Black and White Image

What it does

Convert color photos to black and white images online in seconds. No software required. Just upload, apply a filter, and download your high-quality black and white photo.

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  Make Image Black and White2025 · makeimageblackandwhite.com · ▲9

  Free online image converter

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  ImageToBlackAndWhite2025 · imagetoblackandwhite.org · ▲18

  Convert image to black and white online

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  Online Image ConverterApr 2026 · coloredtoblackandwhite.com · ▲1

  Turn any colorful photo into a clean black and white image

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  Grayscale Images2025 · greyscaleimages.com · ▲4

  Convert unlimited images to black & white

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  Colorize PhotoOct 2025 · ▲8

  Transform Black & White Photos to Vibrant Color

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  Colorize It2016 · ▲104

  Use deep learning to colorize black and white photos

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  Lofi Cities – Pixel-art city nights with browser-generated lofi▲319

  Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.

  Work · 25d ago · loficities.com

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  Smooth Recorder▲257

  Mac screen recordings that look edited when you hit stop

  Work · 19d ago · smoothrecorder.com

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  Figma Specs▲223

  A container for your context that lives on the Figma canvas

  Work · 4d ago · figma.com

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  The rarest tech books and docs you've probably never read▲190

  Work · 13d ago · readrare.com

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  I'm an airline pilot – I built interactive graphs/globes of my flights▲1,539

  Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!

  Life & fun · 2025 · jameshard.ing

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  Chronicle: Cursor for Slides▲1,212

  Stunning presentations with AI. No design skills required.

  AI · 2025 · chroniclehq.com

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  Bubble for native mobile apps (beta)▲1,026

  Build native mobile apps for iOS and Android without code.

  Dev tools · 2025 · bble.io

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  Twenty▲989

  Build your Enterprise CRM with an AI-friendly SDK

  Dev tools · 2025 · twenty.com

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  Pally - AI Relationship Management▲949

  All your connections, across all your socials.

  AI · 2025 · pally.com

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  Workout.cool – Open-source fitness coaching platform▲827

  I was the main contributor to workout.lol, an open-source fitness app to easily build a workout routine. The project had traction (1.4k GitHub stars, 95 forks, ~20K visits/month), but was eventually sold due to video licensing hurdles. The new owner stopped maintaining it, and the repo went abandoned. Over the next 9 months, I sent 15 emails to try to save it : no replies. Feature requests & issues were ignored. The community was left with a "broken" tool let's say. I couldn't just let it die So I built the new version from scratch with the same open-source spirit, but a better…

  Dev tools · 2025 · github.com