Google Docs lacks built-in features for certain tasks, but add-ons can extend its functionality. With hundreds of options available on the Google Marketplace, users can find add-ons to suit their needs, ranging from formatting text and tables to generating content and adding diagrams. The article highlights 15 best add-ons, including Super Styles, Screenplay Formatter, Code Blocks, TableMate, Auto-LaTeX Equations, Docs to Markdown, GPT Workspace, Docs Paragraph Translate, OneLook Thesaurus, LanguageTool, PlagiarismSearch, draw.io, Docs Creator, Foxy Labels, and Fax.Plus. These add-ons can simplify tasks such as creating custom text styles, formatting tables, generating synonyms, checking spelling and grammar, running plagiarism checks, adding diagrams, and sending faxes. The article also provides guidance on installing and removing add-ons, as well as tips for using the Google Docs add-on marketplace effectively.