HIGHLIGHTS
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OneImageTool
Free Image Tools
HIGHLIGHTS
Fine-tune bright regions without touching midtones and shadows. One slider, instant preview.
or click to browse — JPG, PNG, WebP
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bright areas
A brightness slider moves every pixel. A highlights slider only moves the bright ones — here, anything above roughly the halfway point of the luminance range, ramping to full effect at pure white. Shadows and midtones stay exactly where they were.
That distinction is the whole reason the control exists. Overcast skies, white shirts, chrome and window reflections blow out long before the rest of the frame does, and pulling global brightness down to rescue them just makes the whole photo dark.
three steps
A JPG, PNG or WebP that has bright areas worth rescuing — a sky, a lit wall, a reflective product shot.
Below 100% pulls bright areas back down, above 100% pushes them up. The adjustment is weighted by how bright each pixel already is, so the effect fades out smoothly rather than leaving a visible edge.
Export as PNG to keep the result lossless, or JPG and WebP with a quality slider for the web.
quick answers
Pixels above about the midpoint of the brightness range. The further above that point a pixel already is, the more it moves, so the correction blends into the midtones instead of stopping at a hard threshold.
No. Brightness scales the whole image, so darkening a blown sky darkens the faces too. Highlights leaves shadows and midtones untouched.
No, and no tool can. Once a pixel is clipped at 255 the information is gone from the file. Pulling highlights down turns pure white into flat grey, which usually looks worse than leaving it.
To add sparkle to metal, water or glassware in a product shot, or to lift a flat, hazy image without washing out the shadows.
It shifts all three channels by the same amount, so hue is preserved. Very strong settings can still shift the perceived colour of near-white areas as they clip.
No. Processing is local in your browser and works offline.
Yes — free with no watermark.