All Ad Specs

About All Ad Specs

All Ad Specs is a free reference directory for marketers, media buyers and creative teams who need exact digital ad requirements. It collects formats from 36 publishers and platforms, including social, video, retail-media and display networks, in one place so specs can be compared side by side.

Each entry lists details such as pixel dimensions, aspect ratios, orientation, maximum file size, accepted file types, codecs where relevant, safe zones and copy character limits. Users can filter by publisher, media type and sort order, and the site links each spec back to the publisher's official documentation.

Unlike a single platform's help center, which covers one network at a time, All Ad Specs gathers the documented formats across many publishers into one searchable, free tool that requires no signup.