NNTools
← All tools

Image Stitch

Combine multiple local images into one downloadable PNG in your browser.

◉ Files stay on this device
  1. 01Import
  2. 02Adjust & preview
  3. 03Download
Drop images here

or paste a screenshot while this area is focused

PNG, JPG, WebP, GIF · up to 30 MB each. GIF: first frame only.

Preview

Offline only: no upload, no server processing, no image storage.

Choose at least two images to preview the stitched result.

How to use this tool

  1. Choose several images to combine.
  2. Select horizontal or vertical stitching and review their order and preview.
  3. Download the combined PNG.

Can I combine screenshots into a long image?

Use vertical stitching to combine screenshots into one PNG. Check the order before exporting. Processing happens in your browser, and large inputs may use substantial memory.