Reference

The frame shape matters before the image ever reaches upload.

Thumbnail work is mostly about canvas shape, focal point, and readability at small sizes.

Useful for creators, editors, and upload workflows that repeat often.

Use the target frame early

A wide thumbnail frame changes the composition fast.

That makes early resizing a practical step, not just a finishing one.

Keep the focal point obvious

A thumbnail loses clarity quickly when the main subject is cropped badly.

That is why previewing the target frame matters.

Treat the thumbnail as part of the publishing workflow

The image is not separate from the title and description.

It belongs in the same pre-upload review loop.

FAQ

Quick answers for the spec or comparison layer.

Can I use JPG or PNG for this workflow?

Yes. Both are valid depending on the image and export goals.

Does the resizer create the design for me?

No. It prepares the asset for the target canvas.