Want to convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel file?
Try Withdata Data File Converter, a JSON lines to Excel converter for Windows, Mac, and Linux, Convert JSON Lines to Excel, 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 JSON file(s) to online services.
Download Withdata DataFileConverter 
JSON Lines text format (JSONL), also called Newline-delimited JSON (NDJSON), or Line-delimited JSON (LDJSON). JSON Lines files may be saved with the file extension .jsonl, *.ndjson, *.ldjson.
Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel file
Choose JSON Lines (JSONL / NDJSON / LDJSON) file -> Set target Excel file -> Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel
Click “Start a New Convert” at task dialog.
then show the wizard.
Select source/target file type.
1. Open a JSON Lines (JSONL / NDJSON / LDJSON) file.
2. Config target Excel file.
3. Set rows options.
4. Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel.
See Excel file
Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel in command line
Save “JSON Lines (JSONL / NDJSON / LDJSON) to Excel” session, then you can:
- Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel in Windows command line.
- Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel in Linux command line.
- Convert JSON Lines (JSONL / NDJSON / LDJSON) to Excel in macOS command line.
Set scheduled tasks for converting JSON Lines (JSONL / NDJSON / LDJSON) to Excel
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “JSON Lines to Excel” conversion.
- Set scheduled task for “JSON Lines to Excel” conversion.
FAQ
More tools for JSONL / NDJSON / LDJSON.
Download Withdata DataFileConverter
JSON Lines → EXCEL reference
Type mapping
| Value kind | in JSON Lines | in EXCEL |
|---|---|---|
| Int | 1234 (number) | 1234 (a real numeric cell) |
| Bigint | 9007199254740993 | 9007199254740993 (exact only while the cell stays text) |
| Decimal | 1234.56 (number) | 1234.56 (numeric cell, format controls the displayed decimals) |
| Float | 1.234e10 (number) | 1.234E+10 (numeric cell) |
| Text | "text" (string) | text cell; leading zeros survive only if the column is text |
| Long text | "multi-line\ntext" | text cell; wraps inside the cell rather than the row |
| Date | "2026-09-18" (string) | a serial number plus a date cell format |
| Datetime | "2026-09-18T14:30:00Z" (string) | a serial number plus a date-time cell format |
| Binary | "base64:..." (string) | not representable as data |
| Boolean | true / false (boolean) | TRUE / FALSE (a real boolean cell) |
| JSON | nested object on the same line | a text cell; the quotes are part of the value |
Dialect differences
Both JSON Lines and EXCEL are file formats, so what differs below is how each one chooses to represent a value.
| Property | in JSON Lines | in EXCEL |
|---|---|---|
| identifiers | Double quotes; backslash escapes (a newline inside a string... | Not applicable; a cell holds exactly one value |
| dates | No date type: dates arrive as strings | Stored as a serial number; only the cell format makes it lo... |
| binary | Not supported natively - base64 inside a string | Only as text or an embedded object, not as a data column |
| separator | Newline between records | Cells, not delimiters |
| encoding | UTF-8 by definition | UTF-8 internally, declared in the package |
| typing | Same as JSON, but records cannot nest across lines | Real cell types: text, number, date, boolean, error |
| shape | Flat stream | Multiple sheets, each a flat grid |
| ceiling | Streams, so it scales past what a single JSON document can ... | 1,048,576 rows x 16,384 columns per sheet; 255 sheets per w... |
Convert JSON to Excel the easy way
Use the JSON to Excel converter — an offline desktop app for Windows, macOS and Linux. Nothing to upload, large files and batch runs supported (free trial).
