Send professional invoices without leaving Gmail. There’s no subscription fee and it works for anybody (even if you’re not using QuickBooks). Just open any existing email and look for the grey QuickBooks logo -- it’s way over on the right side.

Spend more time making money and less time tracking it with the only invoicing solution that helps you do both.

CREATE INVOICES RIGHT IN GMAIL 
Send professional invoices with your logo, business details, and more.
  
GIVE YOUR CUSTOMERS A WAY TO PAY ONLINE
Let customers pay you online with credit cards and bank transfers.  

SEE ALL YOUR INVOICE DETAILS IN ONE PLACE
Know which invoices need your attention, what’s been paid, and if your money is in the bank. 

FAQs:
1. I installed the add-on but I can't find it. How do I check if it's installed?
Try refreshing your browser and opening an email thread. Then, select the QuickBooks logo (it’s all the way on the right side of your screen) and either sign up or connect to your QuickBooks account. 
2. Have questions or issues? 
See all our FAQs here: 
FAQs for existing QuickBooks Online users - https://community.intuit.com/articles/1630575
FAQs for new users - https://community.intuit.com/articles/1630577 

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Other details to keep in mind
1. To use QuickBooks Invoicing for Gmail, you need to create a free Intuit user ID or sign in with your existing user ID for QuickBooks Online, TurboTax, Mint, or any other Intuit product. 
2. Does not work with QuickBooks Self-Employed or QuickBooks Desktop.
3. There are no monthly charges for QuickBooks Invoicing for Gmail.
4. All online payments are processed through a payments account (powered by Stripe or QuickBooks). There are no monthly charges for the payments account, but a per transaction fee may be required for online payments.