Word to PDF

Turn a Word document into a PDF that paginates the same way on every machine that opens it.

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What this tool does

Word to PDF hands your file to LibreOffice running headless on the processing service and asks it to export a PDF. That is a genuine re-render rather than a text extraction: the document is opened in the layout engine, laid out page by page, and printed to PDF, so headings, tables, images, numbered lists, running headers and footers and hard page breaks all arrive as page furniture. DOC, DOCX, ODT and RTF are all accepted, and every file you add is converted on its own and returned as a separate PDF carrying the source file's name.

The fidelity limit is worth knowing before you rely on the result. LibreOffice is not Word, and the largest single cause of difference is fonts: a typeface that is not installed on the server is replaced with the nearest one that is, substituted metrics set different character widths, and line breaks then move. A document can gain or lose a page that way. Anything unusual in the source — floating text boxes, tightly nested tables, drawing objects, uncommon field codes — is where the remaining differences cluster. Compare the page count and a couple of pages against the original before the PDF goes anywhere that matters.

Nothing sits above the file list to fill in, and the emptiness is deliberate rather than unfinished. A paper-size selector and an Embed fonts checkbox were written for this converter and then deleted from the code, because the Writer PDF export could act on neither: the filter takes its page setup out of the document itself, and any non-standard typeface is embedded automatically whether or not a tick box asks for it. So the paper size lives in the file, not on this page. Fix it in the word processor and convert again, or push the finished PDF through Change PDF Page Size.

The conversion runs on the server, not in this tab. Your document travels there over an encrypted connection, is converted in a scratch directory with its own LibreOffice profile so no two jobs can share state, and the upload and the returned PDF are deleted together once the retention window expires — hours, not days. One document may reach 200 MB and is abandoned if its conversion passes five minutes, which a long illustrated file is the one thing likely to reach. Queue several and the browser sends each as a separate job, which is also what the fair-use allowance counts: twenty jobs an hour while you are signed out.

How to use it

  1. Add the documents. One file or many, up to 200 MB each. A .doc, .docx, .odt or .rtf all convert; each returns its own PDF named after the file you sent.
  2. Expect nothing to configure. There is no settings panel here. Paper size, margins and orientation are properties of the document, so anything you want changed has to be changed in the word processor and saved before the upload.
  3. Run the job and wait for the export. LibreOffice opens the document, lays it out and writes the PDF. Five minutes is the ceiling for one document, so split a very long file rather than watching it time out.
  4. Check the pages before you send it on. Look at the page count first, then the first and last pages. Substituted fonts show up as line breaks that have moved, which is visible at a glance and tells you a typeface was missing.

Processing & privacy

Secure server processing. This operation requires temporary server processing.

Common use cases

Sending a CV or a covering letter

A DOCX repaginates on whoever opens it, according to the fonts and the printer their machine happens to have. A PDF settles that before it leaves you.

Circulating a policy or a contract

The recipient reads the layout you signed off rather than one their word processor rebuilt, and nobody can edit a clause by accident while reading it.

Submitting coursework or a tender

Portals routinely accept PDF only, and refuse an upload minutes before a deadline over a file extension rather than over anything in the writing.

Clearing out a folder of legacy files

Old .doc binaries and RTF drafts depend on software that keeps getting further away. Converting the set to PDF makes them readable without it.

Questions

Is my document uploaded?
Yes. LibreOffice does the conversion on the processing service, so the file is sent there over an encrypted connection, converted, and then deleted automatically when the retention window expires. No part of this tool runs in your browser tab.
Will the PDF match my Word document exactly?
Usually closely, occasionally not. The engine that lays it out is LibreOffice rather than Word, and fonts it does not have installed are substituted, which shifts line breaks and can change the page count. Plain reports and letters come through faithfully; documents built out of text boxes, layered graphics or heavily nested tables are where drift appears.
Which file types can I send?
A DOCX to PDF conversion is the common case, and .doc, .odt and .rtf go through the same converter. Every upload is identified by its leading bytes rather than its extension, but this particular operation is registered to accept any type, so a mislabelled file is not turned away at the door — LibreOffice works out what it really is, and the job fails only if it cannot open the thing at all.
Can I choose A4 or US Letter for the output?
No, and there is no control here that pretends otherwise. The export filter reads the paper size stored in the document, so change it in the source and convert again, or resize the finished PDF with Change PDF Page Size.
Can it open a password-protected document?
No. LibreOffice cannot read the file without the password, and the job fails with a message saying it may be protected or corrupt. Remove the protection in the original application first, then convert the unprotected copy.
Can I convert a batch in one go?
You can queue several, but the run is not fault-tolerant, and that is the one thing to know before you rely on it. The documents are converted one after another, and the first file LibreOffice refuses stops the whole run and throws away the PDFs that had already been produced — so you remove the offending file and start the set again. Nothing is merged either; use Merge PDF afterwards if you want them in one document.
Why does it sometimes ask me a question before starting?
A LibreOffice conversion is the most expensive job on this machine, so it sits behind a short verification step for signed-out visitors. It is asked once per document rather than once per batch, so a long queue means a long series of questions. Signing in with an active account skips it.
Can I go the other way, from PDF back to Word?
PDF to Word does that, but it is not the reverse of this. It rebuilds a document from the PDF's extracted text, so you get editable content rather than the layout you started with.

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