brightness_6
Image Brightness Adjuster
Brighten or darken a photo.
Drag the slider to lighten or darken the whole image. Free, instant, no signup.
upload_file
Upload Image
Negative or Positive
Negative values darken the image, positive values brighten it. Zero leaves the photo unchanged.
How to Use
- 1
Choose your photo. Click "Choose File" and pick an image from your device.
- 2
Drag the brightness slider left to darken or right to lighten.
- 3
Click Apply. The tool processes it instantly, no waiting.
- 4
Download the result. Click the download link, no email or account needed.
Frequently Asked Questions
It can help - drag the slider right to lift shadows and brighten the whole image. Very underexposed photos may still lose some detail that brightness alone can't recover.
Yes, your original file is never modified - just re-upload it and pick a different value any time.