Brightness & Contrast Adjuster
FREEFix dark, washed-out, or flat-looking photos. Adjust brightness and contrast with precision sliders and real-time preview.
Fix dark, washed-out, or flat-looking photos. Adjust brightness and contrast with precision sliders and real-time preview.
The Free Brightness & Contrast Tool by Nano Banana lets you fix dark photos and enhance image quality with precision adjustments. Whether your photos are underexposed, washed out, or lacking punch, our tool provides smooth sliders for brightness adjustment (-100 to +100) and contrast control. Features real-time preview, before/after comparison, and auto-enhance mode. Perfect for fixing phone photos, enhancing product images, or creating artistic effects. 100% free, browser-based, no watermarks.
Smooth sliders from -100 to +100 for both brightness and contrast. Fine-tune to exact levels.
See changes instantly as you adjust. No waiting for processing.
One-click comparison between original and enhanced. Perfect your adjustments.
AI analyzes your image and applies optimal settings automatically.
View tonal distribution for professional-level adjustment decisions.
Advanced algorithms maintain image quality even with significant adjustments.
Drag and drop or click to upload. Supports JPG, PNG, WebP up to 50MB.
Move brightness slider to lighten/darken. Adjust contrast for vivid or soft tones.
See real-time changes. Toggle before/after view for comparison.
Save your improved image in high quality. No watermarks added.
Lighten dark photos or darken overexposed images. Range: -100 (darker) to +100 (lighter).
Increase for vivid, punchy images. Decrease for soft, dreamy effect.
One-click AI optimization. Automatically fixes common exposure issues.
See tonal distribution change in real-time. Professional exposure analysis.
Split-screen or toggle comparison. Ensure you're improving the image.
Instantly revert to original. Experiment freely without losing your image.
Brighten dark indoor shots, backlit photos, or evening images. Recover shadow detail.
Darken washed-out images. Restore color and detail to bright photos.
Make product images pop. Proper contrast sells products better.
Flattering brightness for skin tones. Appropriate contrast for depth.
Ensure images look great on all screens. Consistent brightness across posts.
Adjust for printer output. Screen brightness differs from print results.
Get the overall exposure right, then fine-tune contrast for the finishing touch.
Subtle changes (±20-30) often look more natural than extreme adjustments.
Avoid clipping (pure white/black areas). Keep detail in highlights and shadows.
Portraits need less contrast than landscapes. Match adjustment to content.
What looks good on your screen may differ on phones or prints.
Compare our free tool with other image adjustment options.
| Feature | Nano Banana | Others |
|---|---|---|
| Price | Free forever | Lightroom: $9.99/mo, Photoshop: $20.99/mo |
| Real-time Preview | Yes, instant | Varies by tool |
| Histogram | Yes, live updates | Professional tools only |
| Auto-Enhance | AI-powered | Varies by tool |
| Processing | Browser-based, instant | Requires installation |
| Learning Curve | None | Professional tools require training |
Food Blogger
“My food photos look so much better! The auto-enhance feature is perfect for quick edits.”
eBay Seller
“Makes my product photos pop. Items sell faster with better-lit images.”
Instagram Creator
“Essential for my content workflow. Quick, easy, and the results are professional.”
Brightness shifts all pixels lighter (positive) or darker (negative) uniformly. It changes overall image exposure.
Upload an Image
Drag and drop or click to select