Want to import data from JSON file to Access ?
Try Withdata FileToDB, a desktop to Access converter for Windows, MacOS, and Linux, Convert 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 file(s) to online services.
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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
Import data from JSON file to Access in 4 steps
Login to Access -> Choose JSON file -> Set Access table -> Import JSON to Access
Choose Access and logon.
Click “Wizard – 1 File To 1 Table” at task dialog.
Select the “JSON” file type.
then show the wizard.
Step #1. Open a JSON file.
Step #2. Choose a Access table and config fields.
Step #3. Preview data.
Step #4. Import JSON to Access.
Import JSON to Access in command line
Save session, and then create .bat file for Windows command line, or .sh file for Linux / macOS.
Set scheduled tasks for importing JSON to Access
You can schedule and automate this “JSON to Access” conversion task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for ” to Access” conversion.
- Set scheduled task for ” to Access” conversion.
More about Withdata FileToDB – JSON to Access converter
Download Withdata FileToDB
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
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.