Format and size of logo for JIRA Service Desk customer portal

[tash_macnica]

Which format and how much size of file can we use as logo for JIRA Service Desk customer portal?

I tried to set our company's logo of PNG as the custom logo, but a white space was appeared at the location.

[Girish.K]

You can add JPG,GIF,BMP & PNG type images.

1.jpg

You can select the area in the image by adjusting the sliding bar. 

The maximum allowed image size is 2000px * 2000px.

Maximum allowed size of image is 10MB.

[markea]

Is there any way to upload SVG icons? I noticed that the default icons are SVG files.

[Joe Frazier]

The favicon appears typically to the left of your browser's URL field, and on browser tabs displaying a page on your Jira site. To upload a favicon, make sure it's in PNG format, with dimensions of 32x32 pixels, 71x71 DPI, and with 8-bit color depth.

See here: https://confluence.atlassian.com/adminjiraserver/configuring-the-look-and-feel-of-your-jira-applications-938846975.html