Sample testing notebook · Pyodide + openpyxl · Drop data into Step 1 and run the cells
Loading Pyodide…
Drop your data file(s) into Step 1 below, then click Run All, or click any cell's prompt to expand it and run cells individually with Shift+Enter. Code cells are collapsed by default — click the [ ]: prompt to expand.
✓ Results ready
Import Notebook from JSON
Paste JSON from an LLM, or upload a .json file. The notebook will rebuild with the new cells.
JSON schema reference (show to your LLM)
Save Notebook
Choose a format. HTML is a complete standalone notebook; JSON is just the config (re-importable).
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Save as HTML
Complete standalone notebook file with all code, ready to open in any browser
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Save as JSON
Lightweight config file for re-importing into the template or sharing with an LLM