Question 1

Is my invoice data sent to a server?

Accepted Answer

No. Invoice Studio is 100% client-side — everything is generated and saved in your browser. Your documents never leave your device.

Question 2

Does it work offline?

Accepted Answer

Yes. Once installed as a PWA, Invoice Studio works fully offline. Saved documents are stored locally in your browser via IndexedDB.

Question 3

Can I create quotes and receipts too?

Accepted Answer

Yes. One shared editor handles invoices, quotes, and receipts — switch the document type at any time.

Question 4

Does it support HKD and other currencies?

Accepted Answer

Yes. Choose from many currencies including HKD, USD, EUR, GBP, CNY, JPY and more. Formatting follows the selected currency's locale.