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XLTX Converter

Convert XLTX files to Excel, CSV, ODS, PDF, Word, images and more online.

or drag them here, or paste with Ctrl+V / ⌘V

Spreadsheets (XLSX, XLS, XLSM, XLTX, XLT, ODS, OTS, FODS, CSV, TSV, DIF, SLK, NUMBERS, ET, SDC), documents and e-books · up to 10 files at once

Conversion options

PDF pages

Leave empty for all, or type e.g. 1-3, 5, 8-

Resolution
PDF document
Page size
Images per page
Image resolution in the PDF
Image
Icon sizes (px)
Video

Lower resolutions reduce file size. The video will not be enlarged.

Audio
Bitrate

Higher means better sound and a larger file. “Auto” keeps the bitrate of the original (at least 128 kbit/s); from lossless files it uses the format’s high-quality setting.

Sample rate
Channels
Cut (optional)

Times such as 1:30 or 0:45.5. Leave empty to keep the whole recording.

Picture

The video shows this picture for the whole length of the sound – for example to upload music or a podcast to YouTube.

Video size
Document
Resolution
Pages to convert

Several pages arrive as a ZIP with one image per page.

Shown by e-readers in the library; leave empty to keep what the document says.

PDF/A-2b embeds all fonts so the file looks the same in many years; required by many courts and public offices.

Scales every sheet so it fits on a single page instead of being split across several.

Sheets

CSV and TSV hold one table: with “Every sheet” each sheet becomes its own file, together in a ZIP.

Separator

Excel in many European languages expects a semicolon; most other programs a comma.

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 7 days so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Spreadsheets are uploaded only after you accept and are converted on our server. The input is deleted after processing; results are kept for 7 days. Privacy details

How to use: XLTX Converter

  1. 1 Choose or drop your XLTX files (up to 10 at once).
  2. 2 Pick the output format for each file, or one format for all of them.
  3. 3 Optionally open “Options” – for example every sheet as its own CSV, or each sheet on one PDF page.
  4. 4 Click “Convert” and confirm the upload; follow the progress of each file.
  5. 5 Download the converted files when they are ready (kept for 7 days).

About this tool

XLTX is an Excel template: new workbooks start from it with its sheets, styles and formulas.

This converter turns XLTX files into any common format: XLSX, XLS, XLSM, XLT, ODS, OTS, FODS, CSV, TSV, DIF, SLK, PDF, HTML, DOCX, ODT, RTF, MD, RST, TEX, XPS, DJVU, JPG, PNG, WebP, AVIF, GIF, BMP and TIFF. Choose the target for each file and convert up to 10 files at once in the background.

Spreadsheets are converted on our server: the upload starts only after you confirm, the original is deleted after conversion and the result is kept for 7 days unless you delete it sooner.

Frequently asked questions

Which formats can I convert XLTX to?

To XLSX, XLS, XLSM, XLT, ODS, OTS, FODS, CSV, TSV, DIF, SLK, PDF, HTML, DOCX, ODT, RTF, MD, RST, TEX, XPS, DJVU, JPG, PNG, WebP, AVIF, GIF, BMP and TIFF.

Which format should I choose?

XLSX to keep working in Excel or Google Sheets; ODS for LibreOffice; CSV to import the data into another program; PDF to share or print the sheets; DOCX or Markdown to put the tables into a document.

Can I convert several XLTX files at once?

Yes, up to 10 at a time, each to its own format if you like. Each one is converted in the background with its own progress.

How large can a file be?

Each file can be up to 100 MB.

What happens to my files?

They are uploaded only after you confirm. Originals are deleted right after conversion; results are kept for 7 days unless you delete them sooner.

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