Batch convert HTML files to XML files

Shiji Pan

1 year ago

Want to batch convert HTML files to XML files?

Try Withdata Data File Converter, a desktop HTML to XML converter for Windows, MacOS, and Linux, Batch convert HTML to XML, 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 HTML file(s) to online services.
Support Windows, Linux, and macOS.

Click “Start a New Convert” at task dialog.

then show the wizard.

Select From “Files” “HTML” To “Files” “XML”.

And config the first source HTML file.

List source HTML files.

After converting, you can view output XML files.

HTML → XML reference

Value kind	in HTML	in XML
Int	`<td>1234</td>`	`<int>1234</int>`
Bigint	`<td>9007199254740993</td>`	`<bigint>9007199254740993</bigint>`
Decimal	`<td>1234.56</td>`	`<decimal>1234.56</decimal>`
Float	`<td>1.234e+10</td>`	`<float>1.234e10</float>`
Text	`<td>text</td>`	`<char>text</char>`
Long text	`<td>multi-line text</td> (entities for & <)`	`<text>multi-line text</text> (entities for & <)`
Date	`<td>2026-09-18</td>`	`<date>2026-09-18</date> (xs:date with an XSD)`
Datetime	`<td>2026-09-18 14:30:00</td>`	`<datetime>2026-09-18T14:30:00Z</datetime> (xs:dateTime)`
Binary	`not representable in a cell`	`<blob>base64...</blob> (xs:base64Binary)`
Boolean	`<td>true</td>`	`<bool>true</bool>`
JSON	`<td>{"a":1}</td> (quotes escaped)`	`escaped inside an element, or its own sub-tree`

Both HTML and XML are file formats, so what differs below is how each one chooses to represent a value.

Property	in HTML	in XML
identifiers	`Attribute values in quotes; entities for reserved characters`	`Attribute values in quotes; entities (& < >) for ...`
dates	`Whatever text was rendered`	`Text (xs:date / xs:dateTime when an XSD is in play)`
binary	`data: URIs inside src attributes`	`base64Binary / hexBinary inside text`
encoding	`Declared in a meta charset tag or the HTTP header`	`Declared in the XML declaration`
typing	`None`	`None in the markup itself`
shape	`Free form; tables are row/column structures inside markup`	`Arbitrary tree`
ceiling	`No formal limit`	`Whole document is usually parsed into memory`

For batch jobs, large files and scheduling use the Data File Converter converter — an offline desktop app for Windows, Linux and macOS. Free trial.