What file types can I convert to HTML with this tool?

You can convert DOC, DOCX, ODT, PPT, PPTX, RTF, TXT, and XLSX files into HTML format using this converter.

Is there a limit on the number or size of files I can upload?

Yes, you can upload up to 10 files at once, with each file being no larger than 25MB.

Will the converted HTML perfectly match the original document's layout?

The output may differ for complex documents, especially presentations with animations, as embedded elements may be extracted or flattened.

Can I convert PDF files using this tool?

While the uploader accepts PDFs, official supported formats for advertised conversion focus on DOC, DOCX, ODT, PPT, PPTX, RTF, TXT, and XLSX.

Is my data secure when using this online converter?

File uploads are sent securely over HTTPS to the conversion server. However, files are temporarily stored during processing, and it's advised to avoid uploading sensitive information.

HTML File Converter - Convert Documents to HTML Online

Convert DOC, DOCX, PPT, TXT, and other document formats to HTML quickly and easily. Use our online HTML File Converter to prepare web-ready files for SEO and browser display.

Upload Your File | Maximum Size Upto 25MB

Quick Access to 12 HTML File Conversion Pairs

What Is This Tool?

HTML File Converter by OnlinePrimeTools is an online utility designed to convert various document formats into HTML, the standard markup language for displaying content on the web. It enables users to transform text-based files into web-compatible HTML files suitable for browser viewing and digital publishing.

How to Use This Tool?

Drag and drop your supported document files or click 'Choose Files' to select manually
Upload up to 10 files, each no larger than 25MB
Click the 'Convert' button to start the HTML conversion process
Wait while the server processes the files into HTML format
Download the converted HTML files from the redirected download page

Key Features

Supports converting DOC, DOCX, ODT, PPT, PPTX, RTF, TXT, and XLSX to HTML format
Drag-and-drop upload and manual file selection options
Processes up to 10 files at once with a maximum size of 25MB each
AJAX-based upload with server-side conversion and quick download redirection
Generates lightweight, UTF-8 encoded HTML suitable for web display and SEO

Examples

Convert a DOCX file containing a report into an HTML webpage for online publishing
Turn a PPT presentation into an HTML page suitable for intranet training portals
Change TXT and RTF notes into browser-viewable HTML content for educational sites

Common Use Cases

Publishing documents online as web pages without requiring special software
Creating editable and SEO-friendly HTML bases for style and script enhancement
Preparing manuals, policies, or training materials compatible with LMS portals
Extracting structured text content for digital publishing and indexing
Converting presentations and word-processing files into web-displayable formats

Tips & Best Practices

Ensure files are under 25MB and limit uploads to 10 files to avoid processing errors
Review converted HTML as complex layouts and embedded elements may differ from the original
Use the HTML output as a base for further styling with CSS or adding interactive scripts
Avoid uploading sensitive documents unless reviewed against the privacy policy
Leverage the lightweight, text-based HTML files for better performance and SEO indexing

Limitations

Maximum upload size is 25MB per file and a maximum of 10 files per conversion
Conversion accuracy may vary, especially for PPT/PPTX files with animations
Complex layouts and embedded assets such as images or charts may be flattened or altered
No options for customizing formatting or advanced conversion settings
Files are temporarily stored during processing with no explicit data retention guarantees

Frequently Asked Questions

What file types can I convert to HTML with this tool?: You can convert DOC, DOCX, ODT, PPT, PPTX, RTF, TXT, and XLSX files into HTML format using this converter.
Is there a limit on the number or size of files I can upload?: Yes, you can upload up to 10 files at once, with each file being no larger than 25MB.
Will the converted HTML perfectly match the original document's layout?: The output may differ for complex documents, especially presentations with animations, as embedded elements may be extracted or flattened.
Can I convert PDF files using this tool?: While the uploader accepts PDFs, official supported formats for advertised conversion focus on DOC, DOCX, ODT, PPT, PPTX, RTF, TXT, and XLSX.
Is my data secure when using this online converter?: File uploads are sent securely over HTTPS to the conversion server. However, files are temporarily stored during processing, and it's advised to avoid uploading sensitive information.

Key Terminology

HTML: HyperText Markup Language, the standard markup language for creating web pages viewed in browsers.
UTF-8: A character encoding that supports multiple languages and is the default encoding for HTML files.
AJAX: A web technology enabling asynchronous file uploads and interactions without refreshing the page.

Quick Knowledge Check

Which of the following is NOT a supported input format for HTML File Converter?

DOCX

MP3

PPTX

What is the maximum number of files you can upload at once?

5 files

10 files

20 files

What is a key advantage of converting documents to HTML?

Files become editable only by special software

Documents can be viewed easily in web browsers

Files become encrypted for security