Online generators

Create QR codes, build CSS layouts and animations, and test regular expressions — all in your browser with no uploads.

Former /css-shadow-generator and /qr-generator URLs redirect here permanently.

Design & CSS

Visual builders with live preview and copy-ready CSS.

Flexbox, CSS Grid, and animation builder with live preview.

QR codes and scannable images from text or URLs.

Create customizable QR codes from links or text and download PNG.

Regex and other helpers for everyday development.

Pattern on the left, sample text on the right — matches highlight below. Templates and copy as `/pattern/flags`.