Brightness & Contrast — Free Online, No Login
Adjust exposure and depth. Runs directly in your browser as part of ImageBoostAI's free toolset — no signup, no watermark.
⚡ Open Brightness & Contrast Editor →How Brightness & Contrast works
- Click "Open Brightness & Contrast Editor" above.
- Upload a photo (JPG, PNG, WEBP or HEIC — up to 25MB / 40MP).
- Click Apply and preview the result instantly.
- Download the result — nothing is stored on our servers.
⚙️ Uses real, deterministic image-processing (not a trained AI model) — genuine and reproducible results, computed live from your actual photo.
Frequently asked questions
Is Brightness & Contrast free to use?
Yes. Brightness & Contrast is free, with no login and no watermark on the result.
Where does my photo get processed?
Processing happens locally in your browser tab. Files are not uploaded to a server for this tool.
How does Brightness & Contrast actually work?
This tool applies real, deterministic image-processing (histogram auto-levels, unsharp masking, color-range/brush-guided blending, etc.) entirely in your browser. It's not a trained deep-learning model, but the transformation is genuine and reproducible — not a static demo.
What file types and sizes are supported?
JPG, PNG, WEBP and HEIC (auto-converted). Max file size 25MB, max resolution 40 megapixels. GIFs are accepted but only the first frame is edited.
Category: Restore & Fix · Part of ImageBoostAI's 35+ free AI photo tools.