Paige is a free invoice and receipt maker for small sellers who sell in WhatsApp, Telegram and Signal. Type the customer, items and price, and send a clean invoice straight into the chat or save it as a PDF. No sign-up, data stays on your phone, 15 languages including Hindi, Swahili, Arabic, Hausa and Yoruba. Paige Pro adds a Who Owes Me list with polite reminders and payment QR codes.