Tools
Image Binarization
Convert images to black and white. Adjust threshold for optimal results.
Select file or drag & drop
Supports JPG, PNG, WebP formats
Threshold: 128
Please select an image
Binarization result preview
Tool Description
Adjust threshold to convert images to black and white. Perfect for document scanning and OCR preprocessing with PNG output.
Main Use Cases
Document scan optimization
OCR preprocessing
Illustration line art creation
Pattern recognition images
Black and white print data
Logo & icon creation
Stamp & seal images
Design material creation
Manga & illustration processing
Fax transmission images
Q&A
What is a threshold?
A reference value that separates white and black. Higher values result in more white areas, while lower values result in more black areas.
What can this be used for?
Document scanning, OCR preprocessing, illustration line art creation, pattern recognition, and more.
What is the output format?
Output as PNG format. Results in a simple image with only black and white colors.
Does it work on mobile devices?
Yes. It works on mobile browsers including iPhone and Android. *Some OS or browser versions may not be supported.