XML to OTS Converter
Convert XML to OTS 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 XML file?
XML (Extensible Markup Language) is a flexible text format derived from SGML (ISO 8879) and defined by the W3C (World Wide Web Consortium) Recommendation. It utilizes a self-descriptive tree structure of nested tags and attributes to store and transport data, independent of hardware or software platforms. Unlike HTML, XML does not use predefined tags; it relies on custom schemas (XSD) or DTDs to define the document structure.
How to open an XML file
Since XML is encoded in plain text (usually UTF-8), it can be opened and edited with any text editor such as Notepad++, Sublime Text, or Visual Studio Code. Web browsers like Chrome and Firefox natively render the file as a collapsible Document Object Model (DOM) tree for viewing structure.
XML Technical Info
- Full Name
- Extensible Markup Language
- Developed By
- World Wide Web Consortium (W3C)
- Initial Release
- 1998
- MIME Type
- text/xml
What is an OTS file?
The OpenDocument Spreadsheet Template (OTS) is a file format defined by the OASIS OpenDocument standard (ISO/IEC 26300) specifically for creating reusable spreadsheet blueprints. Structurally identical to the ODS format, it uses ZIP compression to package XML content and styles. The primary technical distinction lies in the file header flags, which instruct the software to open a new, untitled instance of the spreadsheet rather than modifying the original template file, preserving the source data structure and formulas.
How to open an OTS file
OTS files function seamlessly with ODF-compliant software including LibreOffice Calc and Apache OpenOffice across all major operating systems. While Microsoft Excel can open these files, users may need to manually select the file type in the open dialog. Double-clicking an OTS file typically launches a new workbook based on the template rather than opening the template file itself for editing.
OTS Technical Info
- Full Name
- OpenDocument Spreadsheet Template
- Developed By
- OASIS
- Initial Release
- 2005
- MIME Type
- application/vnd.oasis.opendocument.spreadsheet-template
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Why RunConvert
The fastest way to convert any file
Purpose-built for speed, privacy, and breadth of format support.
Convert XML to OTS in seconds
Every XML to OTS conversion runs on our servers, so your device stays fast and the output quality stays intact.
Fast, cloud-powered
No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.
Secure & private
Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.
Free - no account needed
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Developer API
Convert XML to OTS via API
Automate XML to OTS 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": "xml-to-ots",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "ots"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.xml
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$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.