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Skip to contentAdjust image brightness. Use Tentaco Image Brightness to process the file in your browser and download the result — no account.
Full tool — runs in your browser. No sign-up required.
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Image Brightness accepts the file types listed in the tool UI. Convert unsupported formats first or use a related Tentaco tool.
No. Image Brightness processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Practical limits depend on your device and browser memory. Very large files may be slow or fail in Image Brightness — shrink the file and retry.
After processing, Image Brightness shows a download action. Save locally; Tentaco does not auto-archive to a cloud library.
Yes, Image Brightness runs in mobile browsers. For very large media, desktop is often more comfortable.