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Office Oxide

Convert Office Documents to HTML

Every Office Oxide handle has a to_html() method that emits clean, semantic HTML5 from any supported format. Use it for browser previews, email rendering, or a quick visual diff.

One-shot

Python

import office_oxide

html = office_oxide.to_html("report.docx")
open("report.html", "w").write(html)

Rust

use office_oxide::to_html;

let html = to_html("report.docx")?;
std::fs::write("report.html", html)?;

JavaScript

import { toHtml } from 'office-oxide';
import { writeFileSync } from 'node:fs';

writeFileSync('report.html', toHtml('report.docx'));

Go

html, err := officeoxide.ToHTML("report.docx")
os.WriteFile("report.html", []byte(html), 0o644)

C#

File.WriteAllText("report.html", OfficeOxide.ToHtml("report.docx"));

Reusable handle

Python

from office_oxide import Document

with Document.open("slides.pptx") as doc:
    html = doc.to_html()

JavaScript

using doc = Document.open('slides.pptx');
const html = doc.toHtml();

Rust

let doc = office_oxide::Document::open("slides.pptx")?;
let html = doc.to_html();

What gets emitted

The HTML is fragment-style — no <html>, <head>, or <body> wrapper. You decide where to mount it and what stylesheet to apply.

Source HTML element
Heading <h1> … <h6> matching the source level
Paragraph <p>
Bold / italic / underline <strong>, <em>, <u>
List <ul> / <ol> with <li> children
Table <table> with <thead>, <tbody>, <tr>, <th>, <td>
Hyperlink <a href="...">
Image <img src="..." alt="...">
XLSX sheet <section data-sheet="name"> + <table>
PPTX slide <section data-slide="N"> + body + optional <aside> for notes

The output is escaped: any user content inside the document is HTML-escaped, so embedding the result in a page is safe by default.

Wrapping for a standalone page

from office_oxide import Document

with Document.open("report.docx") as doc:
    body = doc.to_html()

page = f"""<!DOCTYPE html>
<html><head><meta charset="utf-8"><title>Report</title>
<link rel="stylesheet" href="docs.css">
</head><body>{body}</body></html>"""

open("report.html", "w").write(page)

Use cases

  • In-browser preview of uploaded documents (<input type="file"> → WASM → <iframe srcdoc>).
  • Email rendering of generated reports.
  • Diff views — HTML diffs render meaningfully in code-review tools.
  • Search indexing with structure preserved (so headings can boost results).

See also