Install the UP Browser Extension
The UP Browser Extenstion is a ALPHA DEVELOPER PREVIEW. This is not intended to be used by non developers. And DO NOT use this in production! The current UP Browser Extenstion deploys profiles on the Testnet.
If you have MetaMask installed, right click on both MetaMask and UP Extension and select "This Can Read and Change Site Data > When you Click the Extension". Then you you can select for every website which extension you use. By closing the tab you can reset this selection.

This guide will teach you how to download and install the Universal Profile browser extension on Chrome, Edge, Opera, or Brave.
You can test the browser extension with the following example dApps (Or any other dApp, that runs on the Testnet):
Projects built by the LUKSO community:
- lookso.io - A decentralized social feed geared towards Universal Profiles and the LUKSO blockchain
- universal.page - Create a customizable website to showcase and sell digital assets on LUKSO.
- relayer-frontend.vercel.app - A relayer that lets you used your staking rewards to pay for your transaction fees.
- marble.cool - A LUKSO-native wallet.
Download the extension
Click on link below to download the extension, based on the browser to which you want to install it.
📥 Download link (v1.2.1.1-MV2) (All other browsers)
📥 Download link (v1.2.1.1-MV3) (Chrome)
Unpack the archive
Open your download folder and unpack the ZIP archive by opening the file.
Install the extension
- Chrome
- Edge
- Opera
- Brave
- Firefox
1. Open the extension page in your browser.
- Using Settings
- Using Menu Bar
- Using URL
Type chrome://extensions
into the searchbar to open the extension page.
2. Enable the browser's developer mode.
3. Load the extension from the folder.
Click Load unpacked pointing to the extracted ZIP archive of the extension.
4. Pin the extension.
Pin the extension to the extension bar and click on the icon to open it up.
5. Launch the extension.
Open the extension by clicking its icon from the menu bar.
1. Open the extension page in your browser.
- Using Settings
- Using Menu Bar
- Using URL
Type edge://extensions
into the searchbar to open the extension page.
2. Enable the browser's developer mode.
On the left side, turn the Developer mode slider to the right side.
3. Load the extension from the folder.
Click Load unpacked pointing to the extracted ZIP archive of the extension.
4. Launch the extension.
Click on the extension icon.
1. Open the extension page in your browser.
- Using Shortcut
- Using Menu Bar
- Using URL
Press and hold cmd+shift+e
or ctrl+shift+e
on your keyboard.
Type opera://extensions
into the searchbar to open the extension page.
2. Enable the browser's developer mode.
3. Load the extension from the folder.
Click Load unpacked pointing to the extracted ZIP archive of the extension.
4. Pin the extension.
Pin the extension through the extension icon.
5. Launch the extension.
Open the extension by clicking its icon from the menu bar.
1. Open the extension page in your browser.
- Using Settings
- Using Menu Bar
- Using URL
Type brave://extensions
into the searchbar to open the extension page.
2. Enable the browser's developer mode.
3. Load the extension from the folder.
Click Load unpacked pointing to the extracted ZIP archive of the extension.
4. Pin the extension.
Pin the extension through the extension icon.
5. Launch the extension.
Open the extension by clicking its icon from the menu bar.
This installation process is for Firefox Developer Edition (or Firefox Nightly) only, as the standard Firefox only allows the installation of temporary developer add-ons.
1. Disable requiring xpi signature
Type about://config
into the searchbar to open the configuration page.
Click Accept Risk and Continue when promped with Proceed with Caution warning.
Next, set the xpinstall.signatures.required
to false.
2. Open the addons section
- Using Menu Bar
- Using URL
Type about://addons
into the searchbar to open the extension page.
3. Load the extension from the zip file
Click on the settings wheel and then click on Install Add-on From File pointing to the ZIP archive of the extension.
Click Add when prompted with a question to add the unverified extension.
4. Launch the extension
Open the extension by clicking its icon from the menu bar.