What is Whiteboard Photo Cleaner?
Adjust brightness/contrast to remove shadows and noise. White background, crisp text.
Use Cases
- ◆Meeting notes
- ◆Class notes
- ◆Brainstorm digitizing
How to Use
- 1Upload
- 2Adjust brightness/contrast
- 3Clean
- 4Download
Features
- ✓Free
- ✓Adjustable
- ✓Shadow removal
- ✓White output
FAQ
What is a whiteboard cleaner?
An online tool that removes shadows and noise from whiteboard photos by adjusting brightness and contrast, making text clearer and the background white. Input is a whiteboard/blackboard photo, output is a cleaned, clear image.
What image formats are supported?
JPG and PNG for both upload and download. Maximum file size is 10MB per image.
What types of photos work best?
Photos of whiteboards, blackboards, and paper documents. Works especially well on photos with uneven lighting, shadows, glare, or dark tones.
Are my images uploaded to a server?
No. All image processing runs locally in your browser using Canvas API brightness and contrast adjustments.
How do brightness and contrast controls work?
Brightness slider (-100 to +100) removes shadows. Contrast slider (0 to 200) makes text sharper. Real-time preview shows the effect before you download.
Can it process color whiteboard photos?
Yes. Color photos are converted to a near white-background, black-text scanned look. Color markers may turn gray.
Is this tool free?
Completely free. No signup, no login, no usage limits.
How long does processing take?
Usually under 1 second. Processing speed depends on image resolution and device performance.