Is the file uploaded when merging?

No. The merge happens locally in your browser.

Does it support a nine-grid?

Yes — the grid layout arranges images in rows and columns.

Merging covers horizontal, vertical and grid layouts; the long-image tool is better for vertical WeChat posts.

Merge images horizontally, vertically or in a grid, with reordering — processed locally, nothing uploaded.

100% browser-based · files never uploaded

Drag images here, or click to choose

Up to 50MB each · max 20 images · processed locally

Layout

Alignment

Gap

Background colour

🔒 Your files never leave your browser

Is the file uploaded when merging?: No. The merge happens locally in your browser.
Does it support a nine-grid?: Yes — the grid layout arranges images in rows and columns.
How is it different from a long image?: Merging covers horizontal, vertical and grid layouts; the long-image tool is better for vertical WeChat posts.