Brighten image files in seconds without installing software. Drag the selection box over faces, skies, or products that need more light, or apply brightness to the entire picture. Values above 100% brighten; below 100% darken. Processing stays on your device for privacy.
Adjust Image Brightness Online
Make photos brighter—or darker—on the full frame or a selected region.
Drag & drop, click, or paste (Ctrl+V) an image here
Original image & selection
Adjusted result
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How to Use?
- Upload an image (drag and drop, click, or paste with Ctrl+V)
- Drag and resize the selection box over the area to brighten (starts covering the full image)
- Move the brightness slider (0%–200%; 100% = original)
- Click Apply Brightness to generate the result
- Choose PNG, JPG, or WebP and download
Notes:
- Supported formats: JPG, PNG, WebP and other common images
- Live preview updates as you move the selection or slider
- Local region mode leaves pixels outside the box unchanged
- All processing runs locally in your browser
- No images are uploaded or stored on our servers
- Refreshing the page clears all data