Contact

A person reads every message.

Riffle is a small shop, so your email goes to someone who can actually fix things.

Email us support@riffleflipbook.app
Write an email

Before you write

What helps us help you

For a build question: which page you were on, your browser, and roughly what the PDF is like (pages, size). We never see your document, that is the whole point, so describing it is genuinely useful.

Purchase or license questions

Include the email address you used at checkout. Never send the key itself or your card details.