Convyra Tools
79 free browser tools. No sign-up, nothing uploaded.
What it does
Convyra Tools is a free collection of 79+ browser-based utilities across 10 categories — text tools, developer tools (JSON, Base64, JWT), calculators, generators, converters, color tools, SEO tools, security tools, date & time tools, and math tools. Everything runs entirely client-side. No account, no file uploads, no data leaves your browser. Actively growing toward 200+ tools. Would love feedback on what to add next.
79+ free online tools for text, developers, calculators and everyday tasks. No sign-up, nothing uploaded, works instantly in your browser.
Text, developer, and calculator tools that run instantly in your browser. No sign-up. Nothing uploaded. Count words, characters, sentences and reading time instantly. Convert text to UPPERCASE, lowercase, Title Case, camelCase and more. Calculate exact age in years, months and days from a birth date. Generate placeholder Lorem Ipsum text by paragraphs, sentences or words. Generate title, description and viewport meta tags for your page. Calculate compound interest with adjustable compounding frequency. Generate strong, random passwords with custom character rules. Organized into clear categories so the right tool is always a click away. Count, clean, sort and reshape text in your browser —…from getconvyra.com
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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