Want to convert each sheet data in an Excel file to a separate JSON file at one time?
Try Withdata Data File Converter, an Excel to JSON converter for Windows, MacOS, and Linux, Batch convert Excel sheets to JSON, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Convert files locally and privately, avoid uploading large Excel file(s) to online services.
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Convert each sheet data in an Excel file to a separate JSON file
Select source Excel file -> Set target JSON file -> Convert Excel sheet to JSON file
Click “Start a New Convert” at task dialog.
then show the wizard.
Select From “File” “Excel” To “Files” “JSON”.
1. Open a source Excel file, select sheets to convert to JSON files.
2. Config target JSON files.
3. Summary.
List selected sheets.
4. Convert each Excel sheet to a separate JSON file.
After converting, you can view output JSON files.
Convert each Excel sheet to a separate JSON file in command line
Save “SQL table to JSON” session, then you can:
- Convert each Excel sheet to a separate JSON file in Windows command line.
- Convert each Excel sheet to a separate JSON file in Linux command line.
- Convert each Excel sheet to a separate JSON file in macOS command line.
Set scheduled tasks for converting each Excel sheet data to a separate JSON file
You can schedule and automate this Excel sheet to JSON converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “Excel sheet to JSON” conversion.
- Set scheduled task for “Excel sheet to JSON” conversion.
FAQ
More about Withdata DataFileConverter – Excel sheets to JSON converter
Download Withdata DataFileConverter
See Video: Convert each worksheet in an Excel file to a separate JSON file at one time
EXCEL → JSON reference
Type mapping
| Value kind | in EXCEL | in JSON |
|---|---|---|
| Int | 1234 (a real numeric cell) | 1234 (number) |
| Bigint | 9007199254740993 (exact only while the cell stays text) | 9007199254740993 |
| Decimal | 1234.56 (numeric cell, format controls the displayed decimals) | 1234.56 (number) |
| Float | 1.234E+10 (numeric cell) | 1.234e10 (number) |
| Text | text cell; leading zeros survive only if the column is text | "text" (string) |
| Long text | text cell; wraps inside the cell rather than the row | "multi-line\ntext" (escaped newline inside a string) |
| Date | a serial number plus a date cell format | "2026-09-18" (string) |
| Datetime | a serial number plus a date-time cell format | "2026-09-18T14:30:00Z" (string) |
| Binary | not representable as data | "base64:..." (string) |
| Boolean | TRUE / FALSE (a real boolean cell) | true / false (boolean) |
| JSON | a text cell; the quotes are part of the value | nested object or array, kept as structure |
Dialect differences
Both EXCEL and JSON are file formats, so what differs below is how each one chooses to represent a value.
| Property | in EXCEL | in JSON |
|---|---|---|
| identifiers | Not applicable; a cell holds exactly one value | Double quotes; backslash escapes |
| dates | Stored as a serial number; only the cell format makes it lo... | No date type: dates arrive as strings and the reader must p... |
| binary | Only as text or an embedded object, not as a data column | Not supported natively - base64 inside a string |
| separator | Cells, not delimiters | Braces and commas |
| encoding | UTF-8 internally, declared in the package | UTF-8 by definition |
| typing | Real cell types: text, number, date, boolean, error | string, number, boolean, null, object, array - no date type |
| shape | Multiple sheets, each a flat grid | Nested objects and arrays |
| ceiling | 1,048,576 rows x 16,384 columns per sheet; 255 sheets per w... | Whole document is usually parsed into memory |
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