Brighten Photos Online

Upload multiple images, adjust brightness, contrast, exposure, shadows, and highlights for the whole batch or unlock settings for the selected image, then download one file or all results in your browser.

JPG, PNG, GIF, BMP, WEBP. Select multiple images at once

Images never leave your device. All edits happen in your browser.

Controls

Upload a file to unlock these editing controls.

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How to Brighten or Darken Photos

  1. Upload one or more images from your device.
  2. Use Brightness, Contrast, Exposure, Shadows, and Highlights to shape the look.
  3. Keep settings lock on to apply the same lighting adjustment across the full batch, or turn it off to edit only the selected image.
  4. Download one adjusted image or the whole batch all at once.

Key Features

Batch Brighten and Darken Workflow

Upload multiple images and apply the same lighting adjustment across the whole queue in one place.

Shared or Per-Image Adjustments

Keep one shared lighting setup across the batch, or unlock settings to save different brightness, exposure, or shadow values on the selected image only.

Brightness, Exposure, Shadows, Highlights

Lighten dark images, darken overexposed photos, and recover detail in specific tonal ranges without changing everything equally.

Private Browser Processing

The image is processed in your browser and stays on your device.

Frequently Asked Questions

Yes. Upload multiple images, keep settings lock on to apply one lighting adjustment to all of them, then download one image or the whole batch.

Turn off Lock settings, click the image you want to edit in the list, then adjust brightness, exposure, shadows, or highlights for that image only.

Brightness shifts all pixel values more evenly, while exposure changes the light level in a way that feels closer to a camera adjustment.

Use the Fix Dark Photo preset or raise Brightness and Shadows, then add a little Contrast if needed.

No. The image resolution stays the same. JPG, PNG, and WEBP keep their usual output format, while GIF and BMP files are exported as PNG after adjustment.