Want to convert EXCEL file to JSON file from cloud storage or website?
Try Withdata Data File Converter, a Excel to JSON converter for Windows, MacOS, and Linux, Convert cloud Excel 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.
- Support Windows, Linux, macOS.
Download Withdata DataFileConverter 
Convert cloud EXCEL to JSON file
Click “Start a New Convert” at task dialog.
then show the wizard.
Select source/target file type.
1. Input the EXCEL URL, and download the EXCEL file.
2. Open the saved EXCEL file.
3. Config target JSON file.
4. Set rows options.
5. Convert cloud EXCEL to JSON.
See JSON file
Convert cloud Excel to JSON in command line
Save “Excel to JSON” session, then you can:
- Convert cloud Excel to JSON in Windows command line.
- Convert cloud Excel to JSON in Linux command line.
- Convert cloud Excel to JSON in macOS command line.
Set scheduled tasks for converting cloud Excel to JSON
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “Cloud Excel to JSON” conversion.
- Set scheduled task for “Cloud Excel to JSON” conversion.
FAQ
More about Withdata DataFileConverter – Cloud Excel to JSON converter
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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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