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// a sandbox of 169 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.

Percentage Calculator

Generators · tool

Percentage Calculator

X% of Y, percent change and what percent X is of Y.

15% of 200

30

15 is what % of 200

7.5%

Change 15 → 200

1,233.33%

// 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
  • 169sharp tools
  • ∞free forever