Photo Brightness Adjuster - Adjust photo brightness, exposure & colors locally

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Adjust photo brightness, exposure, contrast, saturation, highlights, and shadows instantly. Everything runs locally in your browser, so your photos never leave your device. No uploads. No registration.

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Thanks for checking out Photo Brightness & Contrast Adjuster! I built this tool for people who want to make quick photo adjustments without installing software or uploading images to a server. Everything runs directly in your browser, so your photos stay on your device. You can compare the original and adjusted images side by side, adjust brightness and contrast with simple sliders, and export the result as JPG, PNG, or WebP. I hope it's useful, and I'd love to hear your feedback or feature suggestions. Thanks for your support!

Love that everything runs locally in the browser without any uploads, that side-by-side preview is such a thoughtful touch for dialing in the right balance before exporting.

 Thank you! That was exactly the goal. Everything runs locally in your browser, so your images never leave your device. We also added the side-by-side preview to make it easy to compare the original and adjusted version before exporting. I'm glad you found it useful!

 Thanks so much! I'm glad the side-by-side preview helped make adjustments easier. That was one of the main goals—to let you compare changes before downloading without switching between windows. Happy to hear it made your workflow faster! 😊

The side-by-side preview with no upload needed is such a smart call, especially for quick edits on sensitive images. WebP export at the top of the list too, nicely done.

 Thank you! Privacy was our main focus from the beginning. Everything runs locally in your browser, so your images stay on your device. We're glad you found the side-by-side preview and WebP export useful too!

Really handy for quick tweaks without firing up Photoshop. The side by side preview made it easy to dial in the contrast just right before exporting as a PNG.

 Thanks so much! I'm glad the side-by-side preview helped make adjustments easier. That was one of the main goals—to let you compare changes before downloading without switching between windows. Happy to hear it made your workflow faster!