Adjust Brightness and Contrast
Brighten dark photos and make colors pop — with a live preview.
Drop an image here
or choose files from your device
You can also paste an image with Ctrl+V
JPG, PNG, WebP, AVIF, HEIC, GIF · up to 100 MB
Your images are processed locally in your browser and are not uploaded.
Fix underexposed photos, add punch with contrast, boost or reduce color saturation and sharpen soft details. Every slider updates the preview instantly so you can find the right balance.
How to adjust brightness and contrast
- Step 1
Add a photo.
- Step 2
Move the brightness, contrast, saturation and sharpen sliders.
- Step 3
Download the adjusted image.
Why use PhotoTools
Essential adjustments
Brightness, contrast, saturation and sharpening in one place.
Instant preview
See every change immediately, and compare with the original.
Stays private
All adjustments run in your browser.
Supported formats
Input
- JPG
- PNG
- WebP
- AVIF
- HEIC
- GIF
- BMP
- TIFF
- PSD
- RAW
Output
- JPG
- PNG
- WebP
- AVIF
Frequently asked questions
How do I fix a dark photo?
Raise brightness a little and contrast slightly to avoid a washed-out look. Sharpen gently if details look soft.
Can I make a photo black and white here?
Yes, set saturation to the minimum, or use the dedicated Black & White tool.
Is it free?
Yes. Browser tools on PhotoTools are free, unlimited and work without an account.
Are my images uploaded to a server?
No. This tool runs entirely in your browser using WebAssembly. Your images never leave your device, and nothing is stored.