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PixTools

Image Brightness Adjuster

Quick answer: Add your photo and move the Brightness, Contrast, Saturation and Warmth sliders. Turn on Auto levels for a one-tap fix.

About the Image Brightness Adjuster

Adjust image brightness, contrast and saturation online for free. Batch ready, private, no upload.

Fix photos that are too dark or washed out. Auto levels stretches the tones for you, and the sliders give you manual control.

PixTools runs on your device, so it is fast and your pictures never leave it.

How to use it

  1. 1Drop one or more images into the box or click to browse.
  2. 2Adjust the settings and watch the preview update.
  3. 3Download the result, or all files as a ZIP.

Why use this tool

Private by design

Your files are processed on your device and never uploaded.

Free, no signup

No account, no watermark and no daily limit.

Batch ready

Add many images at once and download a ZIP.

Works on phone and desktop

A responsive layout that fits any screen.

Frequently asked questions

How do I brighten a dark photo?

Raise Brightness a little and add some Contrast. Or press Auto levels.

Are my images uploaded to a server?

No. PixTools processes images locally in your browser using your device. Your files are not uploaded or stored.

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