pinned tabs and folders, plus bookmarks, history, passwords and extensions, on both macOS and Windows. Dia handles Spaces as Profiles that a user can swipe between and set to share data or stay separate. Two things do not make the move. Easels live with the Arc account and do not come over to Dia, and Boosts cannot be exported at all, according to the company's export guide. An Easel can be saved as a PNG through the Share icon before the deadline.

For any other browser, Arc offers an export instead. It is a Markdown file named Arc Data Export.md, a list of links grouped by Space rather than a bookmarks file, so the links have to be opened or bookmarked by hand in the new browser.

A data request covers Arc account details and a record of how it was used, not browsing data on the device, because the company has no access to history or passwords stored locally. Once an account is deactivated, the company deletes its personal data within 30 days and can no longer retrieve it for data requests.

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Isabella Conti

Isabella Conti is a news-desk byline at techshooked for general technology news, from product launches to industry shifts, written for readers who follow the field without working in it. Briefs under this name explain plainly why a development matters and who it affects, with terms defined where they first appear and the primary announcement linked.