LaTeX to PDF Converter
FileFlip converts LaTeX to PDF entirely inside your browser, using Pandoc and MuPDF compiled to WebAssembly. The file is never uploaded to a server: it is read off your disk, converted on your own machine, and saved back by the browser. That means no file-size limit, no queue and no account.
How do I convert a LaTeX file to PDF?#
- Drop your LaTeX file onto the converter at the top of this page, or click it to pick one from your computer. You can add as many as you like.
- Leave the target set to PDF and the conversion starts on its own. FileFlip downloads 65.8 MB of WebAssembly the first time and nothing after that, then runs Pandoc and MuPDF on your own machine.
- Save the PDF file. Your browser writes it straight to your downloads folder, because there was never a server holding it.
Does converting LaTeX to PDF lose quality?#
Not in the sense of pixels or samples. Converting LaTeX to PDF rebuilds the file in PDF's own model rather than re-encoding it, so everything PDF can represent comes through exactly and anything it cannot has to be dropped. Expect the words to come through exactly and the page breaks to move.
Is it safe to convert LaTeX files online?#
Yes, because nothing is uploaded. FileFlip converts LaTeX files inside the browser tab you already have open, using WebAssembly builds of the same engines a desktop converter would install. Your file is read from your own disk into the page's memory, and no request carrying it is ever made.
You do not have to take that on trust. Open your browser's network panel, run a conversion, and you will see the engine come down and your file go nowhere. There is no upload, no server-side copy, no retention window, and no account tied to what you converted.
How FileFlip works lists every engine, its version and its download size, and shows how to check for yourself that nothing leaves your machine.
What LaTeX to PDF actually does to the file#
Converting LaTeX to PDF runs on Pandoc and MuPDF, downloads 65.8 MB of WebAssembly the first time and nothing after that, rebuilds the file in the target's own model, keeps selectable text, and drops page layout.
| Engine | Pandoc and MuPDF |
|---|---|
| Conversion path | 2 steps: LaTeX → HTML → PDF |
| Downloaded to your browser | 65.8 MB, once, then cached by your browser |
| Quality | Rebuilt in the target's model |
| You get back | One file |
| Where it runs | In a background worker, so the page stays responsive |
What survives the conversion
| What is in the file | This conversion | Why |
|---|---|---|
| Selectable text | Kept | Carried through into the converted file. |
| Page layout | Dropped | The target format has nowhere to put it. |
Worth knowing before you start:
- reflowable input is laid out on a fixed 595x842pt page at 11pt before anything else happens
- the file passes through HTML on the way, so anything HTML cannot express does not survive
What is a LaTeX file?#
A TEX file holds LaTeX source: plain-text markup and commands that a TeX engine compiles into a typeset document, rather than a finished document you open and read directly.
Write in LaTeX when a document needs serious mathematical typesetting or has to match a journal's official LaTeX class file.
Convert a LaTeX file when the reader only needs the finished PDF, or when a collaborator without a LaTeX install needs to edit the text directly.
What is a PDF file?#
A PDF file records each character, image and line at a fixed position on the page, independent of any word processor's styles or fonts, which is what makes it print and display identically wherever it opens.
Use PDF to send a finished document to someone who needs to see the exact layout, on any device, without being able to accidentally change it.
Convert PDF to DOCX or another editable format when the real task is changing the wording, not just reading it, and accept that the layout will reflow rather than stay pinned in place.
LaTeX to PDF questions people ask#
Why won't my .tex file open in Word or Google Docs?
A .tex file is LaTeX source code, not a document those programs know how to render, so they either show raw markup or refuse the file. It has to be compiled by a TeX engine such as pdfTeX or XeLaTeX, or opened in a LaTeX editor that runs one for you, to produce the actual PDF.
What's the difference between a .tex file and a .pdf file?
The .tex file is the LaTeX source, the editable commands and text before typesetting. The .pdf is the compiled output, the finished pages a reader actually sees. Editing means changing the .tex file and recompiling, never the PDF itself.
Can I convert a LaTeX file to Word?
A LaTeX file can be converted to a .docx with tools like Pandoc, and plain text and headings usually come across cleanly. Complex math, custom macros and packages that Word has no equivalent for often need manual cleanup afterward, so treat the result as a draft rather than a final copy.
What's the difference between TeX and LaTeX?
TeX is Donald Knuth's original low-level typesetting engine, and LaTeX is a set of higher-level commands built on top of it that handle sections, citations and layout so an author doesn't write raw TeX. Almost every .tex file encountered today is LaTeX rather than plain TeX.