Is the Thumbnail Maker free to use?

Yes. ToolsTab Thumbnail Maker is free to use and lets you download the result instantly.

Can I create thumbnails in bulk?

Yes. Upload multiple images and download a ZIP containing all generated thumbnails.

Safe margins shrink the usable area so key content stays away from edges and platform UI overlays.

Yes. Enable subject stroke for an outline and enable text overlay to add outlined text on top.

Custom size (px)

Stroke color

Stroke width

This adds a clean border around the placed image.

Text

Position

Text color

Text size (8%)

Text outline color

Text outline width

Text Y offset (px)

Positive moves text inward from the edge.