Add a professional touch to your invoices by uploading the logo of your business to be applied automatically on every invoice you create.
To upload your logo, go to 'Settings > Business Information '. Under 'Tell us about your business' at the top, you'll see an option to upload your logo:

The optimal dimensions for a logo image are (based on specific invoice templates):
Blocks:
400x300 it can also be used 500x375
Full screen:
794x276 it can also be used 900x312
All other invoice templates:
400 x 400 are optimalĀ