Image Color Adjustment
Adjust image brightness, contrast, saturation, hue, blur, grayscale, sepia and invert with real-time preview. Free online color editor, 100% private.
How do I adjust image colors online?
Upload your image using the upload button or drag-and-drop area. Then use the sliders to adjust brightness, contrast, saturation, hue rotation, blur, grayscale, sepia, and invert. Preview changes in real-time, then click Apply and Download to save your edited image.
What is hue rotation and how does it work?
Hue rotation shifts all colors in the image around the color wheel by a specified degree (0-360°). For example, rotating 180° turns red into cyan, blue into yellow, and green into magenta. It's useful for creating creative color effects or correcting color casts.
Can I reset all adjustments to the original?
Yes. Click the "Reset All" button to return all sliders to their default values and restore the original image appearance instantly.
What output formats are supported?
You can export in PNG, JPEG, or WebP format. For JPEG and WebP, you can also adjust the compression quality to balance file size and image quality.
Is my image uploaded to a server?
No. All image processing happens locally in your browser using the Canvas API. Your images never leave your device, ensuring complete privacy and security.
What is the difference between brightness and contrast?
Brightness adjusts the overall lightness or darkness of the entire image uniformly. Contrast adjusts the difference between the lightest and darkest areas — higher contrast makes bright areas brighter and dark areas darker, while lower contrast flattens the tonal range.
How does saturation affect my image?
Saturation controls the intensity of colors. At 100%, colors appear at their natural vividness. Increasing beyond 100% makes colors more intense and vibrant. Decreasing toward 0% gradually removes color, turning the image into grayscale at 0%.
What is the sepia filter used for?
The sepia filter applies a warm, brownish tone to your image, mimicking the look of antique photographs. It's popular for creating nostalgic, vintage, or retro aesthetics in photos.
What does the invert filter do?
The invert filter creates a negative effect by reversing all color values. Each pixel's RGB values are subtracted from 255, producing complementary colors. White becomes black, red becomes cyan, etc.
Does adjusting colors reduce image quality?
No. The adjustments are applied in real-time using CSS filters for preview, and the final output is rendered at full resolution from the original image data. No quality is lost during the adjustment process.
Can I use this tool on my phone or tablet?
Yes, the tool is fully responsive and works on all devices including smartphones and tablets. Touch-friendly sliders make it easy to adjust colors on mobile devices.
Is there a file size limit for images?
There is no strict file size limit. However, very large images (over 10MB or 8K resolution) may process slower depending on your device's hardware capabilities. The tool works best with images up to 4K resolution.
How does the blur effect work?
The blur effect uses a Gaussian blur algorithm to soften the image by reducing sharpness and detail. It's useful for creating depth-of-field effects, smoothing backgrounds, or obscuring sensitive information.
Can I adjust colors in specific areas only?
This tool applies adjustments globally to the entire image. For area-specific color adjustments, you would need a more advanced editor with layer masks or selection tools.
How to Use Image Color Adjustment
Adjust brightness, contrast, saturation, hue, blur, grayscale, sepia, and invert with a live preview — everything is processed locally in your browser and your image is never uploaded.
- Open your image in the editor to see it with the original settings.
- Move the brightness, contrast, saturation, and hue sliders and watch the preview update in real time.
- Add effects such as blur, grayscale, sepia, or invert by adjusting their controls.
- Choose the export Format — Original, PNG, JPEG, or WebP — and set the Quality for JPEG or WebP.
- Save the adjusted image to your device.
Grayscale plus a slight contrast boost is a quick fix for photos with a strong color cast before you try full recoloring.
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