AI spell check tools find and fix misspelled words in your writing, flagging typos and offering the correct spelling as you type or after you paste text. The focus is narrow and specific: catching spelling mistakes rather than grammar or style. Common options include Grammarly, LanguageTool, and QuillBot, while SwiftKey AI Keyboard corrects spelling live on your phone.
Everyone who types makes spelling slips, and AI spell checkers smarter than the old red-squiggle kind use context to tell their from there or affect from effect. That context awareness is the real upgrade: a classic spell checker only knows whether a word exists, while an AI one knows whether it's the right word for the sentence. For anything more than spelling, you'll want a grammar checker or proofreader, since these tools deliberately stay in their lane.