Does Keep Red Channel upload my file or text to Tool-You servers?

No. Keep Red Channel runs in this browser tab. Files stay on the device. Limit note: Images. Output PNG. Max 20 MB.

Should I use Keep Green Channel instead of Keep Red Channel?

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

Keep Red Channel

Zero green and blue, then PNG.

Keeps the red channel and zeros green and blue. Unlike Keep Green Channel this is red only. Unlike Saturate Image this discards two channels, not a saturation percent. Runs in the browser on a canvas.

What Keep Red Channel does

The interactive controls for Keep Red Channel load after this article so crawlers still read the instructions. Path /keep-red-image is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for Keep Red Channel.

How to use Keep Red Channel

Stay on this Keep Red Channel page (/keep-red-image). Do not switch to Keep Green Channel unless you actually want Zero red and blue, then PNG..
Add the file type Keep Red Channel accepts. Hint from the path: keep red image. Zero green and blue, then PNG.
Set only the options that match Keep Red Channel. Neighbor Keep Blue Channel does something else (Zero red and green, then PNG.). Tool note: Keeps the red channel and zeros green and blue. Unlike Keep Green Channel this is red only. Unlike Saturate Image this discards two channels, not a saturation percent. Runs in the browser on a canvas.
Run Keep Red Channel in this tab. Browser memory still applies: Images. Output PNG. Max 20 MB.
Download or copy the result from Keep Red Channel. If it is the wrong job, open Keep Green Channel instead.

When not to use Keep Red Channel

Skip Keep Red Channel when a neighbor tool matches better — start with Keep Green Channel or Keep Blue Channel — or when the description already warns the job will fail. In the tool’s own words: Keeps the red channel and zeros green and blue. Unlike Keep Green Channel this is red only. Unlike Saturate Image this discards two channels, not a saturation percent. Runs in the browser on a canvas.

Questions about Keep Red Channel

What does Keep Red Channel do that other Images pages on this site do not?: Keeps the red channel and zeros green and blue. Unlike Keep Green Channel this is red only. Unlike Saturate Image this discards two channels, not a saturation percent. Runs in the browser on a canvas. Short version: Zero green and blue, then PNG.
Does Keep Red Channel upload my file or text to Tool-You servers?: No. Keep Red Channel runs in this browser tab. Files stay on the device. Limit note: Images. Output PNG. Max 20 MB.
Should I use Keep Green Channel instead of Keep Red Channel?: Use Keep Red Channel when you need Zero green and blue, then PNG. Use Keep Green Channel when you need Zero red and blue, then PNG. They share a category (Images) but not the same job.
What are the limits of Keep Red Channel?: Images. Output PNG. Max 20 MB. Also: Keeps the red channel and zeros green and blue. Unlike Keep Green Channel this is red only. Unlike Saturate Image this discards two channels, not a saturation percent. Runs in the browser on a canvas.