HTM to PDF Converter — Frequently Asked Questions

Question 1

What is the difference between .htm and .html files?

Accepted Answer

.htm and .html are identical — both contain standard HTML markup. The .htm extension originates from the DOS-era 8.3 filename convention, which limited extensions to three characters. Windows IIS, legacy site generators, and older Windows Help files (.chm) use .htm. Modern systems use .html. Every browser, web server, and converter treats them identically.

Question 2

How do I convert an .htm file to PDF online?

Accepted Answer

Drop your .htm file onto the converter above and click Convert. The converter loads the file in a browser rendering engine, applies all CSS styles and inline fonts, then exports the rendered page as a PDF. Download the .pdf when processing completes. No browser extension, no software install, and no account required.

Question 3

Does the converter apply CSS styles and load embedded fonts?

Accepted Answer

Yes. CSS declared in <style> blocks and inline style attributes is fully applied. Fonts referenced with @font-face and loaded from relative paths are embedded. External resources (Google Fonts, CDN stylesheets) are fetched during rendering — pages that rely heavily on external CDN assets may fall back to system fonts if those resources are unavailable at conversion time.

Question 4

What is the maximum file size for online conversion?

Accepted Answer

The online converter accepts .htm files up to 50 MB. Most .htm files are under 1 MB — the size limit is only relevant if your file contains large base64-encoded images. For batch conversion of a legacy website archive or entire .chm help file extraction, use the desktop Total HTML Converter, which has no size limit.

Question 5

Can I batch convert a folder of .htm files to PDF?

Accepted Answer

The online converter processes one file at a time. For batch work, the desktop Total HTML Converter converts entire folders in one pass: TotalHTMLConverter.exe C:\Site\*.htm /pdf /out C:\PDF_Archive\ — add /subfolders to process nested directories recursively. Useful for archiving legacy intranets or converting CHM help content to portable PDFs.

Question 6

Will the PDF look exactly like the .htm file in a browser?

Accepted Answer

The PDF closely matches a desktop browser render of the page at standard viewport width. Static CSS layouts, tables, images, and fonts are preserved. JavaScript-driven dynamic content (AJAX-loaded data, Vue/React components) does not execute — only the static HTML in the file is rendered. Pages built entirely with static HTML and CSS convert with high fidelity.

Question 7

Why would I need to convert .htm files to PDF?

Accepted Answer

The main use cases are archiving legacy web content as self-contained documents, converting .chm (Windows Help) pages to portable PDFs, sharing fixed-layout documents that render identically without a browser, and submitting to document management systems or legal archives that require PDF format rather than HTML.

File extension	.HTM
Category	Document File
Description	HTM is a file extension for HTML documents, which are used to create and format web pages. These files contain markup code that structures web content using tags and elements, including text, images, and links. HTM is functionally identical to HTML and is commonly used for compatibility with legacy systems and older operating systems.
Associated programs	Web browsers (Chrome, Firefox, Edge), Text editors, IDEs
Developed by	World Wide Web Consortium (W3C)
MIME type	text/html
Useful links	HTM to PDF Converter More detailed information on HTM files
Conversion type	HTM to PDF

File extension	.PDF
Category	Document File
Description	Adobe Systems Portable Document Format (PDF) format provides all the contents of a printed document in electronic form, including text and images, as well as technical details like links, scales, graphs, and interactive content. You can open this file in free Acrobat Reader and scroll through the page or the entire document, which is generally one or more pages. The PDF format is used to save pre-designed periodicals, brochures, and flyers.
Associated programs	Adobe Viewer Ghostscript Ghostview Xpdf CoolUtils PDF Viewer
Developed by	Adobe Systems
MIME type	application/pdf application/x-pdf
Useful links	More detailed information on PDF files

Convert HTM to PDF Online

CONVERT HTM to PDF ONLINE

How to convert HTM to PDF?

HTM File

PDF File