Convert OpenDocument Spreadsheet to HTML Online Free

Convert OpenDocument Spreadsheet files to HTML to publish LibreOffice Calc data on the web, integrate tables into CMS platforms, and share spreadsheet data in any browser.

Quick Answer

ChangeThisFile converts your OpenDocument Spreadsheet to HTML using LibreOffice on our secure servers, exporting cell data, formatting, and table structure from the ODS XML format as a web-ready HTML file with styled tables. Ideal for open-standards data publishing workflows. Encrypted upload, automatic file deletion, completely free with no signup required.

Free, no signup Under 1 minute

Convert OpenDocument Spreadsheet to HTML

Drop your OpenDocument Spreadsheet file here to convert it instantly

Drag & drop your .ods file here, or click to browse

Convert to HTML instantly

OpenDocument Spreadsheet vs HTML: Format Comparison

Key differences between the two formats

FeatureOpenDocument SpreadsheetHTML
Format typeXML spreadsheet container (.ods / ZIP)Web markup language
SpecificationISO/IEC 26300 open standardW3C HTML Living Standard
Developed byOASIS consortiumW3C
Primary useOpen-source data analysis and calculationWeb publishing and data display
RenderingLibreOffice Calc or compatible appAny web browser, no software needed
Formula standardOpenFormulaStatic values only
CompatibilityLibreOffice, OpenOffice, Google SheetsEvery web browser, every device

When to Convert

Common scenarios where this conversion is useful

Publishing ODS data to open web platforms

Convert LibreOffice Calc spreadsheet data to HTML for publication on open-source websites, community portals, and open-data platforms.

CMS table integration

Import ODS spreadsheet data into WordPress, Drupal, Ghost, or any HTML-accepting content management system as styled HTML tables.

Open government data publishing

Government and public sector organizations using ODS for data collection can publish datasets as web-accessible HTML tables for public access.

Documentation and knowledge base tables

Convert ODS data tables to HTML for embedding in documentation sites, wikis, and knowledge bases like Confluence or Notion.

Email data tables

Export ODS spreadsheet content to HTML tables for inclusion in email newsletters and reporting communications.

How to Convert OpenDocument Spreadsheet to HTML

  1. 1

    Upload your OpenDocument Spreadsheet file

    Drag and drop your .ods file onto the converter, or click to browse. Files up to 50 MB are supported for free.

  2. 2

    Server-side conversion with LibreOffice

    Your file is securely uploaded and converted on our servers using LibreOffice Calc headless, reading the ODS XML format and exporting cell data as structured HTML with inline CSS.

  3. 3

    Download the result

    Once conversion is complete, click Download to save your .html file. The uploaded file is automatically deleted from our servers.

Frequently Asked Questions

Yes, completely free. Convert ODS to HTML with no cost, no signup, and no watermarks.

LibreOffice exports an HTML file with HTML table elements representing the ODS spreadsheet data. Cell formatting, colors, and borders are preserved as inline CSS styles.

No. OpenFormula formulas are evaluated before conversion. The HTML output contains computed cell values only, as HTML is a static format.

LibreOffice exports all sheets from the ODS file. Each sheet's data appears in the HTML output, with the first or active sheet typically displayed first.

Yes. Cell colors, borders, fonts, and number formats from the ODS file are preserved as inline CSS styles in the HTML output.

No. Files are automatically deleted immediately after conversion. Nothing is stored or retained.

Yes. Files are transferred over encrypted HTTPS connections. Your data is protected in transit.

The conversion uses LibreOffice Calc headless on our servers. ODS is LibreOffice's native spreadsheet format, ensuring full and accurate HTML export.

Yes. You can remove or override the inline styles from the output HTML and apply your own CSS classes to match your website's design.

Charts may be exported as image files alongside the HTML document, with references included in the HTML output.

Files up to 50 MB are supported for free conversion.

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