Bring Your Own AI LLM to Chrome DevTools for enhanced debugging and page analysis. Connect to OpenRouter, OpenAI or Custom.

Latest Version

Version
1.0
Update
March 16, 2025
Size
45.13KiB
Developer
Category
Users
0
Rating
0 ★
Manifest Version
3
Web Store Status
Languages Support
English
See more
Permissions
Storage
SidePanel
Windows
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BYO LLM: DevTools Extension

Bring Your Own AI model directly into Chrome DevTools for smarter, faster web development and debugging.

1. Integration to OpenRouter.ai (Recommended), OpenAI, or Custom inference end point, instead of browser model lock-in.
2. In one click share the context of the page you are inspecting with the LLM to allow you to work with your AI model of choice.
3. Use any model you want, but some recommended models tested on OpenRouter:
- Deepseek-v3
- Deepseek-r1
- Llama 3.3
- Qwen QwQ 32b

Note: You'll need an API key from your chosen provider to use this extension. The extension does not include any built-in models or API keys.

Key Features:

🤖 AI-Powered Debugging
Get instant, intelligent assistance with troubleshooting web development issues. From CSS quirks to JavaScript errors, your AI assistant is there to help.
Particularly useful for interrogating or reverse engineering API calls.

🔗 Context-Aware Assistance
Share Elements and Network data directly with the AI for context-specific solutions tailored to your current debugging session.

🌐 Multi-Provider Support
Connect to your preferred AI provider:

• OpenRouter (access to 100+ models)
• OpenAI (GPT-3.5, GPT-4, etc.)
• Custom endpoints (bring your own model)

🚀 Real-Time Streaming
Get AI responses streamed in real-time for faster problem-solving and smoother workflows.

⚙️ Fully Customizable
Choose your preferred model, provider, and settings to create your perfect debugging assistant.

Why Developers Love BYO LLM: DevTools:

1 Flexibility - Use any model from any provider that supports the OpenAI API format
2 Integration - Works seamlessly within Chrome DevTools for context-aware assistance
3 Efficiency - Solve problems faster with AI-powered insights and suggestions
4 Customization - Tailor the experience to your specific needs and preferences
5 Privacy - You control where your data goes and which models you use

Use Cases:

• Debug complex JavaScript errors
• Get CSS layout suggestions
• Analyze network performance issues
• Understand console errors and warnings
• Get code optimization suggestions
• Learn best practices for web development

Bring Your Own Model, Your Way:

Whether you want to use cutting-edge models like GPT-4, open-source alternatives, or your own
custom-trained models, BYO LLM: DevTools gives you the flexibility to choose. Connect to OpenRouter for access to 100+ models, use OpenAI's powerful offerings, or bring your own custom endpoint.

Get Started Today:

1 Install the extension
2 Configure your preferred AI provider
3 Start debugging smarter with AI assistance
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "BYO LLM: DevTools", "version": "1.0","description": "Bring Your Own AI LLM to Chrome DevTools for enhanced debugging and page analysis. Connect to OpenRouter, OpenAI or Custom.", "side_panel": { "default_path": "index.html" }, "action": { "default_icon": { "128": "icons/icon-128.png" } }, "background": { "service_worker": "background.js" }, "permissions": ["storage", "sidePanel", "windows"], "devtools_page": "devtools.html", "host_permissions": [ "https://openrouter.ai/api/v1/auth/key", "https://openrouter.ai/api/v1/models", "https://openrouter.ai/api/v1/chat/completions", "https://api.openai.com/v1/models", "https://api.openai.com/v1/chat/completions", "http://localhost/api/v1/models", "https://localhost/api/v1/chat/completions" ], "minimum_chrome_version": "93", "icons": { "128": "icons/icon-128.png" }}
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How to download and manually install BYO LLM: DevTools extension for Chrome

Looking for a way to install BYO LLM: DevTools extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install BYO LLM: DevTools extensions manually, this article outlines two simple methods to effortlessly install BYO LLM: DevTools extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download BYO LLM: DevTools extension and manually install through Drag &Drop

If you ever need to manually install a BYO LLM: DevTools extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the BYO LLM: DevTools Extension by clicking the "Download CRX" button on the website.

Look for the BYO LLM: DevTools extension you wish to install. Go to the website and download the BYO LLM: DevTools extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for BYO LLM: DevTools extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the BYO LLM: DevTools extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download BYO LLM: DevTools extension for Chrome and install in Developer Mode

This is another method to install BYO LLM: DevTools extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the BYO LLM: DevTools extension file

Select and download the BYO LLM: DevTools extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the BYO LLM: DevTools extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your BYO LLM: DevTools extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the BYO LLM: DevTools extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install BYO LLM: DevTools extension in 2 ways. We hope this guide proves helpful.

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