CONVERT / DOCX TO ODT
DOCX to ODT Converter
Convert DOCX files to ODT with TLS uploads and automatic deletion. OpenDocument text format used by LibreOffice and OpenOffice.
- Input
- DOCX
- Output
- ODT
- Free max size
- 25 MB
- Retention
- 1h / 24h on Free

Drop a DOCX
or browse — 15 MB without an account
About DOCX
Microsoft Word's XML-based document format.
About ODT
OpenDocument text format used by LibreOffice and OpenOffice.
Get Convyx Pro
No watermark, $9/mo
- No watermarks on output files
- Unlimited files per batch upload
- 500 MB max file size
- All formats, including audio & video
How it works
Drop your file
Drag a DOCX file in, or click to browse. Image conversions can run here without an account; heavier live formats use the signed-in queue.
We convert it
Secure upload, converted to ODT in our office pipeline.
Download the result
Grab your ODT file immediately, or find it later in your dashboard.
Why convert DOCX to ODT?
Both DOCX and ODT use no compression scheme of its own, so the conversion mainly changes compatibility, not quality. The main reason to convert DOCX to ODT is compatibility: ODT readable on virtually any device, with or without the original app installed, while DOCX doesn't always. If you're sharing a file with someone else, sending it to a tool that expects a specific format, or archiving it for the long term, ODT is usually the safer target.
Format comparison
| DOCX | ODT | |
|---|---|---|
| Extension | .docx | .odt |
| MIME type | application/vnd.openxmlformats-officedocument.wordprocessingml.document | application/vnd.oasis.opendocument.text |
| Compression | no compression scheme of its own | no compression scheme of its own |
| Category | document | document |
Common reasons to convert DOCX to ODT
- Sending a file to someone who doesn't have DOCX's original app installed
- Submitting to a system — a job application, a government form, a print shop — that requires ODT specifically
- Maximizing compatibility with older or stricter tools that expect an uncompressed ODT file
Your file, handled carefully
Uploads use TLS in transit and AES-256 SSE-S3 at rest in production (when the production S3 credential gate is enabled), are processed in an isolated job, and deleted on the schedule you choose — as fast as immediately. We don't index, search, or share files between accounts. Read the full security model →
Frequently asked questions
Is converting DOCX to ODT free?
Yes — the Free plan includes 50 conversions every month, including DOCX to ODT. Paid plans raise that limit.
Will I lose quality converting DOCX to ODT?
ODT is opendocument text format used by libreoffice and openoffice. We use the highest-quality encoder settings by default so visual or data loss is minimized.
Do you keep a copy of my file?
Files are deleted automatically based on your plan's retention options. Free accounts can keep results for 1h or 24h; Pro and above add options such as delete-immediately and 7 days.
What is DOCX?
Microsoft Word's XML-based document format.
What happens if a conversion fails?
You get a clear error message and the job is marked failed in your history — we never silently drop a file. Retry is one click. Monthly quotas count attempts (including failures) because processing starts as soon as the job is created.
Related converters
Same family or reverse pair. Live pairs run now; queued pages still explain the conversion.