Does it support LibreOffice/OpenOffice features?

Common ones: headings, lists, tables, images, styles. Advanced features (macros, forms, complex layouts) may not convert perfectly.

What about embedded spreadsheets?

Images of the rendered content. For editable spreadsheet data, extract separately as CSV first.

Yes — both as numbered references with the actual notes at page bottom or document end.

A4 by default, Letter and Legal available. Original ODT page size is honored if unambiguous.

Convert an OpenDocument Text file into a PDF. Part of the DevTools Surf developer suite. Browse more tools in the PDF collection.

OpenDocument Format (ODF) became an ISO/IEC standard (26300) in 2006, two years before the competing OOXML format from Microsoft.
An .odt file is a ZIP archive containing content.xml, styles.xml, meta.xml, and mimetype — you can unzip it with any ZIP tool.
ODF is the default document format used by governments in the UK, Brazil, India, and several EU nations for public sector documents.

Does it support LibreOffice/OpenOffice features?: Common ones: headings, lists, tables, images, styles. Advanced features (macros, forms, complex layouts) may not convert perfectly.
What about embedded spreadsheets?: Images of the rendered content. For editable spreadsheet data, extract separately as CSV first.
Do footnotes/endnotes transfer?: Yes — both as numbered references with the actual notes at page bottom or document end.
Page size?: A4 by default, Letter and Legal available. Original ODT page size is honored if unambiguous.

Convert an OpenDocument Text file into a PDF. Part of the DevTools Surf developer suite. Browse more tools in the PDF collection.

OpenDocument Format (ODF) became an ISO/IEC standard (26300) in 2006, two years before the competing OOXML format from Microsoft.
An .odt file is a ZIP archive containing content.xml, styles.xml, meta.xml, and mimetype — you can unzip it with any ZIP tool.
ODF is the default document format used by governments in the UK, Brazil, India, and several EU nations for public sector documents.

Does it support LibreOffice/OpenOffice features?: Common ones: headings, lists, tables, images, styles. Advanced features (macros, forms, complex layouts) may not convert perfectly.
What about embedded spreadsheets?: Images of the rendered content. For editable spreadsheet data, extract separately as CSV first.
Do footnotes/endnotes transfer?: Yes — both as numbered references with the actual notes at page bottom or document end.
Page size?: A4 by default, Letter and Legal available. Original ODT page size is honored if unambiguous.