Favicon Changer Edge extension security report

Favicon Changer is a versatile customization tool for Chromium-based browsers that allows you to replace website icons (favicons) with images of your choice. Whether you want to replace missing icons on old favorites or provide a uniform look across your entire browsing session, this extension makes it possible by using a combination of content-script injection and background-header modification to ensure your custom icons appear even on sites with strict security policies. 📖 USAGE 1. Select a target: Open the website or specific page you want to modify. 2. Access the tool: Click the extension icon in your browser's toolbar to open the popup. 3. Provide an image: ◦ Remote: Paste a direct link to an image (URL) into the text box and click the "Test" button. ◦ Local: Click the "Browse…" button to select an image file from your computer. 4. Set the scope: ◦ Choose "Single Page" to change the icon only for the exact URL you are on. ◦ Choose "Entire Site" to apply the icon to every page on that domain. 5. Apply: Click the "Apply" button. The tab will update, and the change will be saved to the extension's internal storage. 6. Advanced options: Right-click the extension icon and select "Extension Options" to set common icons for all websites or to manage/delete your existing entries. ✨ FEATURES • Flexible scoping — Target specific pages, entire domains, or set a common icon for every site you visit. • Missing icon filler — Automatically detects sites without favicons and applies a default custom icon of your choice. • Local image support — Upload files directly; the extension can convert them into optimized 16×16 PNGs to save browser storage space. • Bookmark synchronization — Automatically refreshes bookmark icons by processing URLs in a non-focused background window, using a tiered concurrency system to ensure stability. • Visual customization — Includes UI themes and multi-language support. • Storage management — A detailed dashboard shows image dimensions, source types, and the exact storage size consumed by each entry. • Backup and Restore — Export or import all your settings and custom icons with a single click to make it easy to migrate between devices or profiles. ⚠️ LIMITATIONS • Supported file types: Works with any browser-compatible format, including ICO, PNG, APNG, AVIF, SVG, WEBP, JPG/JPEG, and BMP. ◦ Note: While GIFs are supported, they will generally appear as a static image (first frame). • Local file limit: Local uploads are limited to 2 MB to prevent browser performance issues. • System compatibility: Fully compatible with Windows, macOS, and Linux, as it runs within the browser environment. • Permissions: To change icons on local files (e.g., file:///), you must manually enable "Allow access to file URLs" in the browser's extension settings. • The extension cannot modify icons on internal browser pages (such as settings, history, or browser web stores) or the browser's extension store due to built-in browser security restrictions. • Technical limitation: The extension utilizes Real-time Mutation Observers to detect and immediately revert unauthorized icon changes by the website, ensuring your custom favicon remains active. 🛡️ PRIVACY & PERMISSIONS Favicon Changer does not collect, store, or share any personal information, browsing history, or user data. All processes run strictly locally on your device. To function correctly, the extension requires the following permissions: • Alarms (alarms) — Used to ensure the stability and automatic recovery of background synchronization processes. • Bookmark Management (bookmarks) — Required to automatically synchronize your custom icons with your browser bookmarks. • Modify Security Headers (declarativeNetRequest) — Used strictly to allow custom icons to display on high-security websites where they would otherwise be blocked. • Downloads (downloads) — Necessary to allow you to export your configuration and custom icons to a local backup file via the File Explorer. • Icon Access (favicon) — Used to retrieve original website icons through the browser's native API. • Offscreen Documents (offscreen) — Used to process image rendering and analyze transparency in an isolated environment. • Local Storage (storage) — Allows saving your preferences and extension configuration on your local device. • Tab Management (tabs) — Required to identify the active page to apply the corresponding custom favicon. • Unlimited Storage (unlimitedStorage) — Ensures that even users with thousands of bookmarks can preserve their high-quality icons without data loss or storage limit issues. • Website Access (host_permissions) — Necessary to apply your custom favicons to the specific pages or sites you choose to customize. 🗒️ CREDITS Based on the original work of Maxximum Creations and developed using AI.