Dex by Thirdlayer
Chrome extension AI workspace that manages tasks across tabs and apps — schedules meetings, analyzes data, writes emails
| What is it | Chrome extension AI workspace that manages tasks across tabs and apps — schedules meetings, analyzes data, writes emails |
|---|---|
| Pricing | Freemium |
| Free tier | Yes |
| Platform | Chrome Extension |
| Best for | scheduling meetings without back-and-forth emails, building lead lists from LinkedIn profiles |
| Domain registered | 2020 |
Data updated Aug. 1, 2026
What does Dex by Thirdlayer do?
Dex by Thirdlayer is a Chrome extension that transforms your browser into an intelligent workspace. It acts as a second brain that understands your tasks, context, and workflow across all your tabs and connected applications. The tool integrates with 14+ popular apps including Google Calendar, Notion, Slack, and Google Sheets, allowing it to operate seamlessly across your entire digital workspace.
What makes Dex by Thirdlayer stand out is its ability to predict and execute your next steps before you ask. It surfaces relevant information automatically, manages tasks across different applications, and maintains AI-powered notes that stay connected to their original context. The system learns from your interactions, remembering your preferences and work patterns to provide increasingly helpful assistance over time.
Knowledge workers, professionals, and students who spend significant time in their browsers will benefit most from Dex by Thirdlayer. Real-world use cases include automatically scheduling meetings by finding mutual availability, scraping LinkedIn profiles to build lead lists in Google Sheets, and sending personalized mass emails by pulling recipient data from spreadsheets. It's particularly valuable for anyone who juggles multiple apps and needs to reduce context switching throughout their workday.
Key features
What makes it stand outWho is Dex by Thirdlayer for?
Who benefits most from this toolTrust & presence
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