Brightness Adjuster
Make your photos brighter or darker with precise control.
How To Use
- Upload Your Image — Click the upload area or drag and drop your image file.
- Adjust Settings — Configure the tool options and preview changes.
- Download — Click the process button to apply changes and download your image.
How to Adjust Image Brightness Online
Fix underexposed or overexposed photos instantly with our free brightness adjustment tool. The slider ranges from 10% (very dark) to 300% (very bright), with 100% representing the original image. This gives you full control over the light levels in your photos, from subtle corrections to dramatic adjustments.
Brightness adjustment is one of the most common photo editing operations. Use it to reveal details hidden in shadows, correct photos taken in poor lighting conditions, or reduce glare from overexposed highlights. The real-time slider lets you see the effect before downloading, ensuring you get the exact result you want.
The adjustment is applied using the Canvas API filter system directly in your browser. Your images are never uploaded to any server, guaranteeing complete privacy. Download your adjusted image as a high-quality PNG file. No file size limits, no watermarks, and no registration required.
Fix Dark Photos
Increase brightness to reveal details hidden in shadows and dark areas of your photos.
Reduce Glare
Lower brightness to reduce overexposed highlights and bring back washed-out details.