Alternatives
Products that do what MakeBW.com does
Instantly turn images to B&W. 100% Private & Browser-based.
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Hi HN - this is a little side project I threw together. Some implementation details: image processing is all done with headless GIMP (running inside a Docker container) through its built-in Python API. It's _very_ slow (about 50 seconds/image), and currently it processes exactly one image at a time. The website is built with NextJS; payments are processed by Stripe. I've had the best results with pictures of houses, although certain photos of people or nature can look neat, too. (For example: https://brushify.art/s/ruYmQWk, original photo from…
2022 · brushify.art
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Turn any colorful photo into a clean black and white image
Apr 2026 · coloredtoblackandwhite.com
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Hey HN I built ImageConverter.dev because I got tired of “free” image converter sites that force uploads, or throttle conversions. So I made a tool that runs 100% client-side — meaning your images never leave your device. It’s built for speed, simplicity, and privacy. What it does Convert images between JPG, PNG, WebP Works offline once loaded (PWA support) How it works It uses the Canvas API and WebAssembly to handle conversions directly in the browser. There’s no upload, no tracking, no server costs, and it’s fast even on mid-range devices. Why I built it I wanted an instant, no-ads,…
Oct 2025 · imageconverter.dev
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2012 · html2image.cloudapp.net
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Hello HN, I've used a lot of image converter websites to run for my daily jobs, but they required uploading my assets on their servers which I didn't like. I decided to build it myself and publish as a website for everyone to use at no cost (since the conversion happened on your browsers) I'd live to hear your thoughts about it. Cheers,
2024 · dynapik.com
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Convert, resize, optimize images privately in your browser
30d ago · freewww.com
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Convert any image to WebP — free, instant, no uploads
Apr 2026 · imgtowebp.app
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