By default, a new OAuth App will have an automatically generated identicon. An identicon badge looks something like this:
![]()
After you create an OAuth App, you can customize the app's badge by uploading a logo and selecting a background color. A badge is a square logo image inside of a circular badge. You can choose a background color for the badge, which can be used to visually distinguish your app.
Your logo should be a PNG, JPG, or GIF file under 1 MB in size. For the best quality rendering, we recommend an image size of at least 200px x 200px. See "Tips for logo and badge images" for more guidance on customizing badges.
You can change a custom badge for a GitHub App that already has an approved Marketplace listing by navigating to https://github.com/marketplace/manage.
To create a custom badge:
- 任意のページの右上で、プロフィール画像をクリックし、続いてSettings(設定)をクリックしてください。
![ユーザバーの [Settings(設定)] アイコン](https://web.archive.org/web/20201019112510im_/https://docs.github.com/assets/images/settings/userbar-account-settings_post2dot12.png)
- 左サイドバーで [Developer settings] をクリックします。

- In the left sidebar, click OAuth Apps.

- Select the OAuth App you want to modify.

- In "Application logo", drag-and-drop an image from a local folder or click Upload new logo to select an image from your computer.

- 画像をクロッピングします。 When you're done, click Set new application logo.

- In "Badge background color", type the hexadecimal color code of the background color for your badge.
Note: The "Badge background color" input field will be visible after an application logo has been uploaded.

- Click Update application.

次のステップ
For more information about creating a Marketplace listing for this app, see "Listing on GitHub Marketplace".

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