This month, I’m sharing Harper. It’s a fast, open-source grammar and spell checker that runs entirely on your device, ensuring your writing never leaves your computer. Designed as a privacy-first alternative to mainstream tools, it supports U.S., U.K., Canadian, and Australian English, and is built to be lightweight, efficient, and easy to integrate into web and desktop applications. Whether you’re a developer looking to add grammar checking to your app or a writer seeking a fast, private editing experience, Harper delivers instant feedback without compromising your data or slowing down your workflow.
What tools do you use while writing? Do you have a specific workflow? Please share in the comments below!
Have a cool app, tool, or tech tip you’d like to share? Contact Chase Masters. Please note that Tech Tips are personal recommendations and might not be officially endorsed or supported by U-M.
