trysandbox.io logotrysandbox.io

// a sandbox of 139 sharp tools

Every little generator
you keep googling for.

QR, barcodes, bcrypt hashes for PHP, UUIDs, JWT decoders, color palettes — fast, local, no signup. Search the sandbox and start.

Loading Spinner CSS

Design · tool

Loading Spinner CSS

Ring, dots, bars and pulse spinners with copyable CSS.

.spinner { width: 48px; height: 48px; border: 4.8px solid #3b82f633; border-top-color: #3b82f6; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

// about the sandbox

The small utilities you need,
without the ad-walls.

Every generator runs entirely in your browser. Your inputs never leave the page — no servers, no logging, no tracking pixels. Open the tool, get the thing, close the tab.

  • 100%client-side
  • 0accounts
  • 139sharp tools
  • ∞free forever