trysandbox.io logotrysandbox.io

// a sandbox of 376 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.

Carbon Footprint Calculator

Generators · tool

Carbon Footprint Calculator

Your yearly CO₂ estimate.

Your yearly footprint

5.6 t CO₂e

Driving

1.33 t

Flying

0.9 t

Home energy

0.92 t

Food (meat)

1.2 t

Vs. world average (~4.7 t)

118%

Rough estimate using average emission factors; includes ~1.2 t for goods and services. Trees absorb ~22 kg CO₂ per year each.

// 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
  • 376sharp tools
  • ∞free forever