Shard.Tools
280+ private browser tools with no file uploads
What it does
Shard Tools brings together 280+ free utilities for PDFs, images, developer data, text, calculators, generators, and everyday tasks. Supported file-processing tools run directly in your browser, so files stay on your device. No account, installation, or upload server is required.
Run practical browser tools for images, finance, JSON, data, and text. Local-first utilities with no file uploads for launch tools.
Shard Tools handles images, PDFs, data, calculations, and text without an account. Files stay on your device instead of being sent to an upload server. Each category groups related tools so you can move between nearby tasks without searching again. A short starting set. The full directory remains one click away. Add pages to a PDF, insert images, reorder, rotate, duplicate or delete pages locally in your browser with no upload. Crop PDF margins on every page or selected pages with a visual preview. Runs locally in your browser with no file upload. Remove an image background locally and download a transparent PNG. The portrait-matting model runs on your device; your photo is never uploaded.…from shard.tools
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Life & fun · 10d ago · louisabraham.github.io
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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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