I built a new file format to cut AI token costs by 70% — here's how it works

Tags: #ai #webdev #javascript #opensource #ChatGPT #Claude #Copilot #Gemini Every time I pasted a spreadsheet or XML file into Claude or ChatGPT, something bothered me. I was burning tokens on things the AI didn't need. A 120-row sales CSV with 10 columns repeats the column names 120 times. An XML response from an enterprise API can spend 40% of its tokens on namespace declarations like xmlns:ns0="http://schemas.example.com/data" before a single byte of real data appears. A JSON array of 2...