Spreadsheet Format
XLTX Converter — Free Online
Convert Excel Template files to and from other formats. Fast, free, no registration required.
Encrypted in transitFiles auto-delete in 2 hoursNo signup needed
or import from
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
1
Upload your XLTX file by dragging it into the upload area or clicking to browse.
2
Select the output format you want to convert to (or from) XLTX.
3
Click Convert and download your converted file in seconds.
Convert to XLTX
Convert from XLTX
What is XLTX?
XLTX is the standard Microsoft Excel template format in Office Open XML. It stores cell formatting, conditional rules, charts, and formulas as reusable templates without macros.
Format Details
- Full Name
- Excel Template
- Extension
- .xltx
Key Features
- OOXML format
- Excel template
- No macros
- Standardized
Frequently Asked Questions
Upload your file, select XLTX as the output format, and click Convert. Your converted file will be ready to download in seconds.
You can convert most spreadsheet formats to XLTX, including XLSX, CSV, XLS, ODS, SXC, and more.
Yes! You can convert up to 5 files per day completely free. No registration required.