WebTools
49+ free tools for calculating, converting & creating
What it does
WebTools Engine is a free, all-in-one hub of high-utility web tools — no sign-up, no clutter, just fast results. Browse 40+ tools across categories like financial & math calculators, unit/currency/timezone converters, developer utilities, hash & string generators, client-side image tools (resize, compress, crop), password checkers, on-page SEO tools, and text cleaning utilities. Built for speed and simplicity — get in, solve your problem, get out. Perfect for devs, marketers, and everyday users.
81+ free online tools for SEO, image, developer, and calculator tasks. No login, no signup, no upload. All tools run instantly in your browser.
81 + free browser-based tools — SEO analyzers, image compressors, developer utilities, and calculators. No login, no signup, no file upload required. Analyze meta tags, compress images, calculate formulas, and format code with 100% in-browser privacy. Fast, secure, and no registration required. Curated collections of precision utilities categorized for your specific digital workflows. Financial, mathematical, and technical calculation utilities. Most frequently used tools by web creators, SEOs, and developers today. Free online AES-256-GCM encrypt and decrypt tool. Password-protect text with authenticated encryption, entirely in your browser—no signup, nothing sent to a server. Free online…from blazesolutions.info
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Launched alongside, August 2026
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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.
AI · 16d ago · simedw.com