PHOTO BRIGHTENER

Brighten Dark Photos

Lift brightness and shadows in a dark photo, then adjust contrast and saturation. Your photo is never uploaded.

Choose a Photo to Brighten

Safely process one PNG, JPG, WebP, GIF, or BMP photo in your browser.

Choose or Drag and Drop a PhotoPNG, JPG, WebP, GIF, BMP · Your photo never leaves your device.

Adjust Brightness and Dark Areas

Start with automatic correction or move the sliders to create the look you want.

BeforeAfter

Before and After Comparison

File name: -
Original dimensions: -
Average brightness: -

Brightness +20Make the entire photo lighter or darker. Shadows +30Reveal dark areas while preserving highlights as much as possible. Contrast +5Adjust the difference between bright and dark areas. Saturation +5Naturally restore color that looks faded after brightening. Save formatBest for photos; lower quality produces a smaller file. Image quality 92%

Adjusted resultCalculatingSaves at the original resolution.

CONNECTED TOOL

Resize Your Adjusted Photo Too

Resize an image to the pixel dimensions required for blogs, websites, and social media.

Resize an image →

PHOTO BRIGHTNESS GUIDE

Brighten Dark Photos and Adjust Photo Brightness

The dark photo brightener quickly adjusts images darkened by backlighting or indoor shooting directly in your browser. Control brightness, shadows, contrast, and saturation separately to reduce blown highlights and compare the result with the original instantly.

How to Brighten a Photo

Choose a PNG, JPG, WebP, GIF, or BMP photo.
Choose Auto brighten first to review the analyzed result.
Fine-tune the result with the Brightness, Shadows, Contrast, and Saturation sliders.
Move the center comparison line to review the original and result, then save as JPG, PNG, or WebP.

Useful for

Photos with dark faces or subjects caused by backlighting
Underexposed indoor and nighttime images
Reveal dark areas in product and food photos
Quickly adjust photo brightness before posting to a blog or social media

How to Adjust Brightness, Shadows, and Contrast

Brightness

Changes the overall luminance of the photo. Setting it too high can erase detail in bright skies or white clothing.

Shadows

Primarily lifts dark areas. It is useful for revealing faces and backgrounds in backlit photos.

Contrast and saturation

If the brightened photo looks hazy, raise Contrast slightly. If colors look washed out, add a small amount of Saturation.

Frequently Asked Questions

Is my photo uploaded when I brighten it?

No. Loading, adjusting, and creating the image all happen in your current browser. The selected photo is never sent to or stored on Congdy Coding servers.

Can a very dark photo be restored clearly?

Raising brightness and shadows makes dark areas easier to see, but it cannot recreate detail that was not captured. Excessive values can make noise or color artifacts more visible.

What is the difference between Brightness and Shadows?

Brightness changes the whole photo, while Shadows mainly lifts dark areas. Adjust Shadows first when you want to preserve highlights while revealing darker detail.

How does automatic correction choose its settings?

The tool analyzes average brightness and the proportion of dark pixels in your browser to choose Brightness and Shadows values automatically. Fine-tune each slider if the result is too bright or dark.

Which formats can I use to save the adjusted photo?

Save as JPG, PNG, or WebP. JPG and WebP quality can be adjusted, and the original pixel dimensions are preserved.

This tool and guide are reviewed directly by Congdy Coding, operated by a developer with eight years of experience. Last updated: October 5, 2026