Puzzles & education / EmbedPuzzles

Interactive number puzzle embed builder

Generate a self-contained interactive puzzle embed for a website or classroom page.

Free working edition. Named workspaces and exports are local to your device. Team sync, automatic source monitoring and paid memberships are not available.

All prefilled business examples are fictional. Replace them with your own checked inputs.

Ready. Choose your inputs and generate a result.

Create & play

Your result

Run the tool to see its output here. You can inspect, export or print the result.

How this tool works

Create a sandboxed, self-contained iframe using an original uniquely solvable 4×4 puzzle. The embed has no network or account dependency.

Method version: 2026-09-19.2

Reproducible example

All prefilled business examples are fictional. Replace them with your own checked inputs.

Create a sandboxed, self-contained iframe using an original uniquely solvable 4×4 puzzle. The embed has no network or account dependency.

Sources and specifications

HTML iframe specification

Read the text version