Adjust Brightness
Make your image brighter or darker.
Upload Image
Click to upload or drag & drop
JPG, PNG, WebP, GIF, BMP
Fix underexposed or overexposed photos by adjusting brightness levels. Xonvert's brightness tool lets you lighten dark images or tone down overly bright ones with a simple slider control. Perfect for fixing photos taken in poor lighting conditions or evening out exposure across a set of images.
Key Features
- ✓Increase or decrease brightness precisely
- ✓Smooth adjustment slider
- ✓Real-time preview before downloading
- ✓Works with all image formats
- ✓No quality degradation from adjustment
How to Adjust Image Brightness Online
- 1
Upload your image
Select or drag your image file.
- 2
Adjust brightness
Move the slider right to brighten or left to darken.
- 3
Download adjusted image
Click "Process" to save your brightness-corrected image.
Common Use Cases
- •Brightening photos taken in dim lighting or indoors
- •Reducing excessive brightness in overexposed outdoor shots
- •Evening out brightness across multiple product photos for consistency
- •Improving readability of dark scanned documents
Frequently Asked Questions
Will brightening a very dark photo add noise?▼
Extreme brightness increases on very dark images can reveal noise that was hidden in shadows. Moderate adjustments produce the best results.