How to use this tool
Your image starts with reduced brightness. Move the single slider to make the result lighter or darker.
- 1Select an image from your device.
- 2Adjust Brightness until the image is as dark as you need.
- 3Download the darker image as PNG, JPG, or WebP.
Best for
Toning down an image that looks too bright or preparing a darker background for text.
Privacy
Brightness changes happen locally in your browser, and the image is not uploaded to our servers. Read our privacy policy
How to darken an image without losing too much detail
Reduce brightness gradually and watch the darker regions in the preview. Pushing the image too far can make shadow detail difficult to see, so stop once the overall tone is dark enough for the intended result.
When the Adjust Image tool is better
The dedicated Darken Image page is useful for one overall brightness reduction. If you need to darken the image while separately controlling highlights, shadows, contrast, or color, use the full Adjust Image tool instead.
Limitations
- Darkening the whole image can hide shadow detail; use Adjust Image when you need separate tonal controls.
Questions
How do I make an image darker online?
Choose an image and reduce the Brightness control until the preview has the darker tone you want, then download the result.
Why can darkening hide shadow detail?
Reducing overall brightness pushes already-dark areas lower as well, so fine detail in shadows can become harder to see if the adjustment is too strong.
Is lowering brightness the same as increasing contrast?
No. Brightness changes the overall lightness, while contrast changes the separation between lighter and darker areas.
Can I undo the starting darkening?
Yes. Move Brightness back to zero or use Reset before downloading.
Which formats can I download after darkening?
You can export the darker image as PNG, JPG, or WebP.
Is the image uploaded when I darken it?
No. The selected image and brightness adjustment are processed locally in your browser.
Related tools
- Adjust Image
Adjust brightness, contrast, color, and sharpness on JPG, PNG, and WebP images.
- Brighten Image
Brighten JPG, PNG, or WebP images with one simple control and export the result.
- Image Editor
Edit, crop, filter, draw on, and add text to JPG, PNG, and WebP images.
- Resize Image
Resize JPG, PNG, and WebP images to exact dimensions. Choose crop, fit, or stretch.