Dia

Developed by The Browser Company, Dia is an AI browser that can read the context of calendars, emails, messages and tabs. It can generate morning briefings, cross-tool composite reports and slides, with privacy controls handed over to users.

AI Browser#AI Browser#Conversational Search#Local Execution

Updated: 2026-10-30

What is Dia?

Most people spend the first hour of their morning looking for things: checking the calendar to confirm how many meetings they have today, finding the attachment in the email from last night, and digging out the document from twenty tabs. What Dia wants to change is not browsing speed, but the "scattered context" - it organizes browser tabs, sessions and AI into an interconnected whole. The footer of the official website states that it is designed and developed by The Browser Company of New York, the same team that created Arc.

Who is it for?

People whose work information is scattered across multiple tools and who rely on searches to find records every day
People who have a main job, a side hustle, and personal accounts and need to separate contexts
People who attend meetings frequently and want pre-meeting materials to be ready automatically
Teams that are willing to hand over their workflows to tool integration

Key features

Understand content across tabs

This is its dividing line from regular browsers. The official website states that Dia reads between the tabs; it can find answers across GSuite, Teams, various tabs and connected tools, rather than just looking at your current page.

Morning Brief

The Morning Brief feature lays out your calendar, inbox, and key links, so you know what you're facing for the day before you head out.

Cross-tool Synthesis

Gathers information scattered across tools like Slack, Notion, and Teams and compiles it directly into a shareable report.

Profiles

Create separate profiles for work, freelancing, and personal life. Tabs, login statuses, and AI are isolated from each other, and you can switch contexts with a swipe.

Split Screen & Pre-Meeting Prep

It automatically opens the corresponding meeting page, agenda, notes and relevant documents for each call, with a lightweight countdown; the split-screen layout is remembered, and your preferred arrangement is restored with one click.

DECKS & Tab Organization

You can directly ask it to generate slides, which will automatically come with titles, layouts and narrative sequences; relevant tabs can also be grouped by naming, so what you see is "Design Review", "Q2 Planning" instead of a long list of unnamed pages.

How to use Dia

The difference between it and a regular browser lies in the integration of context, not faster rendering.
If you only use a single tool and have a simple purpose for browsing the internet, the benefits will be negligible.
only those who rely heavily on Slack, Notion, and GitHub will experience a transformative change.
Start with one or two tools you actually use every day.
The official website mentions that workspaces like GitHub and Notion can be organized into tabs, but too many connections will make the responses noisy.
The privacy switches are quite conservative by default on the page: tracker blocking enabled, ad blocking enabled, sharing content data disabled, personalized new conversations disabled, and memory enabled.
The official website states that data is not sold and not used for advertising profiling, and Sync is end-to-end encrypted.
However, you can adjust them yourself.
it's worth going through each item before connecting to company tools.
After generating reports and slides, manual verification of facts and figures is still required.
The AI is responsible for piecing together scattered information, but it does not guarantee the accuracy of every single point.
Currently, the official website indicates that it supports macOS and Windows and can be downloaded for free.
If you are used to other systems or rely on the browser plug-in ecosystem, you need to first confirm the scope of migration.
Dia for Work also provides SSO and employee management tools, which are designed for team scenarios.
It is advisable to plan together with administrator permissions before connecting.
Asking a question once to get answers across contexts is the core use case promoted on the official website.
developing the habit of asking a complete question in one go saves more time than repeatedly asking fragmented questions.