Mockya

Mockya is a browser-based studio that puts a screen recording inside a realistic device frame - an iPhone, iPad, MacBook, Android phone, desktop display or browser window - and exports it as MP4, WebM, GIF or PNG in several social sizes at once. Files never leave your computer, and exports carry no watermark.

Drop in a screen recording, pick a device and an angle, and export every size you need. No timeline, no watermark, and it all runs in your browser.