ODT to PDF Converter

Convert ODT files to PDF format online. Free, fast, no watermarks.

Initializing... drag & drop files here

Supports: ODT

OptionsAdvanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Compression Type

ODT to PDF: The Route That Keeps Your Text Real

Almost everyone who arrives here wants the same thing — a file they can email, print, or upload to a portal that will look identical on the recipient's machine, without them needing LibreOffice. Converting ODT to PDF is the high-fidelity route: the page is exported, not photographed, so the words stay as words. The alternative — turning each page into a picture — is a different job entirely, and the table below is the fastest way to tell which one you actually need.

ODT to PDF vs ODT to an Image Format

What you need ODT to PDF ODT to JPG / PNG / TIF
Text you can select, copy and search Yes — a real text layer is written No — every glyph becomes pixels
Fonts Embedded in the file, subject to each font's embedding permission Baked into the raster; the font itself is gone
Output for a 10-page document One PDF containing all 10 pages 10 separate images, one per page
Resolution Resolution-independent — text stays sharp at any zoom Fixed at the DPI you chose before converting
Clickable hyperlinks Carried over as PDF links Flattened into flat coloured text
Reversible back to an editable document Reasonably, via a PDF-to-Word round trip Only through OCR, with errors
Opens on a phone with nothing installed Yes Yes
Typical use Emailing, printing, submitting, archiving Embedding one page in a slide, a post, or a web page

How to Convert ODT to PDF

  1. Upload Your ODT File: Drag your .odt onto the page or click "+ Add Files" to browse for it. Drop several documents at once and each one comes back as its own separate PDF — nothing is merged.
  2. Leave the Layout Alone: This is a direct export through LibreOffice — the application family whose own XML format the OpenDocument standard was derived from — so page size, margins, styles, headers, footers and pagination are read straight from your document. There is nothing you need to configure to get a faithful copy.
  3. Convert: Click "Convert" and wait. A ten-page ODT stays a single ten-page PDF; pages are never split into separate files on this route.
  4. Download Your PDF: Save the result. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark.

ODT and PDF at a Glance

Property ODT PDF
Full name OpenDocument Text Portable Document Format
Governed by OASIS, then ISO/IEC JTC 1 ISO (Adobe published the spec until 2008)
Standard number ISO/IEC 26300; v1.2 is ISO/IEC 26300-1:2015 ISO 32000-1 (PDF 1.7) and ISO 32000-2 (PDF 2.0)
First standardised OASIS Standard 1 May 2005; ISO/IEC 26300:2006 ISO 32000-1 published 2008
Latest version ODF 1.4, approved as an OASIS Standard 6 October 2025 PDF 2.0
Physical structure A ZIP archive holding XML parts plus embedded media A single binary file with an object cross-reference table
Text behaviour Reflows — line breaks move when you change fonts or margins Fixed — every glyph has a locked position on the page
Native applications LibreOffice Writer, Apache OpenOffice Writer Any PDF reader, plus every modern browser
Best for Writing and editing Distributing a finished document

When PDF Is the Wrong Answer

PDF is the default recommendation, but not always the right one. If the person receiving the file has to keep editing it, send them the ODT itself or convert it to DOCX — a PDF is a poor editing surface no matter which tool opens it. If you need a single page to drop into a slide deck, a forum post, or an <img> tag, an image is genuinely easier to place than a PDF, and ODT to JPG or ODT to PNG will render each page for you. And if you are feeding pages into an imaging or eDiscovery system that expects rasters, the image routes are what those pipelines are built around.

Frequently Asked Questions

Will my formatting shift when I convert ODT to PDF?

Far less than it would going through Microsoft Word. The OpenDocument specification was built on OpenOffice.org's own XML format, and LibreOffice is that lineage's direct descendant, so it lays your ODT out the way the file actually describes rather than re-interpreting it through a foreign layout engine. The one thing that can still move is a font: if your document references a typeface that is not present, LibreOffice substitutes a metrically similar one, which can nudge line breaks. Check the fonts your document uses before converting anything where pagination matters.

Does the PDF keep selectable, searchable text?

Yes. This route writes the text as text with the fonts embedded, so you can select, copy, search, and run text extraction on the result. That is the whole reason to prefer it over the image routes — ODT to JPG and its siblings paint the same page into pixels, and no amount of zooming brings the text layer back.

Will a 10-page ODT come back as 10 separate PDFs?

No. One ODT produces exactly one PDF, with all pages in order inside it. That is the opposite of the image routes on this site, where a 10-page document deliberately produces 10 numbered image files because JPG, PNG and PPM each hold a single picture. If you upload several ODT files at once, you get one PDF per document, not one combined PDF.

Is the output a PDF/A archival file?

No. PDF/A is a separate conformance profile with extra rules — no external references, mandatory font embedding, no encryption — and it has to be requested explicitly at export time. This converter produces a standard PDF. If your archive or court filing specifically demands PDF/A-1b, PDF/A-2b or PDF/A-3b, export it from LibreOffice's own PDF dialog, where the PDF/A checkbox lives.

Why is my PDF larger than the ODT it came from?

Because an ODT is a ZIP file and a PDF is not compressed the same way. An ODT stores its text as deflate-compressed XML, which is tiny; the PDF has to carry embedded font subsets and re-encoded copies of every image. A text-only document usually stays small either way, but a document with photographs can grow noticeably. Run the result through the PDF compressor if the size matters — it re-samples embedded images, which is where the bulk almost always is.

Can I convert the PDF back into an editable ODT afterwards?

Keep the original ODT — that is always the better answer, because no PDF-to-document conversion recovers the original styles, section breaks and list definitions exactly. If the ODT is genuinely gone, a PDF-to-Word conversion followed by re-saving as ODT gets you an editable approximation, but expect to redo the styling.

Does converting affect tracked changes, comments, or hidden text?

A PDF export produces the document as it would print, so anything not visible in the printed view does not appear on the page. Tracked changes and comments are handled by export settings inside LibreOffice rather than by the file format itself, so if a document's revision history is legally important, do not rely on a conversion to carry it — send the ODT.

Is my document private, and is there a size limit?

There is no sign-up and no watermark. Your file travels over an encrypted TLS connection, is processed on our servers, and is deleted automatically a few hours after conversion — never shared, never made public. The practical ceiling on a very large ODT is upload size and your connection speed rather than a fixed page limit; documents with hundreds of high-resolution photographs take the longest, because every embedded image has to be re-encoded into the PDF.

Rate ODT to PDF Converter Tool

Rating: 4.8 / 5 - 40 reviews