Crypto Address Visualizer

Crypto Address Visualizer is a browser extension that gives you extra confidence when copy-pasting crypto wallet addresses between online crypto services by enabling you to compare addresses visually with images and checksums.

Installation

Install the extension for your browser:

Chrome: Install extension
Edge: Support coming soon
Brave: Support coming soon
Vivaldi: Support coming soon
Opera: Support coming soon
Firefox: Support coming when Firefox supports Manifest v3

Quick Start

1. Select your crypto wallet address text on any website

2. Right-click and select Crypto Address Visualizer

3. Repeat across websites and compare images and checksums to ensure addresses are the same

When comparing visualizations, everything should be identical, though hosts can be different if the addresses are on different websites.

Privacy & Security

The following steps have been taken to maximize privacy and security when using Crypto Address Visualizer:

This extension is fully open source

The full source code for this extension is available in the crypto-address-visualizer repository.
This extension cannot make external requests

Due to a very strict content security policy, this extension cannot make external requests, so it cannot send information to or receive information from any external service. See content_security_policy in manifest.json.
This extension only requires one single permission

Browser extensions must declare all permissions necessary to function. This extension only requires the contextMenus permission, meaning its scope and capabilities are extremely limited. See permissions in manifest.json.
This extension cannot read or edit content on any page

Related to the previous point, due to permissions limitations, this extension cannot read or edit content on any page you visit. It has no access to your user profile or any of your personal data, public or private. It has no access to your clipboard.

It only has access to the text you select and provide to it through the context menu.
This extension has zero tracking, zero analytics, and zero cookies

No Google Analytics. No social media tracking. No marketing pixels. Nothing.
This extension runs fully offline

This extension is offline enabled and does not need internet connectivity to function. See offline_enabled in manifest.json.
This extension does not store any data

This extension does not use local storage or extension storage of any kind. Nothing is saved to or loaded from disk. This extension operates entirely in memory.
This extension does not import any external assets at runtime

All assets (HTML, CSS, JavaScript, images) are packaged and included with the extension at the time of publishing. No external assets are requested or included at runtime.

For visualization, parts of the following libraries are copied and packaged with this extension: emn178/js-sha3, emn178/js-crc, dmester/jdenticon, stewartlord/identicon.js, download13/blockies, and davidshimjs/qrcodejs.
All loaded assets have subresource integrity checksums

All assets loaded in the visualizer are protected with subresource integrity to ensure they were not manipulated or tampered with between development, packaging, distribution, installation, and runtime. See the integrity attributes in visualizer.html for details.