Want to bulk import JSON files into Access tables at one time?
Try Withdata FileToDB, a desktop JSON to Access converter for Windows, MacOS, and Linux, Batch import JSON to Access, 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 locally and privately, avoid uploading large or private JSON file(s) to online services.
- Support Windows, Linux, and macOS.
Bulk import JSON files into Access tables
Login to Access -> Choose JSON files -> Set Access tables -> Import JSON files to Access tables
Choose Access and logon.
Click “Wizard – N Files To N Tables” at task dialog.
Select the “JSON” file type.
then show the wizard.
1. Select a folder that constains JSON files.
2. Config first JSON file importing options.
3. Set “Import Type”.
4. Map Access tables to JSON files.
5. Summary. Set “Convert Rows” and “Skip Rows” if need.
6. Import JSON files to Access tables, 1 file to 1 table, one by one.
View imported data in Access table
Bulk import JSON files into Access tables in command line
Save “bulk JSON files to Access tables” session, then you can:
- Bulk import JSON files into Access tables in Windows command line.
- Bulk import JSON files into Access tables in Linux command line.
- Bulk import JSON files into Access tables in macOS command line.
Set scheduled tasks for bulk importing JSON files into Access tables
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “JSON to Access” conversion.
- Set scheduled task for “JSON to Access” conversion.
FAQ
More about Withdata FileToDB – JSON to Access converter
Download Withdata FileToDB
See Video: Convert JSON to Access
See also:
JSON → Access reference
Type mapping
| Value kind | in JSON | in Access |
|---|---|---|
| Int | 1234 (number) | Long Integer |
| Bigint | 9007199254740993 | Long Integer |
| Decimal | 1234.56 (number) | Decimal |
| Float | 1.234e10 (number) | Double |
| Text | "text" (string) | Text(n) |
| Long text | "multi-line\ntext" (escaped newline inside a string) | Long Text |
| Date | "2026-09-18" (string) | Date/Time |
| Datetime | "2026-09-18T14:30:00Z" (string) | Date/Time |
| Binary | "base64:..." (string) | OLE Object |
| Boolean | true / false (boolean) | Yes/No |
| JSON | nested object or array, kept as structure | Long Text |
Dialect differences
JSON is a file format and Access is a database server, so the target has to be told the types the file never carried – the rows below are where the two sides diverge.
| Property | in JSON | in Access |
|---|---|---|
| port | — | (file-based) |
| identifiers | Double quotes; backslash escapes | [square brackets] |
| row limit | — | SELECT TOP n |
| dates | No date type: dates arrive as strings and the reader must p... | Date/Time |
| long text | — | MEMO |
| binary | Not supported natively - base64 inside a string | OLE Object |
| separator | Braces and commas | — |
| encoding | UTF-8 by definition | — |
| typing | string, number, boolean, null, object, array - no date type | — |
| shape | Nested objects and arrays | Tables of rows and columns |
| ceiling | Whole document is usually parsed into memory | — |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
