{
  "date": "2026-09-24",
  "toolUrl": "https://privconvert.app/tools/csv-to-excel",
  "method": "First-party live browser run in Chrome 150 on macOS, using pasted generated CSV, automatic delimiter detection, and sheet name Public sample. Original downloaded XLSX inspected with an independent workbook importer and XML storage checks; not edited or re-exported.",
  "scope": "One valid comma-separated fixture with a header and three data rows. Not a large-file, malformed-input, native Excel UI, or formatting-fidelity benchmark.",
  "sheet": "Public sample",
  "rowsIncludingHeader": 4,
  "columns": 5,
  "allValuesMatch": true,
  "allCellsStoredAsText": true,
  "cells": [
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      "address": "A1",
      "value": "item_code",
      "storageType": "str"
    },
    {
      "address": "B1",
      "value": "postal_code",
      "storageType": "str"
    },
    {
      "address": "C1",
      "value": "reference",
      "storageType": "str"
    },
    {
      "address": "D1",
      "value": "date_like",
      "storageType": "str"
    },
    {
      "address": "E1",
      "value": "notes",
      "storageType": "str"
    },
    {
      "address": "A2",
      "value": "00123",
      "storageType": "str"
    },
    {
      "address": "B2",
      "value": "02108",
      "storageType": "str"
    },
    {
      "address": "C2",
      "value": "123456789012345678",
      "storageType": "str"
    },
    {
      "address": "D2",
      "value": "03-04",
      "storageType": "str"
    },
    {
      "address": "E2",
      "value": "comma, inside",
      "storageType": "str"
    },
    {
      "address": "A3",
      "value": "00007",
      "storageType": "str"
    },
    {
      "address": "B3",
      "value": "00042",
      "storageType": "str"
    },
    {
      "address": "C3",
      "value": "000123456789012345",
      "storageType": "str"
    },
    {
      "address": "D3",
      "value": "1E10",
      "storageType": "str"
    },
    {
      "address": "E3",
      "value": "He said \"Hello\"",
      "storageType": "str"
    },
    {
      "address": "A4",
      "value": "00000",
      "storageType": "str"
    },
    {
      "address": "B4",
      "value": "00001",
      "storageType": "str"
    },
    {
      "address": "C4",
      "value": "987654321098765432",
      "storageType": "str"
    },
    {
      "address": "D4",
      "value": "2026-09-24",
      "storageType": "str"
    },
    {
      "address": "E4",
      "value": "São Paulo",
      "storageType": "str"
    }
  ],
  "files": [
    {
      "name": "csv-leading-zeros.csv",
      "bytes": 210,
      "sha256": "3bbd1cfed0a0839d50c177b691f2bccbc58c50b9f9cc56f34f7c2e6a6d7596a7"
    },
    {
      "name": "csv-leading-zeros.xlsx",
      "bytes": 16642,
      "sha256": "c2af3b996ea522b625971f5018b2d982508fa842cfa6d9015b4477d958433306"
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}