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.

Certificate / Award Generator

Design · tool

Certificate / Award Generator

Printable certificates.

Certificate of Achievement

This certificate is proudly presented to

Amina El Idrissi

for outstanding performance in the 2025 Coding Challenge

9 October 2026

Date

Dr. Karim Benali

Program Director

// 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