> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.cal.id/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Customize Your Brand Logo and Favicon in Cal ID

The **Custom brand logo and favicon** section replaces Cal ID branding with your own logo and browser icon.

| Upload your logo and favicon

1. Log in to Cal ID.
2. Click the **Settings** icon in the left sidebar.
3. Open **Custom Branding**.
4. Scroll to the bottom and switch **Custom brand logo and favicon** **ON**.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_4nmz93.png =1146x615)

5. **Logo:** click **Upload logo** and select a **600 × 400 px** image.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_1jqq4zg.png =1148x615)

6. **Favicon:** click **Upload favicon** and select an icon file (under **1 MB**).

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_1pa5602.png =1148x615)

7. Click **Update** to apply.

| What changes

* **Booking page:** your logo appears at the bottom of the booking interface, replacing the default branding.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_ott7s7.png =1148x615)

* **Browser tab:** your favicon shows in the tab when a guest opens your booking link.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/f/1/c/6f1c2c7b8034d000/image_159bp9q.png =1092x615)

| 💡 Tip

Use a transparent-background PNG for your logo so it looks natural in both **Light** and **Dark** mode.