ThumbnailMakerr

Thumbnails decide whether a video gets clicked. ThumbnailMakerr is an AI thumbnail maker that generates, recreates and tests YouTube thumbnails in seconds, built around the goal of higher click-through rates.

You describe the image you want in text and the AI thumbnail generator produces it, so you can skip a round of manual editing in a design app.

A face swap feature covers reaction shots and collaboration videos, where you need a particular person's face in the frame.

A style recreation tool lets you match the look of established channels, and the example given is MrBeast.

That is handy if you want a familiar visual language, though you should be careful to make the result your own rather than a copy.

The preview tool shows how a thumbnail appears across different devices.

Small phone screens and wide desktop layouts crop and shrink images differently, so checking before you publish is a sensible habit.

ThumbnailMakerr focuses on YouTube only, which keeps it simple but means it is not a general image editor.