Want to export data from Visual FoxPro table to JSON lines (JSONL / NDJSON / LDJSON)?
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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.
Export data from Visual FoxPro table to JSON lines (JSONL / NDJSON / LDJSON)
Login to Visual FoxPro -> Choose Visual FoxPro table -> Set JSON lines file options -> Export Visual FoxPro to JSON lines (JSONL / NDJSON / LDJSON)
Choose Visual FoxPro and logon.
“Export From Table” for “Visual FoxPro to JSON lines (JSONL / NDJSON / LDJSON)”.
Select JSON file type.
1. Choose Visual FoxPro table.
2. Set JSON lines (JSONL / NDJSON / LDJSON) file options.
3. Set rows options.
4. Export Visual FoxPro data to JSON lines (JSONL / NDJSON / LDJSON) table.
After exporting, you can view output JSON lines (JSONL / NDJSON / LDJSON) file.
More tools for JSONL / NDJSON / LDJSON.
Download Withdata DBToFile
Windows 64 bit
Windows 32 bit
Linux .deb (For Debian, Ubuntu) 64 bit
Linux .rpm (For Red Hat, Fedora, SUSE) 64 bit
MacOS 64 bit
Visual FoxPro → JSON Lines reference
Type mapping
| Value kind | in Visual FoxPro | in JSON Lines |
|---|---|---|
| Int | Numeric(10,0) | 1234 (number) |
| Bigint | Numeric(19,0) | 9007199254740993 |
| Decimal | Numeric(p,s) | 1234.56 (number) |
| Float | Float | 1.234e10 (number) |
| Text | Character(n) | "text" (string) |
| Long text | Memo | "multi-line\ntext" |
| Date | Date | "2026-09-18" (string) |
| Datetime | DateTime | "2026-09-18T14:30:00Z" (string) |
| Binary | General | "base64:..." (string) |
| Boolean | Logical | true / false (boolean) |
| JSON | (none) | nested object on the same line |
Dialect differences
Visual FoxPro is a database server and JSON Lines is a file format, so the gap is wider than a dialect difference - the rows below are where values and structure stop lining up.
| Property | in Visual FoxPro | in JSON Lines |
|---|---|---|
| port | (file-based) | — |
| identifiers | — | Double quotes; backslash escapes (a newline inside a string... |
| row limit | (driver dependent) | — |
| dates | Date (D), DateTime (T) | No date type: dates arrive as strings |
| long text | Memo (M) | — |
| binary | General (G) | Not supported natively - base64 inside a string |
| separator | — | Newline between records |
| encoding | — | UTF-8 by definition |
| typing | — | Same as JSON, but records cannot nest across lines |
| shape | Tables of rows and columns | Flat stream |
| ceiling | — | Streams, so it scales past what a single JSON document can ... |
No counterpart
- JSON Lines has no equivalent for JSON - it has to be flattened or dropped.
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