Free Download

Download My API Sider

Install in under 2 minutes. Use your own API keys to chat with Claude, Gemini, GPT-4, DeepSeek and 20+ more AI models — completely free.

Recommended

Download ZIP File

Download the extension as a ZIP file and load it manually into Chrome using Developer Mode. Works instantly — no waiting for store approval.

Download ZIP File — Free

Chrome Web Store

Install directly from the official Chrome Web Store with one click — automatic updates and verified listing. Currently under review.

🚀 Coming Soon to Chrome Store

Current Version: 1.0.0  ·  Compatible: Chrome 114+  ·  Size: ~250KB  ·  No ads, no tracking

Method 1 — ZIP File

How to Install My API Sider
from ZIP File (Step-by-Step)

Follow these steps carefully. The whole process takes less than 2 minutes and requires no technical knowledge.

  • 1

    Download the ZIP File

    Click the "Download ZIP File" button above. This will open a Google Drive folder — click the download icon or select all files and download as ZIP. Save the ZIP file to your computer (e.g., Downloads folder).

  • 2

    Extract the ZIP File

    Right-click the downloaded ZIP file and select "Extract All" (Windows) or double-click to open (Mac). Extract the contents to a folder you can easily find, like your Desktop or Documents folder. You should see a folder called My API Sider.

  • 3

    Open Chrome Extensions Page

    Open Google Chrome. In the address bar, type chrome://extensions and press Enter. This opens Chrome's Extensions management page.

  • 4

    Enable Developer Mode

    In the top-right corner of the Extensions page, you will see a toggle labeled "Developer mode". Click it to turn it ON. New buttons will appear: "Load unpacked", "Pack extension", and "Update".

  • 5

    Load the Extension Folder

    Click the "Load unpacked" button. A file browser dialog will open. Navigate to the folder you extracted in Step 2 (the My API Sider folder). Select it and click "Select Folder" (Windows) or "Open" (Mac).

  • 6

    Pin the Extension to Your Toolbar

    The extension is now installed. Click the puzzle piece icon (🧩) in the Chrome toolbar to see all extensions. Find "My API Sider" and click the pin icon to add it to your toolbar for quick access.

  • 7

    Add Your API Key and Start Chatting

    Click the My API Sider icon in your toolbar. The chat panel opens. Click the Settings icon (⚙), then add a new API Profile. Choose your AI provider (e.g., OpenAI, Claude, Gemini), paste your API key, select a model, and save. You are now ready to chat!

Method 2 — Chrome Web Store

How to Install from the
Chrome Web Store

The Chrome Web Store version is currently under review and will be live soon. Once available, the process is even simpler:

🚀

Chrome Web Store listing is currently under review. In the meantime, use the ZIP file method above — it is equally safe, secure, and takes only 2 minutes. We will update this page when the store listing is live.

  • 1

    Visit the Chrome Web Store Listing

    Go to the Chrome Web Store and search for "My API Sider", or click the direct link we will provide once approved.

  • 2

    Click "Add to Chrome"

    On the extension's listing page, click the blue "Add to Chrome" button in the top-right corner.

  • 3

    Confirm the Installation

    A popup dialog will appear showing the permissions the extension requires. Click "Add extension" to confirm. Chrome will automatically download and install the extension.

  • 4

    Pin and Configure

    Click the puzzle piece icon in the toolbar, pin My API Sider, then click it to open. Add your API key in Settings and start chatting — the same as the ZIP method, just without the manual loading steps.

FAQ

Download & Installation Questions

Is it safe to load an unpacked Chrome extension?
Yes, if you trust the source. My API Sider's source code is open and transparent — you can inspect every file before loading it. The extension only requests permissions it genuinely needs (storage for chat history, host access to make API calls). Loading unpacked extensions is perfectly safe when the source is known and trusted, as is the case here.
Will my API key be shared with anyone when I use the extension?
Absolutely not. Your API keys are stored locally in Chrome's sandboxed extension storage and used only to make requests directly to your chosen AI provider. They are never sent to our servers — we do not have a server that receives your requests. The only entity that sees your API key in transit is the AI provider you are calling (e.g., OpenAI, Anthropic, Google).
What happens if I lose or delete the extension folder?
Your chat history and API profile data are stored in Chrome's local extension storage. If you delete and reinstall the extension, Chrome may clear this data depending on your Chrome profile settings. We recommend keeping your extension folder in a safe location and not deleting it unless you are intentionally uninstalling. Your API keys themselves (from providers like OpenAI) remain valid regardless — you would just need to re-enter them in a fresh installation.