Want to export data from Access table to JSON lines (JSONL / NDJSON / LDJSON)?
Try Withdata DBToFile, Support Windows, Linux, and macOS, Export Access data to JSON lines (JSONL / NDJSON / LDJSON), 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, and macOS.
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 Access table to JSON lines (JSONL / NDJSON / LDJSON)
Login to Access -> Choose Access table -> Set JSON lines file options -> Export Access to JSON lines (JSONL / NDJSON / LDJSON)
Choose Access and logon.
“Export From Table” for “Access to JSON lines (JSONL / NDJSON / LDJSON)”.
Select JSON file type.
1. Choose Access table.
2. Set JSON lines (JSONL / NDJSON / LDJSON) file options.
3. Set rows options.
4. Export Access 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
Access → JSON Lines reference
Type mapping
| Value kind | in Access | in JSON Lines |
|---|---|---|
| Int | Long Integer | 1234 (number) |
| Bigint | Long Integer | 9007199254740993 |
| Decimal | Decimal | 1234.56 (number) |
| Float | Double | 1.234e10 (number) |
| Text | Text(n) | "text" (string) |
| Long text | Long Text | "multi-line\ntext" |
| Date | Date/Time | "2026-09-18" (string) |
| Datetime | Date/Time | "2026-09-18T14:30:00Z" (string) |
| Binary | OLE Object | "base64:..." (string) |
| Boolean | Yes/No | true / false (boolean) |
| JSON | Long Text | nested object on the same line |
Dialect differences
Access 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 Access | in JSON Lines |
|---|---|---|
| port | (file-based) | — |
| identifiers | [square brackets] | Double quotes; backslash escapes (a newline inside a string... |
| row limit | SELECT TOP n | — |
| dates | Date/Time | No date type: dates arrive as strings |
| long text | MEMO | — |
| binary | OLE Object | 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 ... |
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