Click the "Select File" button above, and choose your LYX file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert LYX to another file type
To convert LYX documents to another format, you need LyX or other Text software.
Convert a file to LYX
To convert other file formats to the "LaTeX Frontend Document" file type, you need software like LyX or a similar tool.
About LYX files
The .LYX file is a document created by the LyX document processor. It is primarily used for academic writing, scientific papers, and complex mathematical typesetting. Unlike standard word processors, LyX uses a WYSIWYM (What You See Is What You Mean) approach, separating content structure from visual formatting. To open or edit a .LYX file natively, you need to install LyX along with a complete TeX backend like TeX Live or MiKTeX. The .LYX format is highly proprietary to the LyX ecosystem. It is not standard LaTeX code (TEX), which means standard LaTeX editors like TeXstudio or Overleaf cannot read it directly. Furthermore, sharing a .LYX file with a colleague who uses Microsoft Word is problematic, as they will only see raw markup text. Installing the necessary software stack to view the file takes significant time and disk space. To make the file usable, you must convert it. Convert to PDF for sharing, printing, or archiving, as this locks in the exact typesetting. For standard LaTeX workflows, convert to TEX. If you must edit the text in standard office software, convert to DOCX or ODT, though note that complex equations will likely lose their formatting.
Convert.Guru analyzes your LYX file, detects the exact format, and lets you read the text inside.
If you want to convert LYX file to LATEX, PDF, LNX, TXT, RTF, DOC, DOCX, ODT, PAGES, TEX, MD or MARKDOWN, you can use LyX or similar software from the "Document Typesetting and Authoring" category. In the File menu, look for Save As… or Export….
To convert PDF, DOC, ASC, TODO, NFO, MEMO, README, DOCX, JPG, TXT, NOTE or RTF files to LYX, try LyX or another comparable tool in the "Document Typesetting and Authoring" category.
The LYX Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our LYX converter.