Does RGB Split Image upload my file or text to Tool-You servers?

No. RGB Split Image runs in this browser tab. Files stay on the device. Limit note: Images. Fixed pixel shift. Output PNG. Max 20 MB.

Should I use Keep Red Channel instead of RGB Split Image?

Use RGB Split Image when you need Chromatic red/blue offset, then PNG. Use Keep Red Channel when you need Zero green and blue, then PNG. They share a category (Images) but not the same job.

RGB Split Image

Chromatic red/blue offset, then PNG.

Shifts red left and blue right for a chromatic split. Unlike Keep Red Channel this keeps all channels, offset. Unlike Edge Detect Image this is a color fringe, not Sobel. Runs in the browser on a canvas.

What RGB Split Image does

RGB Split Image sits in the Images group on purpose. It is not Keep Red Channel (Zero green and blue, then PNG.) and not Keep Blue Channel (Zero red and green, then PNG.). Choose this page when you need Chromatic red/blue offset, then PNG. If you stretch RGB Split Image into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use RGB Split Image

Stay on this RGB Split Image page (/rgb-split-image). Do not switch to Keep Red Channel unless you actually want Zero green and blue, then PNG..
Add the file type RGB Split Image accepts. Hint from the path: rgb split image. Chromatic red/blue offset, then PNG.
Set only the options that match RGB Split Image. Neighbor Keep Blue Channel does something else (Zero red and green, then PNG.). Tool note: Shifts red left and blue right for a chromatic split. Unlike Keep Red Channel this keeps all channels, offset. Unlike Edge Detect Image this is a color fringe, not Sobel. Runs in the browser on a canvas.
Run RGB Split Image in this tab. Browser memory still applies: Images. Fixed pixel shift. Output PNG. Max 20 MB.
Download or copy the result from RGB Split Image. If it is the wrong job, open Keep Red Channel instead.

When not to use RGB Split Image

Skip RGB Split Image when a neighbor tool matches better — start with Keep Red Channel or Keep Blue Channel — or when the description already warns the job will fail. In the tool’s own words: Shifts red left and blue right for a chromatic split. Unlike Keep Red Channel this keeps all channels, offset. Unlike Edge Detect Image this is a color fringe, not Sobel. Runs in the browser on a canvas.

Questions about RGB Split Image

What does RGB Split Image do that other Images pages on this site do not?: Shifts red left and blue right for a chromatic split. Unlike Keep Red Channel this keeps all channels, offset. Unlike Edge Detect Image this is a color fringe, not Sobel. Runs in the browser on a canvas. Short version: Chromatic red/blue offset, then PNG.
Does RGB Split Image upload my file or text to Tool-You servers?: No. RGB Split Image runs in this browser tab. Files stay on the device. Limit note: Images. Fixed pixel shift. Output PNG. Max 20 MB.
Should I use Keep Red Channel instead of RGB Split Image?: Use RGB Split Image when you need Chromatic red/blue offset, then PNG. Use Keep Red Channel when you need Zero green and blue, then PNG. They share a category (Images) but not the same job.
What are the limits of RGB Split Image?: Images. Fixed pixel shift. Output PNG. Max 20 MB. Also: Shifts red left and blue right for a chromatic split. Unlike Keep Red Channel this keeps all channels, offset. Unlike Edge Detect Image this is a color fringe, not Sobel. Runs in the browser on a canvas.