Hey StartupBase! 👋 We built PostMock because content creators kept asking for a simple way to make realistic fake chat screenshots — without watermarks, without signing up, without any hassle.
PostMock lets you create iMessage, WhatsApp, Discord, Twitter/X, Instagram DMs, Tinder, and more in seconds. Just type your fake conversation, pick the style, and download a clean PNG.
Free forever. No signup. No watermark. Try it at postmock.com!
Welcome to StartupBase
Join a community of founders sharing their products and discovering what others
are building.
Email sign-in is for existing accounts. New here? Use Google, LinkedIn, or X above
— your account is created automatically.
Continue with email
Enter the email address on your existing account and we'll send you a one-time
sign-in code. This does not create an account — to sign up, go back and
continue with Google, LinkedIn, or X.
Enter the verification code we sent to your email address.
Continue with Google
Continue with LinkedIn
Continue with X
Hey StartupBase! 👋 We built PostMock because content creators kept asking for a simple way to make realistic fake chat screenshots — without watermarks, without signing up, without any hassle.
PostMock lets you create iMessage, WhatsApp, Discord, Twitter/X, Instagram DMs, Tinder, and more in seconds. Just type your fake conversation, pick the style, and download a clean PNG.
Free forever. No signup. No watermark. Try it at postmock.com!