18 Best ODT to PDF Converters in 2026 (Free and Paid)

ODT to PDF is the conversion you do when you need a print-ready, shareable, immutable version of a LibreOffice document. Reports, contracts, applications, forms — once they are signed off in LibreOffice Writer, exporting to PDF locks the layout for everyone who opens it, regardless of which office suite they use. The conversion is clean because LibreOffice produces both formats well and its PDF export is excellent. This guide compares 18 ODT to PDF converters in 2026.

How to Convert is listed first because it is made by the same indie developer who writes this blog. ODT → PDF is one of the simplest document conversions: LibreOffice authored both standards, and its export gets layout, fonts, and embedded images right by default.

Quick Picks for ODT → PDF

• Best: LibreOffice Writer's Export as PDF.
• Best CLI batch: LibreOffice headless.
• For docs-as-code workflows: Pandoc with LaTeX.
• One-shot: How to Convert.

One-shot: ODT to PDF converter.

1. How to Convert

Drop ODTs in, pick PDF, hit convert. Local.

Pricing

• One-time license; free trial.

2. LibreOffice — gold standard

File → Export As → Export as PDF. The export dialog includes options for PDF/A archival format, password protection, embedded fonts, hybrid PDF/ODT, and digital signing.

CLI:

libreoffice --headless --convert-to pdf input.odt

Pricing

• Free, open source.

3. Microsoft Word

Reads ODT, exports PDF. Slightly different layout than LibreOffice on some documents.

Pricing

• Microsoft 365 or perpetual Office.

4. Pandoc with LaTeX

pandoc input.odt -o output.pdf --pdf-engine=xelatex

Cleanest typography for academic and technical content.

Pricing

• Free, open source.

5. Apple Pages

Imports ODT, exports PDF.

Pricing

• Free with macOS.

6. Google Docs

Upload ODT, File → Download → PDF.

Pricing

• Free with Google account.

7. PDF24

Free Windows PDF toolkit with ODT → PDF (LibreOffice backend).

Pricing

• Free for personal use.

8. OnlyOffice

Free Office suite alternative with PDF export.

Pricing

• Free.

9. Adobe Acrobat

File → Create → PDF from File → ODT. Right when you also need to sign or annotate the resulting PDF.

Pricing

• Subscription.

10. PDF Expert (Mac)

Mac PDF editor with ODT import.

Pricing

• Subscription or one-time.

11. Foxit PDF Editor

Acrobat alternative.

Pricing

• Subscription or perpetual.

12. CloudConvert

Web ODT → PDF with engine choice.

Pricing

• Free tier; paid above.

13. Convertio

Web ODT → PDF.

Pricing

• Free with caps; paid above.

14. Smallpdf

Web converter.

Pricing

• Free with daily limits; paid above.

15. iLovePDF

Web converter.

Pricing

• Free with limits; paid above.

16. Online-Convert

Web converter.

Pricing

• Free with limits; paid above.

17. FreeConvert

Web converter.

Pricing

• Free with caps; paid above.

18. Zamzar

Long-running web converter.

Pricing

• Free with daily limits; paid above.

How to Choose

• Standard: LibreOffice.
• Batch: LibreOffice headless.
• Print-quality typography: Pandoc with LaTeX.
• Sensitive doc: stay local.

Final Thoughts

ODT → PDF is one of the cleanest document conversions. LibreOffice handles it natively with excellent output and free. For batch jobs, headless mode runs through hundreds of files in minutes. For sensitive content, keep it local.