Black and White Threshold
Black and White Threshold
Turn each pixel into black or white using luminance.
Prepared files
Preview, inspect and downloadChoose an image and prepare it to see your result here.
Downloads are generated files, not links to stored uploads. Batch and layout tools can return several files.
A threshold image has only black and white pixels, unlike a grayscale photograph.
Adjust the luminance cutoff and inspect thin lines or small text.
How to use Black and White Threshold
- Choose a static JPEG, PNG or WebP source. Check the displayed upload limits before processing.
- Set Luminance cutoff, Download format and Quality. Review the selected units and options before preparing the output.
- Select Prepare image. Inspect the resulting preview, dimensions and file size, then download the output you need.
Why choose this tool?
The cutoff makes the choice between dark and light pixels visible.
Before you use the result
Compare the finished picture with its source. Their luminance may fall on the white side of the selected cutoff. Review the threshold before accepting the output.
Questions about Black and White Threshold
Why do faint strokes disappear?
Their luminance may fall on the white side of the selected cutoff. Review the threshold before accepting the output.
What should I check before using Black and White Threshold?
Prepare a supported source image and check Luminance cutoff, Download format and Quality. Use the exact units shown beside the controls and replace any example values with your own inputs.
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