Visual Binary Encoder, Decoder & Game - P00D Geocaching Puzzles

Create a visual binary puzzle

Message or geocaching coordinates

Show 0/1 inside squares

Puzzles use UTF-8 text encoding. Each row is one byte. For ordinary English letters and digits, one byte usually represents one character. Coordinates are treated as text, not a numerical GPS format.

Visual grid preview

Share or print without the answer. Black squares represent binary ones.

Decode visual binary

Paste a continuous sequence of 0s and 1s (spaces and newlines are allowed), or set the number of bytes and tap squares on the right. The grid updates live.

Binary bits

Grid length (bytes)

Decoded text

Invalid UTF-8 displays a warning instead of silently changing bytes. Use 8-bit groups; partial bytes are not decoded.

Tap the squares to change bits

Byte breakdown

Random binary challenge

Difficulty

Read each row from left to right (most-significant bit first). Type the decoded message exactly. Capitalization doesn't matter, but spaces and numbers do.

Your decoded message

Start a game to play.

Challenge grid

Each group of eight cells makes one character byte. Light = 0 · Dark = 1.

Visual Binary — Create, Decode & Play

Create a visual binary puzzle

Visual grid preview

Decode visual binary

Decoded text

Tap the squares to change bits

Byte breakdown

Random binary challenge

Challenge grid

How visual binary works