🔤 AI Tool

Tokenizer Visualizer

Paste any text to see exactly how language models tokenise it — with colour-coded token boundaries, character ratios, and real-time API cost estimates across models.

Input Text

—
Tokens
—
Characters
—
Words
—
Chars/Token

Token Boundary Visualisation

Tokenize your text above to see colour-coded token boundaries.

API Cost Estimator

ModelInput $/1MEst. Cost
Tokenize text to see costs.

Token Distribution