Dia
Dia is a web browser for macOS that combines standard browsing with built-in AI tools for reading, searching, and organizing online work.
What is Dia?
Dia is a macOS web browser from The Browser Company of New York Inc. designed to help people browse the web while using built-in AI features in the same workspace. It is aimed at users who spend much of their day in web apps, documents, email, calendars, and team tools, and want faster ways to gather context without constantly switching tabs. Dia can summarize information, answer questions using open tabs and connected tools, and provide features such as a Morning Brief to surface important items at the start of the day. It also includes native ad blocking and is built on Chromium, so it follows the familiar browser model while adding AI-assisted workflows. For many users, its main role is to combine browsing, research, and work coordination in one app.
Key features
- Browse websites with a Chromium-based browser.
- Summarize information from tabs and web content inside the browser.
- Ask questions using context from open tabs and connected work tools.
- View a Morning Brief with items such as calendar, inbox, and key links.
- Organize related pages in the tab bar for work across multiple tools.
- Block ads by default with built-in privacy controls.
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Use with caution
Dia is a legitimate browser product, but it handles sensitive web activity and uses AI features that may process content from your tabs or connected services. That access is consistent with the app's purpose, yet it means you should review connected accounts, privacy settings, and any content-sharing options before using it for confidential work. The publisher states that some content data may be used to improve Dia by default and that this can be turned off in Settings. It is not presented as HIPAA-compliant, so avoid using it for regulated medical data or other highly sensitive material unless your organization has separately approved it.
Recommendation: Keep Dia if you actively use it as your main or secondary browser and want its built-in AI browsing features. If you installed it for a trial and no longer use it, removing it should mainly affect your access to its browser profile, saved settings, and Dia-specific workflows. Before relying on it for work, check its privacy controls, connected services, and whether your organization allows AI-assisted browsing tools.
Common paths
/Applications/Dia.app
Cache paths
~/Library/Caches/company.thebrowser.dia
Support paths
~/Library/Application Support/Dia
Preference paths
~/Library/Preferences/company.thebrowser.dia.plist
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