{"name":"ChatGPT Tool - Base64 Proxy Service - text/plain + chunked edition","version":"1.2.0","description":"Fetch URLs as Base64 text. Small files return inline; large files switch automatically to Range-based chunks.","response_content_type":"text/plain; charset=utf-8","chunk_size_bytes":2700000,"endpoints":{"/api/fetch":{"method":"GET","description":"Small file: JSON text with content_base64. Large file: chunk manifest. Add part=N to fetch raw Base64 chunk text.","params":{"url":"URL-encoded target URL (required)","part":"Optional zero-based chunk index for large files"},"examples":["/api/fetch?url=https%3A%2F%2Fexample.com%2Ffile.aar","/api/fetch?url=https%3A%2F%2Fexample.com%2Ffile.aar&part=0"]},"/api/extract":{"method":"GET","description":"Fetch document and extract text content in a JSON-formatted text body","supported_formats":["docx","xlsx","xls","txt","csv","html","rtf","json","md"],"params":{"url":"URL-encoded target URL (required)"}}},"important":"All HTTP responses use text/plain; charset=utf-8. Chunk bodies are raw Base64 text; normal and manifest responses are JSON-formatted text."}