Free Excel (XLSX) to HTML converter

Why convert XLSX to HTML?

People convert XLSX to HTML because an XLSX needs a spreadsheet program, and plenty of systems accept nothing but plain text, while HTML can be published on the web or opened in any browser on any device.

How to convert XLSX to HTML

1. Choose your XLSX file. Drop it on the box above, or tap to browse. You can pick several files at once.
2. Confirm the target is .html. It is preselected when your browser can encode it; otherwise the closest available target is chosen. Adjust quality, size or the other options if you want to.
3. Convert and download. Press Convert, then Download. Your file stays on your device the whole time.

What is a .xlsx file?

XLSX is the modern Excel workbook: multiple sheets, cell formatting, formulas and dates that know they are dates. It is what most people mean by “a spreadsheet”, and like DOCX it is really a ZIP of XML underneath.

What is a .html file?

HTML is the language of web pages: headings, paragraphs, lists, links, tables and images, marked up as structure rather than layout. Any browser on any device can open one, which makes it a convenient universal document format as well as a web one.

What to expect from this conversion

Headings, paragraphs, bold and italic text, lists, quotes, tables and embedded pictures are all carried across. Exact page layout, fonts and multi-column arrangements are not — and a scanned PDF holds no text at all, so there is nothing to extract without OCR. Only cell values cross over, not formulas — what you see in the sheet is what you get.

Is it private?

Yes, by design. Every conversion happens inside your own browser using your device’s processor — there is no server that receives your XLSX file, so there is nothing for anyone to store, scan or leak. You can confirm it yourself: open your browser’s developer tools, watch the Network tab while you convert, and you will see no upload.

Questions about XLSX to HTML

Is this Excel to HTML converter free?

Yes, completely. There is no account, no daily limit, no watermark and no premium tier.

Is my XLSX file uploaded to a server?

No. The conversion runs inside your own browser using your device's processor. The file is read from your disk, converted in memory and saved back to your disk — nothing is transmitted, so there is nothing for anyone to store.

Can I convert Excel to HTML online without downloading software?

Yes. This is an online Excel to HTML converter that runs in your browser, so there is nothing to install and no app to trust with your files. It works the same on a phone.

What happens to the quality?

Headings, paragraphs, bold and italic text, lists, quotes, tables and embedded pictures are all carried across. Exact page layout, fonts and multi-column arrangements are not — and a scanned PDF holds no text at all, so there is nothing to extract without OCR. Only cell values cross over, not formulas — what you see in the sheet is what you get.

Can I convert several XLSX files at once?

Yes. Select as many files as you like and they are converted one after another in a single tap, with a download for each and a zip of all of them.

Can I convert Excel to HTML without Python or a script?

Yes — that is what this page is for. Python does the same job well if you already have it set up and thousands of files to process; for one file, or a handful, the browser is faster than installing anything.

Should I keep the original XLSX file?

Yes — keep it, converting never touches it. The reason to make a copy in another format is that an XLSX needs a spreadsheet program, and plenty of systems accept nothing but plain text.

Related conversions

See all 399 conversions · Read the guides