Convert TXT to HTML table

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
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

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.

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More about TXT to HTML converter

See also:

• Merge multiple TXT files into one HTML table
• Batch convert TXT files to HTML table files

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 &amp; &lt;)
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>{&quot;a&quot;: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).