How to Convert XLSM to ODS — Quick & Free
Fast, instant XLSM to ODS conversion. No signup required. Just drop your .xlsm file and get .ods in seconds.
Batch Settings
About XLSM to ODS Conversion
Short answer: yes, you can convert XLSM to ODS online for free, and quality is well preserved with the right settings. Just upload your .xlsm file to CocoConvert, pick ODS as the output, and click Convert. The whole process takes seconds.
Now for the details. XLSM is a widely used file format. ODS (Open Document Spreadsheet) is the open-source alternative to XLSX. Converting between these two formats lets you convert between formats quickly.
Your XLSM file is decoded and re-encoded as ODS. Converting XLSM to ODS maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert XLSM to ODS
- 1
1. Upload XLSM
Drop your .xlsm file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select ODS
Choose .ods from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .ods file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert XLSM to ODS
Your XLSM file is decoded and re-encoded as ODS.
Your XLSM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in ODS format
The converted file is ready for download
Format Comparison
XLSM
.xlsm file
| Extension | .xlsm |
| MIME Type | application/vnd.ms-excel.sheet.macroEnabled.12 |
| Category | Spreadsheet |
ODS
.ods file
| Extension | .ods |
| MIME Type | application/vnd.oasis.opendocument.spreadsheet |
| Category | Spreadsheet |
Should You Convert XLSM to ODS?
When to Convert
- ✓When you need a ODS file
Frequently Asked Questions
Is XLSM to ODS conversion free?
Yes. CocoConvert offers free XLSM to ODS conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is XLSM to ODS conversion?
Most files convert in 2–10 seconds depending on size. Large spreadsheet files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded XLSM file and the converted ODS file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting XLSM to ODS lose quality?
Converting XLSM to ODS maintains high quality with CocoConvert's optimised encoder settings.
Can I convert ODS back to XLSM?
Yes, CocoConvert supports ODS to XLSM conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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