HTML (HyperText Markup Language) and PDF (Portable Document Format) are built for different jobs. HTML is typically used for web pages, e-mail templates, while PDF is best for sharing, printing, signing documents. Converting lets you open, share or upload your files wherever PDF is expected.
How to use the HTML to PDF converter
- Add your HTML filesClick “Choose Files” or drag and drop them into the box. You can add many files at once — or paste a file with Ctrl+V.
- Choose PDF and adjust settingsPDF is selected automatically. Optionally open Settings to change output options.
- Convert and downloadPress “Convert”. Your PDF files appear instantly — download them one by one or all together as a ZIP.
HTML vs PDF
HTML HyperText Markup Language
HTML is the language of web pages. An HTML file opens in any browser and keeps headings, links, lists and images.
- Compression
- Text markup
- Features
- Links, images, styles
- Origin
- 1993, W3C
- Best for
- Web pages, e-mail templates
PDF Portable Document Format
PDF keeps a document looking exactly the same on every device — fonts, images and layout included. It is the standard for contracts, invoices, forms, e-books and printing.
- Compression
- Mixed
- Features
- Fixed layout, fonts, forms
- Origin
- 1993, Adobe (ISO 32000)
- Best for
- Sharing, printing, signing documents
Why use ConvertMathly?
Files are processed on your device and never uploaded. Close the tab and they are gone.
No account, no daily cap, no queue and no watermark — convert as much as you want.
No waiting for uploads or downloads: results are ready as fast as your device can process them.
Windows, Mac, Linux, Chromebook, iPhone and Android — any modern browser, nothing to install.
Frequently asked questions
How do I convert HTML to PDF?
Add your HTML files above, make sure PDF is selected and press Convert. The PDF files are ready to download a few seconds later — no installation or account required.
Is there a file size or daily limit?
No. Since everything runs locally, there are no daily caps, queues or file size limits beyond what your device can handle.
Are my HTML files uploaded to a server?
No. ConvertMathly converts files entirely inside your web browser using JavaScript and WebAssembly. Your files never leave your computer or phone, which makes it safe for private photos and documents.
Can I convert multiple HTML files at once?
Yes — add as many files as you like. They are converted one after another and you can download everything in a single ZIP.