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XLSXHTML

XLSX to HTML Converter

File Converter

Your files. The format you need.

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Up to 50 files · Up to 100 MB per file

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Formats & limitations

A damaged or protected file, an unsupported codec, a blocked engine download, or limited browser memory can prevent conversion. Try a smaller compatible sample first.

This converter processes file content in your browser. Some formats download extra engine code first; the converter does not upload the file content to that code provider.

This document route rebuilds readable text in the new format. It does not preserve the original page layout, embedded pictures, tracked changes or rich styling. Compare the exported paragraphs with the source before editing or sharing. This route converts cell values rather than a complete workbook. Charts, macros and formatting are not retained. Formulas use cached results or inert text, and date serials may remain numbers. JSON input must be a table-like array of records or rows.

Up to 50 files · 100 MB · 500 MB. A damaged or protected file, an unsupported codec, a blocked engine download, or limited browser memory can prevent conversion. Try a smaller compatible sample first.

GEEDITOR / XLSX → HTML

About this conversion · XLSX → HTML

Move table values from XLSX into HTML for further work in another tool. Treat the result as a data transfer, not a workbook backup: formatting, charts and calculation logic need separate attention.

This route rebuilds supported cell values, not the complete workbook. Charts, macros and formatting are not preserved. Formulas become cached results or inert text; date serials can remain numbers, so check dates and identifiers after import.

How to convert

  1. Click “Choose files” and select the original XLSX file. Start with one file when comparing settings.
  2. Check that the output selector shows HTML. The instructions here describe this choice; changing the output can change which settings apply.
  3. Click “Convert files”, then save the result from its file row. “Download all” puts completed files into a ZIP; it does not combine their contents.
  4. Open the HTML result and compare row counts, headers, empty cells, dates and identifiers with the XLSX source. Preserve codes such as 00123 as text in the receiving application; do not assume its automatic type detection is correct.

Frequently asked questions

How do I keep the correct sheet, dates and identifiers?

This route rebuilds supported cell values, not the complete workbook. Charts, macros and formatting are not preserved. Formulas become cached results or inert text; date serials can remain numbers, so check dates and identifiers after import. Open the HTML result and compare row counts, headers, empty cells, dates and identifiers with the XLSX source. Preserve codes such as 00123 as text in the receiving application; do not assume its automatic type detection is correct.

What should I do when a file exceeds the limits?

Table processing is limited to 100 sheets, 100,000 rows per sheet, 1,024 columns per row and 1,000,000 cells in total. Text-table inputs are limited to 16 MB; split larger datasets while keeping headers consistent.

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