Is the Seamless Pattern Checker free to use?

Yes. ToolsTab lets you upload or paste an image and instantly repeat it across the page to check seams for free.

How do I check if my image tiles seamlessly?

Upload, drag & drop, or paste an image. The tool repeats it across the page. Use the Zoom slider to make seams easier to spot.

Yes. You can use the Paste button or press Ctrl+V (Windows) / Cmd+V (Mac) to paste an image from your clipboard (browser support may vary).

No. This checker runs in your browser and uses the image locally to render a repeated background for preview.

Tip: You can also press Ctrl+V (Windows) / Cmd+V (Mac) to paste an image.

Drop your image anywhere

It will instantly repeat across the full page.