To change the charity's logo, go to the charity's personal area → edit charity page → charity details. Clicking on the gray button will give you the option to upload a new file.
The exact dimensions are 150×150 pixels.
It should be taken into account that the logo will change on the JGive website, but not on the receipts. In order to change the logo on the receipts, you must send the receipt company an updated logo measuring 150x150 and write to us - email@example.com
The email to be sent to is firstname.lastname@example.org
The name and number of the charity must be stated in your email.