AI YouTube Thumbnail Maker
Make click-worthy YouTube thumbnails with AI
Thumbnails decide who clicks. Nox AI generates eye-catching thumbnail backgrounds, renders crisp legible headline text with Ideogram, lets you cut and replace backgrounds, and reframes any image to a perfect 16:9. Iterate on variations fast and pick the one that pops in the feed.
Readable text
Ideogram renders sharp, legible headline text right in the image — no separate design step.
Bold backgrounds
Generate dramatic, high-contrast scenes that stand out in search and suggested feeds.
Perfect 16:9
Reframe and outpaint any image to a clean 1280x720-friendly 16:9 thumbnail.
Best models for this
Which models to use — and why
Nox AI gives you a choice of top models. Here's what we'd reach for on this use case.
Ideogram v3
ImageRenders bold, legible title text right in the thumbnail.
FLUX Pro
ImageDramatic, high-contrast backgrounds that pop in the feed.
Reframe / Outpaint
EditingExpands any image to a clean 16:9 thumbnail.
Frequently asked questions
Can it put my face on the thumbnail?
Yes. Upload your photo, remove or replace the background, and composite it into a generated scene.
Can it write the title text?
Yes. Ideogram is built for crisp in-image text, so your headline stays sharp and readable.
What size are the thumbnails?
Generate and reframe to 16:9, ideal for YouTube's 1280x720 thumbnail spec.