Image Enhancer
Auto levels plus brightness, contrast, saturation and shadow controls - honest photo correction, not AI.
JPG · PNG · WEBP
Runs in your browserOpen tool
Image Tools
Black and White Image
Convert photos to greyscale, sepia or pure black and white, with dithering for printing.
- Runs in your browser
- Batch
- Works on mobile
- In: JPG, PNG, WEBP, GIF, BMP, AVIF
- Out: JPG, PNG, WEBP
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Your files and text are processed on your own device, inside this page. Nothing is uploaded to Dubinity or stored, and closing the tab discards it. How privacy works
About Black and White Image
Four greyscale methods (natural luminance, average, lightness, sepia) plus two-tone output with a threshold or Floyd-Steinberg dithering - useful for stamps, stencils, thermal printers and fax-style scans.
How to use it
- 1Drop your JPG, PNG, WebP and GIF files into the box, paste them, or tap browse.
- 2Adjust the settings if the defaults are not what you need.
- 3Run the tool. The work happens on your own device.
- 4Download each result, or all of them as one ZIP.
Questions
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