Professional Brightness Adjuster

Adjust image brightness with precision controls and advanced algorithms

Select Image

Click to select an image or drag and drop
Supported formats: JPEG, PNG, GIF, WebP (Max: 20MB)

Brightness Adjustment

Brightness: 0

Darker Normal Brighter

Auto-enhance brightness Automatically calculate optimal brightness level

Advanced Options

Adjustment Mode Choose the brightness adjustment algorithm

Preserve highlights Protect bright areas from overexposure

Maximum quality output Use highest quality settings

Live Preview

Original

Upload image to preview

Brightness: --

No adjustment

Adjusted

Adjust brightness

Brightness: --

Brightness Adjustment Guide

Adjustment Modes

Linear: Standard brightness adjustment
Gamma: Perceptually uniform correction
Sigmoid: Natural, curved adjustment
Selective: Preserves tone relationships

Advanced Features

Auto-enhance: Intelligent brightness optimization
Preserve Highlights: Prevent overexposure
Live Preview: Real-time adjustment preview
Brightness Analysis: Detailed image statistics

Usage Tips

Use small adjustments (-20 to +20) for subtle changes
Gamma correction works best for photos
Enable highlight preservation for bright images
Auto-enhance analyzes your image automatically

Photography Tips

Underexposed photos: +30 to +70 brightness
Overexposed photos: -20 to -50 brightness
Use selective mode for complex lighting
Preserve highlights for portrait photography