Web designers lack the ability to directly manipulate, inspect, and experiment with live web pages without developer intervention or switching to DevTools. VisBug bridges the gap between design tools and the browser, letting designers work on the actual end-state of any page.

User clicks the extension icon or presses Alt+Shift+D to inject the VisBug toolbar into the current page. A <vis-bug> web component is prepended to the page body, providing design tool interactions. Users can then point, click, and manipulate elements, inspect styles, edit text/images, and use keyboard shortcuts similar to design tools. The toolbar can be toggled off via the same shortcut or context menu, which removes the component with an animation.

Target users: Web designers / UI/UX designers / Frontend developers / Content creators / QA testers

The main logic is in toolbar/bundle.min.js (318KB minified), which is too large to fully inspect, but all entry points and extension-authored code have been reviewed. No auth/payment patterns were found in the reviewed files and the extension's purpose and architecture are clear.
The extension website (visbug.web.app) may have additional context but was not analyzed as it's outside the extension package.

Monetization

No paid features detected

The extension is explicitly open source with no payment infrastructure. The only 'paid' keyword hits were false positives: 'pro' in base64-encoded verified_contents.json and minified bundle code, and 'license' in an MIT license comment for the bundled hotkeys-js library. No Stripe, billing APIs, upgrade prompts, subscription flows, or gated feature logic exists anywhere in the source.

Confidence: 97
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension operates entirely locally in the browser. It injects a <vis-bug> web component into the current page via chrome.scripting APIs. The 'storage' permission is used only for persisting color mode (hex/hsl/rgb) and color scheme (auto/light/dark) preferences locally. No authentication flows, account creation, tokens, or external service logins are present in any source file.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：activeTab、scripting、storage

Publisher

Patrick Kettner

Google Ireland, Ltd.

Email: [email protected]
Phone: +16502530000
Address: Gordon House Barrow Street Dublin 4 D04 E5W5 IE

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Permissions

Host access