Want to convert TXT file to HTML file?
Try Withdata Data File Converter, a desktop TXT to HTML converter for Windows, MacOS, and Linux, Convert TXT to HTML table, 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.
Download Withdata DataFileConverter 
Convert TXT to HTML table
Choose TXT file -> Set HTML file -> Convert TXT to HTML table
Click “Start a New Convert” at task dialog.
Select From “File” “TXT” To “File” “Html”.
1. Open source TXT file.
Support large TXT file (big than 4GB).
Source TXT file’s content is like this:
2. Config target HTML file.
3. Set rows options.
4. Convert TXT to HTML table.
After converting, you can view the output HTML file.
More about TXT to HTML converter
Download Withdata DataFileConverter
See also:
TXT → HTML reference
Type mapping
| Value kind | in TXT | in HTML |
|---|---|---|
| Int | 1234, or right-aligned in a fixed-width column | <td>1234</td> |
| Bigint | 9007199254740993 | <td>9007199254740993</td> |
| Decimal | 1234.56 | <td>1234.56</td> |
| Float | 1.234e+10 | <td>1.234e+10</td> |
| Text | written as-is; padding depends on the chosen layout | <td>text</td> |
| Long text | written as-is | <td>multi-line text</td> (entities for & <) |
| Date | whatever the writer chose | <td>2026-09-18</td> |
| Datetime | whatever the writer chose | <td>2026-09-18 14:30:00</td> |
| Binary | not representable | not representable in a cell |
| Boolean | Y / N, or 1 / 0, or TRUE / FALSE | <td>true</td> |
| JSON | written as-is | <td>{"a":1}</td> (quotes escaped) |
Dialect differences
Both TXT and HTML are file formats, so what differs below is how each one chooses to represent a value.
| Property | in TXT | in HTML |
|---|---|---|
| identifiers | None by convention | Attribute values in quotes; entities for reserved characters |
| dates | Whatever the writer produced; no convention is guaranteed | Whatever text was rendered |
| binary | Not supported | data: URIs inside src attributes |
| separator | Whatever was chosen - often fixed column widths | Tags, not delimiters |
| encoding | No declaration - UTF-8 works only with a BOM | Declared in a meta charset tag or the HTTP header |
| typing | None - every field is text | None |
| shape | Free form; a parser has to be told the layout | Free form; tables are row/column structures inside markup |
Convert TXT to HTML the easy way
Use the TXT to HTML converter — an offline desktop app for Windows, macOS and Linux. Nothing to upload, large files and batch runs supported (free trial).
