Error: Grammarly is active, but key features are missing – Grammarly Support

Note: If you’ve activated Superhuman Go, you’ll see the Superhuman logo or tab instead of the Grammarly ones. Grammarly is now part of Superhuman. Learn more in this article: Becoming Superhuman

Here’s what Grammarly (first image) and Superhuman Go (second image) look like in your browser:

To resolve this issue, follow the instructions below:

Chrome

Firefox

Edge

If you are logged in to your Grammarly account at https://app.grammarly.com, but the issue persists, right-click the G icon in the browser's toolbar, click This Can Read and Change Site Data, and check the box next to On All Sites:

Then, please restart your browser and check if the issue persists.

Step 1: Sign out of the Grammarly Editor:

Go to https://app.grammarly.com and click Sign Out in the left-side panel

Step 2: Clear Grammarly cookies:

Copy-paste this line into the Firefox address bar: about:preferences#privacy
Locate the Cookies and Site Data section and click Manage Browsing Data
In the Search websites field, type Grammarly
Click Remove All Shown, then click Save Changes and OK if prompted

Step 3: Allow cookies for Grammarly specifically:

Open https://www.grammarly.com
Click the lock icon in the address bar
Select Connection Secure → More Information
Under Permissions, ensure that:
1. Set Cookies is set to Allow (uncheck the Use Default option and set it to Allow)
2. Store data in persistent storage is also set to Allow.
  
  This allows Grammarly to keep your sign-in data available to the extension without changing Firefox’s global privacy settings.

Step 4: Sign back in to Grammarly:

Open any other webpage (e.g., translate.google.com) and click the Grammarly browser extension icon in your browser's toolbar
In the pop-up that opens next, click Sign in
Use the appropriate sign-in option to log in to your account.
Restart your browser.

If you are logged in to your Grammarly account at https://app.grammarly.com, but the issue persists, right-click the G icon in your browser's toolbar, click This Can Read and Change Site Data, and check the box next to On All Sites:

Then, please restart your browser and check if the issue persists.