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Creating Your Own Extension

It can also be very useful for testing for you to have the ability to create your own extension. In the next chapter, there will be a more detailed discussion of the structure of extensions; for now, you can download an example at this link.

Installation​

First, go to chrome://extensions. Enable Developer Mode in the upper right corner. Developer Mode After that, a "Load Unpacked" button will appear; click on it and select the folder of the previously downloaded extension. Load Unpacked Congratulations, you have installed your first custom extension!