bpp playground

Paste JSON, YAML, CSV or a Markdown plan and see it as bpp, the text format that gives LLMs the same data in fewer tokens. Everything runs in your browser.

pip install bpp-format GitHub Spec Benchmark
−57%
tokens compared with pretty-printed JSON.
Input
bpp 

    

  


  

    

      
Tokens per format

      Counting with an estimate while the tokenizer loads…
    

    

  


  

    
key value
One entry per line. A key on its own line opens a nested object; one space of indentation per level.

    
rows[3]{id name note?= title}
A table: 3 rows follow, values in column order. The last column is the rest of the line.

    
customer.name · >items{sku qty}
Nested data: customer.name is the key name inside the object customer. Rows indented under a row are its items, with their own columns.

    
status? · note?=
Optional columns: status? sits in place (- when absent); note?= appears only when present, as note=….

    
&0 long text · *0
A long value that repeats is written once and referenced, like YAML anchors.