Want to batch convert TXT files to JSON files?
Try Withdata Data File Converter, a desktop TXT to JSON converter for Windows, MacOS, and Linux, Batch convert TXT to JSON, 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 TXT file(s) to online services.
- Support Windows, Linux, and macOS.
Batch convert TXT files to JSON files
Select source TXT files -> Set JSON files -> Convert TXT files to JSON files
Click “Start a New Convert” at task dialog.
then show the wizard.
Select From “Files” “TXT” To “Files” “JSON”.
1. Select source TXT files.
And config the first source TXT file.
2. Config target JSON files.
3. Summary.
List source TXT files.
4. Convert TXT files to JSON files, 1 TXT to 1 JSON.
After converting, you can view output JSON files.
More about TXT to JSON converter
Download Withdata DataFileConverter
See also:
TXT → JSON reference
Type mapping
| Value kind | in TXT | in JSON |
|---|---|---|
| Int | 1234, or right-aligned in a fixed-width column | 1234 (number) |
| Decimal | 1234.56 | 1234.56 (number) |
| Float | 1.234e+10 | 1.234e10 (number) |
| Text | written as-is; padding depends on the chosen layout | "text" (string) |
| Long text | written as-is | "multi-line\ntext" (escaped newline inside a string) |
| Date | whatever the writer chose | "2026-09-18" (string) |
| Datetime | whatever the writer chose | "2026-09-18T14:30:00Z" (string) |
| Binary | not representable | "base64:..." (string) |
| Boolean | Y / N, or 1 / 0, or TRUE / FALSE | true / false (boolean) |
| JSON | written as-is | nested object or array, kept as structure |
Dialect differences
Both TXT and JSON are file formats, so what differs below is how each one chooses to represent a value.
| Property | in TXT | in JSON |
|---|---|---|
| identifiers | None by convention | Double quotes; backslash escapes |
| dates | Whatever the writer produced; no convention is guaranteed | No date type: dates arrive as strings and the reader must p... |
| binary | Not supported | Not supported natively - base64 inside a string |
| separator | Whatever was chosen - often fixed column widths | Braces and commas |
| encoding | No declaration - UTF-8 works only with a BOM | UTF-8 by definition |
| typing | None - every field is text | string, number, boolean, null, object, array - no date type |
| shape | Free form; a parser has to be told the layout | Nested objects and arrays |
| ceiling | No formal limit | Whole document is usually parsed into memory |
Data File Converter without the manual work
For batch jobs, large files and scheduling use the Data File Converter converter — an offline desktop app for Windows, Linux and macOS. Free trial.
