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Document conversion
Convert documents without sending them anywhere.
Each file is converted on this device through HTML — the most flexible shared language for headings, lists, tables, links, and emphasis. 7 formats in the live matrix, 42 ordered conversions, no upload.
Your file stays in this browser tab. Cloudflare only serves the converter.
Conversion matrix
Rows are the source. Columns are the destination. HTML is the hub in between.
| From \ To | HTML | Markdown | Word | RTF | OpenDocument | EPUB | |
|---|---|---|---|---|---|---|---|
| HTML | — | .md | .docx | .rtf | .odt | .epub | |
| Markdown | .html | — | .docx | .rtf | .odt | .epub | |
| Word | .html | .md | — | .rtf | .odt | .epub | |
| RTF | .html | .md | .docx | — | .odt | .epub | |
| OpenDocument | .html | .md | .docx | .rtf | — | .epub | |
| .html | .md | .docx | .rtf | .odt | — | .epub | |
| EPUB | .html | .md | .docx | .rtf | .odt | — |
Supported types
HTML
.html .htm .xhtml
The web’s native document format: structured markup for headings, paragraphs, lists, tables, links, and media.
Markdown
.md .markdown .mdown .mkd
A lightweight plain-text syntax for structured writing that compiles to HTML. The lingua franca of README files, wikis, and note apps.
Microsoft Word (Office Open XML)
.docx
The default Word format since 2007: a ZIP package of XML parts for body text, styles, media, and document settings.
Rich Text Format
.rtf
A text-based interchange format from Microsoft for basic rich text: fonts, colors, bold/italic, and simple pictures.
OpenDocument Text
.odt
The ISO text format used by LibreOffice Writer and OpenOffice: a ZIP of XML, the open counterpart to DOCX.
A page-description format that paints glyphs and graphics onto fixed pages. Universal for print, archival, and sharing.
EPUB
.epub
The open ebook format: a ZIP of XHTML chapters, CSS, and a package manifest. What Apple Books, Google Play Books, and most non-Kindle readers consume.
Catalogued, not in the matrix yet
These types are specified in the catalog so adapters can be added without inventing the metadata later.
Microsoft Word 97–2003
.doc
The legacy binary Word format (OLE Compound File). Still common in older archives and some government workflows.
HTML in: planned. HTML out: unsupported.
LaTeX
.tex .latex .ltx
A typesetting language for scientific and technical documents. Source is plain text; the usual product is PDF.
HTML in: planned. HTML out: planned.
reStructuredText
.rst .rest
A plain-text markup language from the Python documentation world, compiled by Sphinx and Docutils.
HTML in: planned. HTML out: planned.
AsciiDoc
.adoc .asciidoc .asc
A plain-text markup language for technical books and docs, implemented by Asciidoctor and Antora.
HTML in: planned. HTML out: planned.