ToolBirch

Image Merger

Join images side by side or stacked into one PNG.Image Tools

Image Merger

Join images side by side or stacked, scaled to a common height/width with an 8 px white gap. Output is PNG.

0 images · first column is the tallest/widest reference

About this tool

Two to ten images joined with an 8-pixel white gap, scaled to a common height or width. Output is a lossless PNG.

How to use the Image Merger tool

  1. Add the images. 2 to 10 files; order follows the file list.
  2. Pick the direction. Horizontal or vertical.
  3. Merge and download. One PNG, sized to fit everything.

Supported formats

Input

  • Plain text or file input

Output

  • Converted or analysed output

Inputs are validated before anything is processed. Invalid values and unsupported files are rejected with a clear error instead of failing silently.

Frequently asked questions

How are sizes reconciled?

Every image is scaled to match the tallest or widest sibling, keeping proportions.

What fills the background?

White, so transparent sources composite predictably.

Can I control the gap?

Fixed at 8 pixels in this release.

Privacy

Everything you enter stays in this browser tab. There is no upload endpoint for tool inputs, no account, and no server-side copy of your text or files. Results are produced locally and disappear when you close the page.

No account is required and no file is ever uploaded. See the privacy policy for details about analytics and the limited data this site stores.

Known limitations

  • No per-image alignment controls.

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