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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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Adjust image brightness. Runs entirely in your browser — nothing is uploaded.
Load your file into Tentaco Image Brightness. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
The primary button opens the matching studio mode so you can start without an account. People often search for: brightness image.
Open Image Brightness via the studio button (direct mode).
Select or drop your file.
Adjust options and review the preview or output.
Download the result and re-run if you need another pass.
File transfer: No. Processing: local in the browser. External APIs: none. Temporary storage: memory. Permanent storage: only after you download.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
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.
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