sandboxmax

CRM Contacts CSV → JSON Converter

Pre-loaded with a typical CRM lead export — names with embedded commas, international phone numbers, and ISO timestamps — so you can see how quoted fields survive the conversion intact. Paste your own export and every contact becomes a clean JSON object, processed entirely on your machine.

runs 100% in your browser — your data is never uploaded

  1. 1Load your CSVPaste raw text or drop a .csv file — parsing is instant and stays on your machine.
  2. 2Map the schemaColumn headers appear automatically; force each field to string, number, or boolean, or trust auto-detect.
  3. 3Compress & copyFlip on minify and truncation, watch the payload shrink, and copy prompt-ready JSON.
drag & drop a .csv file here, orbrowse

Schema mappingcolumn → JSON type

    Parsed with a built-in quote-aware CSV reader — commas and line breaks inside quoted fields are handled correctly, and your data never leaves this tab.

    Tokenomics compression engine— trim the payload before it hits a prompt window

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