Image Brightness Adjustment Tool

Professional image brightness adjustment tool with real-time preview, batch processing, and precise brightness control
Upload Images

Drag and drop images or click to browse

Up to 50 images, all common formats supported

Brightness Control
+0%

Adjust the brightness level from -100% (very dark) to +100% (very bright). Changes apply to all images instantly.

Preview Mode

Key Features

  • •Real-time preview with split-view comparison showing before/after effects
  • •Batch processing up to 50 images simultaneously for maximum efficiency
  • •Precise brightness control with slider from -100% to +100% adjustment
  • •Multiple preview modes: split view, original only, or adjusted only
  • •High-quality output with preserved image resolution and clarity
  • •Support for all major image formats: JPG, PNG, WebP, AVIF, GIF, BMP
  • •Instant download individual files or batch download as ZIP archive
  • •Modern responsive UI with smooth animations and transitions
  • •Completely offline processing - no server uploads, absolute privacy

How to Use Image Brightness Adjustment Tool

  1. Upload images: Drag and drop or click to select up to 50 image files
  2. Adjust brightness: Use the slider to set brightness level from -100% to +100%
  3. Real-time preview: See instant results with split-view comparison
  4. Switch view modes: Choose between split view, original, or adjusted preview
  5. Download results: Save individual images or download all as ZIP
  6. Clear and restart: Remove all images to start a new batch

Why Choose Our Image Brightness Tool

  • •Professional results with precise control over brightness levels
  • •Save time with batch processing instead of editing images one by one
  • •Real-time preview eliminates guesswork and multiple attempts
  • •High-quality output maintains original image resolution and sharpness
  • •Privacy protection with 100% offline processing - no data uploads
  • •User-friendly interface suitable for beginners and professionals
  • •Free to use with no registration, watermarks, or usage limits
  • •Cross-platform compatibility works on desktop, tablet, and mobile devices