Click Add Text, enter text in the Text box, and select a font from the Font dropdown, or from the list at botton of page to display the text on the template. Left click and drag to position - Mouse Wheel to re-size. Set the lines of the template to match the selected font.
elect fonts from your computer (dropdown or list), or hit 60 Google Fonts to download ~ 60 Google Web Fonts. Or hit 1 Google Font to add a single font you've chosen from the 100s of available Google Fonts by entering the Font Name.

To align the guidelines with text on the template, first add text in your chosen font and re-size with your Mouse wheel.
As you adjust the lines with the sliders, the vertical spaces expand or contract from the top down, so start at the top and work down.
Left click text and drag to position the top of the text to the top line in the first row on the template.

Next drag the Ascender slider to align the top of the Body of the text. Then drag the Base Height line to align with the base of the body of the text, then the Descender to align with the bottom of the text. If you need extra lines, drag them from the bottom up to where you want them. Extra lines are colored blue.

You can also adjust the guidelines to suit text already hand written or printed on paper.
Hold the written sheet of paper over the screen, align the top of the text to the top guide line, and adjust as above.
If your screen is not 100% scale, adjust the Scale +- slider until the displayed Row Height matches the actual row height on paper.

Click one of the Fonts below to select and add to template.