Nirmion
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Image Tools / Local studio

Screenshot Stitcher

Join two to nine screenshots into one ordered vertical PNG with adjustable spacing between each selected image.

Runs locallyNo image upload to Nirmion

Step 1 / Source

Choose one image

JPEG · PNG · WebP · 20 MB

Drop your images here

Or browse for two to 9 authorised JPEG, PNG, or WebP images in output order.

Up to 9 files · 20 MB each · browser processed

Step 2 / Output

Screenshot Stitcher controls

Configure a vertical screenshot sequence. Processing remains inside this browser tab.

Create a stitched PNGOverlapping areas are not detected or removed automatically. The original device file is never changed.
Keep this page open until the download begins.
01No server upload

The selected image is decoded and re-encoded inside this browser tab.

02Working copy released

After download, the preview URL, decoded bitmap, canvas, and selected source reference are cleared.

03Your download remains

Nirmion cannot remove the finished file from your device or browser download history.

Workflow guide

A deliberate screenshot stitcher workflow

Join two to nine screenshots into one ordered vertical PNG with adjustable spacing between each selected image. Review the final result rather than relying only on the settings.
A

What you need

Choose one still JPEG, PNG, or WebP file up to 20 MB. Use a clean, high-quality source you are authorised to edit.

B

Social-ready choices

Overlapping areas are not detected or removed automatically. Check faces, text, logos, overlays, and the destination platform before publishing.

C

What you receive

Receive a stitched PNG. The selected source and temporary decoding memory are released after processing.

Decision guide

Decide when to stitch and when to preserve the source

Screenshot Stitcher is designed around a vertical screenshot sequence. The right setting depends on the destination, viewing size, source quality, and whether later editing is expected.

Overlapping areas are not detected or removed automatically. Browser processing avoids a Nirmion upload, but it does not change copies already stored on your device, in backups, or on publishing platforms.

Useful screenshot stitcher scenarios

  1. Prepare a campaign asset for a specific social or web placement.
  2. Create a review copy while leaving the original file untouched.
  3. Produce a consistent derivative for a design, content, or publishing workflow.

Good to know

Important image boundaries

Why might a PNG not become smaller?
PNG is lossless and browsers do not expose a quality control for it. Choose WebP or JPEG when reducing file size matters more than exact lossless pixels.
Are animated images supported?
No. The workspace accepts still JPEG, PNG, and WebP files. Re-encoding an animated source would otherwise keep only one frame.
What does clearing the file mean?
Because processing is local, there is no Nirmion server copy to delete. The tab releases its working references after success; your downloaded output remains on your device.