RST to DOCX Converter
Convert RST to DOCX online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
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Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is an RST file?
An RST (reStructuredText) file is a plain text file containing markup syntax defined by the Docutils project, primarily used for technical documentation in the Python programming ecosystem (PEP 287). It utilizes a lightweight, indentation-sensitive syntax to define document structure, hyperlinks, and formatting, which is designed to be readable in raw form but powerful enough to compile into HTML, LaTeX, or PDF via the Sphinx documentation generator.
How to open an RST file
As a plain text format, RST files can be opened and edited with any text editor, including Visual Studio Code, Vim, or Notepad++. However, to view the rendered document layout as intended, the file must be processed by a parser such as docutils (using commands like rst2html) or built within a Sphinx project environment.
RST Technical Info
- Full Name
- reStructuredText
- Developed By
- David Goodger / Docutils Community
- Initial Release
- 2001
- MIME Type
- text/x-rst
What is a DOCX file?
The DOCX format is the default document standard for Microsoft Word 2007 and newer, based on the Office Open XML (OOXML) specification standardized under ISO/IEC 29500 and ECMA-376. It functions as a compressed ZIP container that packages separate XML files (such as document.xml, styles.xml, and settings.xml) alongside media assets. This modular XML architecture allows for improved data recovery and smaller file sizes compared to legacy binary DOC files, while explicitly prohibiting the storage of VBA macros.
How to open a DOCX file
DOCX is natively supported by Microsoft Word 2007+ on Windows and macOS. Due to its status as an ISO standard, it has broad compatibility with non-Microsoft ecosystem tools; it can be opened and edited by Apple Pages, Google Docs, LibreOffice Writer, and Apache OpenOffice. Furthermore, because it is a ZIP archive, users can rename the extension to .zip to extract and inspect the internal XML structure and embedded media assets manually.
DOCX Technical Info
- Full Name
- Word Open XML Document
- Developed By
- Microsoft
- Initial Release
- 2006
- MIME Type
- application/vnd.openxmlformats-officedocument.wordprocessingml.document
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Developer API
Convert RST to DOCX via API
Automate RST to DOCX conversions in three steps: create a job, upload your file, then poll for the result.
# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"tag": "rst-to-docx",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "docx"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.rst
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
-H "Authorization: Bearer YOUR_API_KEY"Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.