ScreenBlack

What it does

Free display-testing tools that run entirely in the browser — nothing to install. Tools: black screen test · dead pixel checker · backlight bleed test · contrast test · screen uniformity · gradient banding · OLED black screen · black image download Try it: https://screenblack.site Works on monitors, laptops, phones, tablets and TVs. Built for people checking a new panel before the return window closes.

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  Multi Screen Test2015 · ▲216

  Test your site at different screen resolutions & devices.

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  ScreenCube2018 · ▲94

  Web-based app mockup toolkit

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  Screen Bleeding Test | usbRecognized9d ago · usbrecognized.com · ▲2

  Screen Bleeding Test – Check Monitor Backlight Bleed Online

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  Mobile FIRST2023 · ▲207

  Smartphone and tablet simulator in the browser

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  ScreenREC2021 · ▲143

  A really simple ad-free minimial web screen recorder

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  Pixel Winch2014 · ▲92

  An osx screen measurement app

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  Clipto MCP▲640

  Let agents source clips from terabytes of your local video

  Work · 18d ago · clipto.com

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  HyNote for Mac▲383

  Free local transcription that is 100% Private

  Work · 17d ago · hynote.ai

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  VoiceOS App Store▲330

  The app store for voice native apps that lives in your notch

  Work · 28d ago · voiceos.com

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  Scrimba Explain▲325

  Ask any question, get a video back instantly

  Work · 24d ago · scrimba.com

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  The New Calendly▲211

  Handle all of the work before, during, and after meetings

  Work · 17d ago · calendly.com

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  Open-Source eInk Bike Computer▲380

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 1d ago · opentrailpaper.com

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  Running 104GB Qwen3.8-Flash-Next on 48GB Mac with at ~12 tok/s▲237

  Run Qwen3.8-Flash-Next (125B MoE, 104 GB at 4-bit) on Macs with a fraction of that RAM by streaming experts from SSD. MLX + Swift, Ollama-compatible API. - carloslfu/slotstream

  Dev tools · 4d ago · github.com

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  TERMy – A fast terminal assistant that does not use LLMs▲184

  NPC-Forge is a framework for building conversational agents that run on the CPU without relying on machine learning or LLMs. - NPC-Forge/docs/development.md at main · gioblu/NPC-Forge

  AI · 2d ago · github.com

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  Weedout – Safari extension that hides YouTube AI-labeled videos▲182

  Weedout is a Safari extension that filters out videos YouTube labels as “Made with AI”.

  AI · 4d ago · masteranza.github.io

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  HN Match Maker – Matching "Who Wants to Be Hired?" With "Who's Hiring?"▲123

  Find your next hire or your next role from Hacker News monthly threads. AI-powered matching between candidates and job postings.

  AI · 4d ago · hnmatchmaker.com

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  OwnTime – a chess clock for your day's priorities▲110

  I made OwnTime to balance between competing priorities in my life. The idea is based on two main influences: the concept of "roles" from "The 5 Choices" (2015), and my repeated failure to effectively implement time blocking due to the necessary flexibility in my role. The app allows you to define time budgets, which are not much more than a few mutually exclusive countdown timers. The UX is essentially that of a chess clock for an arbitrary number of players with configurable time. The whole point of the app is to kick you out of the running role/priority when its time is up. One…

  Life & fun · 4d ago · owntime.app