The fastest way to Make Bubble Letters in Google Docs: Select the text you want to apply bubble font to > Click on the Font Family drop-down and choose “ More Fonts” > Search for the bubble font, pick one, and click “ OK“.The fastest way to Make Bubble Letters in Google Docs: Using Drawing Tool: Open a Google Docs file > Go to Insert > Drawing > New > Select “ WordArt” from the Actions drop-down in the drawing toolbar > Type your text and press Enter > Select the “ Impact” font and customize the fill and border color > Adjust the size, height, and width > Click “ Save and Close” to add it to your document.