Convert XML to BBCode Online

Paste an XML table below, edit it if you need to, and get BBCode back. The conversion runs in your browser, so nothing is uploaded, there is no size limit and there is no signup.

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The output will appear here once there is a table to convert.

What XML is

XML marks up data with nested named tags and optional attributes. It is verbose, strict about being well-formed, and can carry a schema that says what shape a document must have.

Enterprise integrations, government data feeds, RSS, SOAP services and older document formats.

What BBCode is

BBCode uses square-bracket tags. Table support is not universal, but table, tr, th and td are widely implemented.

phpBB, vBulletin and forum software descended from them.

What changes when you convert XML to BBCode

The first repeating element is treated as the rows. Attributes are read alongside child elements and prefixed so they do not collide with a same-named tag. Nesting one level deep becomes dotted column names; deeper structures are kept as text.

Check that your forum has table tags enabled. Many boards ship with them switched off.

What carries over from XML to BBCode

XML records 4 things about a table that BBCode has no way to hold.

An empty cell and a missing one are the same thing in BBCode, so a null and an empty string in the XML both come out blank and can no longer be told apart.

XML can hold a value that is itself a list or an object. BBCode has only flat cells, so nested values are flattened into one cell rather than being spread across columns.

A line break inside a cell ends the row in BBCode, so line breaks are replaced rather than carried through.

The keys stop being repeated: BBCode writes the column names once at the top, so the same table takes noticeably less space.

BBCode is the end of the line for this data. Reading the table back out of it is a separate and much harder problem than writing it, so keep the XML if you will need the values again.

The identifier 007 comes out of the BBCode as 007. Reading it as a number would have made it 7, and an id that changes value is worse than one that stays text.

The role "Analyst, data" survives with its comma, in one cell rather than split across two. That is the first thing to check in any converted table, and the usual place a BBCode file goes wrong.

The quotes around Jonah "Jo" Pryce are left as a plain quote character in the BBCode.

A worked example

Three rows of staff data, with an identifier that has a leading zero, a value containing a comma, a value containing quotes and one blank cell. Those are the four places formats disagree, so they are the four places to look.

XML in
<?xml version="1.0" encoding="UTF-8"?>
<staff>
  <person id="007">
    <name>Halima Yusuf</name>
    <role>Analyst, data</role>
    <started>2024-03-15</started>
    <hours>38.5</hours>
  </person>
  <person id="012">
    <name>Jonah "Jo" Pryce</name>
    <role>Engineer</role>
    <started>2025-11-02</started>
    <hours></hours>
  </person>
  <person id="104">
    <name>Wei Chen</name>
    <role>Manager</role>
    <started>2023-06-30</started>
    <hours>40</hours>
  </person>
</staff>
BBCode out
[table]
  [tr][th]id[/th][th]name[/th][th]role[/th][th]started[/th][th]hours[/th][/tr]
  [tr][td]007[/td][td]Halima Yusuf[/td][td]Analyst, data[/td][td]2024-03-15[/td][td]38.5[/td][/tr]
  [tr][td]012[/td][td]Jonah "Jo" Pryce[/td][td]Engineer[/td][td]2025-11-02[/td][td][/td][/tr]
  [tr][td]104[/td][td]Wei Chen[/td][td]Manager[/td][td]2023-06-30[/td][td]40[/td][/tr]
[/table]

Questions

How do I convert XML to BBCode?

Paste your XML into the box above or drop the file onto it. Check the table in the grid, then copy or download the BBCode from the output panel. It takes one step and the data never leaves your browser.

Can I convert the BBCode back to XML afterwards?

Not mechanically. BBCode keeps how the table looks, not what it held, so going back means reading the values off the page again. Keep the XML if you will need it.

What happens to nested values?

BBCode has no nested cell, so a list or object inside a XML value is flattened into a single cell rather than expanded into extra columns. Split it before converting if the parts need to be separate.

One of my cells has a line break in it - what happens?

A line break would end the row in BBCode, so it is replaced instead of carried through. The rest of the cell stays where it belongs.

Is there a limit on file size?

No. The work happens on your own machine, so the limit is your machine's memory rather than an upload cap. A file with tens of thousands of rows converts in a second or two.

Is my data uploaded anywhere?

No. The parsing and generating are done by JavaScript running on this page. You can watch the network tab while you convert and see that nothing is sent.

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