Now that you’ve got your text message HTML file on your computer, it’s time to start thinking about turning this into a usable PDF file. For this, we’ll use a free online tool known as PDF Crowd. Step #7 - Head over to the. Make sure that the ‘Convert HTML File’ tab is selected and then click the ‘Browse’ button. This will open a window where you’ll be able to choose the HTML file that we saved in the step above. Step #8 - When you’ve found the file, click the ‘OK’ button, followed by the ‘Convert to PDF’ button.