Does Clamp Image Highlights upload my file or text to Tool-You servers?

No. Clamp Image Highlights runs in this browser tab. Files stay on the device. Limit note: Images. RGB cap 220. Output PNG. Max 20 MB.

Should I use Auto Contrast Image instead of Clamp Image Highlights?

Use Clamp Image Highlights when you need Cap RGB at 220. Use Auto Contrast Image when you need Stretch luma min–max to 0–255. They share a category (Images) but not the same job.

Clamp Image Highlights

Cap RGB at 220.

Clamps each RGB channel to 220. Unlike Auto Contrast Image this clips highs, it does not stretch. Unlike Darken Image this only caps highlights, not the whole frame. Runs in the browser on a canvas.

What Clamp Image Highlights does

Clamps each RGB channel to 220. Unlike Auto Contrast Image this clips highs, it does not stretch. Unlike Darken Image this only caps highlights, not the whole frame. Runs in the browser on a canvas.

The interactive controls for Clamp Image Highlights load after this article so crawlers still read the instructions. Path /clamp-highlights-image is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for Clamp Image Highlights.

How to use Clamp Image Highlights

Stay on this Clamp Image Highlights page (/clamp-highlights-image). Do not switch to Auto Contrast Image unless you actually want Stretch luma min–max to 0–255..
Add the file type Clamp Image Highlights accepts. Hint from the path: clamp highlights image. Cap RGB at 220.
Set only the options that match Clamp Image Highlights. Neighbor Darken Image does something else (Fixed 70% brightness, then PNG.). Tool note: Clamps each RGB channel to 220. Unlike Auto Contrast Image this clips highs, it does not stretch. Unlike Darken Image this only caps highlights, not the whole frame. Runs in the browser on a canvas.
Run Clamp Image Highlights in this tab. Browser memory still applies: Images. RGB cap 220. Output PNG. Max 20 MB.
Download or copy the result from Clamp Image Highlights. If it is the wrong job, open Auto Contrast Image instead.

When not to use Clamp Image Highlights

Skip Clamp Image Highlights when a neighbor tool matches better — start with Auto Contrast Image or Darken Image — or when the description already warns the job will fail. In the tool’s own words: Clamps each RGB channel to 220. Unlike Auto Contrast Image this clips highs, it does not stretch. Unlike Darken Image this only caps highlights, not the whole frame. Runs in the browser on a canvas.

Questions about Clamp Image Highlights

What does Clamp Image Highlights do that other Images pages on this site do not?: Clamps each RGB channel to 220. Unlike Auto Contrast Image this clips highs, it does not stretch. Unlike Darken Image this only caps highlights, not the whole frame. Runs in the browser on a canvas. Short version: Cap RGB at 220.
Does Clamp Image Highlights upload my file or text to Tool-You servers?: No. Clamp Image Highlights runs in this browser tab. Files stay on the device. Limit note: Images. RGB cap 220. Output PNG. Max 20 MB.
Should I use Auto Contrast Image instead of Clamp Image Highlights?: Use Clamp Image Highlights when you need Cap RGB at 220. Use Auto Contrast Image when you need Stretch luma min–max to 0–255. They share a category (Images) but not the same job.
What are the limits of Clamp Image Highlights?: Images. RGB cap 220. Output PNG. Max 20 MB. Also: Clamps each RGB channel to 220. Unlike Auto Contrast Image this clips highs, it does not stretch. Unlike Darken Image this only caps highlights, not the whole frame. Runs in the browser on a canvas.