llm tokenizer — free browser tool | fatcousin

visualize token boundaries · gpt-4 · gpt-3 · cost estimator · runs locally · no text leaves the browser

tokenizer

input

token view

loading tokenizer…

stats

tokens37

characters95

chars / token2.57

cost estimator

model

output tokens (estimate)

500

input (37 tokens)$0.000185

output (500 tokens)$0.007500

total$0.007685

Pricing per 1K tokens · approximate · verify with provider

ready