Black & White Converter
Convert images to grayscale or 1-bit black & white.
How to use Black & White Converter
Follow these steps — everything happens instantly in your browser.
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Step 1. Drop an image onto the zone.
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Step 2. Pick a conversion algorithm (luminance is the natural default).
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Step 3. Click “Convert & download” to save the black & white image.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about black & white converter.
Image Filters
Apply grayscale, sepia, blur, brightness & more with live preview.
Image Converter
Convert images between PNG, JPEG and WebP — no upload, no watermark.
Photo Editor
All-in-one photo editor: brightness, contrast, saturation & 7 presets.
Image Resizer
Resize images to exact pixel dimensions with optional aspect-ratio lock.