The Tools Kit
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What it does
Merge, split, and convert PDFs, edit images, and run 120+ developer and security tools right in your browser. Free, no signup, and no watermarks.
Merge and split PDFs, convert documents, edit images, and run 120+ more utilities right in your browser. No signup, no watermarks, and nothing to install, just open a tool and get your result. Three simple steps to professional results, with no software to install. Pick from PDF, image, developer, security, and conversion utilities, all organized by category. Add your file, text, or input values. Everything runs securely in your browser or on our servers. Get your output instantly, ready to email, print, submit to portals, or share with clients. Reliable tools for everyday work, without enterprise pricing or sign-ups. Optimized for everyday broadband. Most tasks complete in under 10…from thetoolskit.co
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Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com
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
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io
- SA
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.
AI · 16d ago · simedw.com