Auto Contrast Image Online
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What you can expect
Automatically stretch your image's tones to fill the full black-to-white range. Uses robust histogram percentiles so a few outlier pixels can't skew the result, while keeping hues intact.
Related tools
More BrushCue tools that fit this workflow.
Contrast Adjust
Use this tool to increase or decrease the contrast in your images. Values greater than 0 increase the contrast. Values less than 0 decrease the contrast.
Brightness Contrast Adjust
This tool allows you to increase the contrast of the brightness of an image. This leads to more stark contrast between the dark and light areas of your image while leaving the colors unaffected.
Included in collections
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Online Photo Enhancement Tools
→Frequently asked questions
- How do I automatically fix the contrast of an image?
- Select your file and the tool stretches the image's tones to fill the full black-to-white range automatically. No sliders needed.
- Will auto contrast change my image's colors?
- Hues are preserved. Only the lightness range is stretched in the perceptual OkLab color space, so colors get punchier without shifting.
- Is this like Photoshop's Auto Contrast?
- Similar — both stretch tones to the full range. This tool uses robust histogram percentiles, so a few very dark or bright pixels won't skew the result.
- What file formats can I export?
- You can export as PNG, JPEG, WebP, TIFF, BMP, or HEIC.
- Is this tool free to use?
- Yes — completely free, no account needed. Your images are processed entirely in your browser and never uploaded to a server. Downloads have no watermarks.
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