Character Counter

A tweet-style box that counts down and warns you before you run out.

Type into a text box and watch a live counter — and a little progress ring — react. It turns amber near the limit, red past it, and disables the button when you've gone over. Live feedback, visualized.

What's inside

• Live remaining-characters count on every keystroke
• Amber / red warnings as you approach the limit
• Post button disables when you're over
• A tiny SVG progress ring driven by the count
• Light & dark mode, no dependencies

Quickstart

$ curl -LO https://devai.io/downloads/char-counter.zip$ unzip char-counter.zip && cd char-counter$ open index.html   # or just double-click the file

Browse the code

The full source, exactly as the zip ships it.