Best spelling checker AI tools

EduDetector is a leading AI detection and writing suite trusted by educators and content creators worldwide. It offers 99%+ accurate AI content detection for models like ChatGPT, GPT-4, and Claude, along with a comprehensive set of tools including citation generation, grammar checking, summarization, paraphrasing, content rewriting, and an AI humanizer. Designed to uphold academic integrity and enhance content authenticity, EduDetector supports a seamless workflow for validating and refining written work.

SafeSpelling is an AI-powered writing assistant designed to eliminate spelling, grammar, and punctuation errors. It helps users enhance their writing clarity, style, and professionalism. Ideal for students, professionals, and writers who want to produce flawless text with confidence.

GrammarBot is a privacy-focused AI grammar and spelling checker for macOS. It operates entirely offline using a local Large Language Model (LLM), ensuring your text never leaves your computer. With a simple hotkey integration, it works across all your applications. It's available for a one-time purchase, offering a lifetime license without any subscriptions.

PunctuationCheck is a free online tool designed to instantly correct punctuation, spelling, and grammar errors in your English writing. It supports multiple English dialects, offers one-click corrections, and features a user-friendly editor. Ideal for students, professionals, and writers looking to polish their text, enhance clarity, and maintain a professional image without any cost or sign-up.