NeuroSpell is a universal auto-corrector powered by deep learning. This AI tool can automatically correct spelling, grammar, punctuation, and other errors in text across multiple languages such as French, English, Spanish, German, Italian, and more. It offers a wide range of features, including typo correction, complex flexions, elisions, language-specific confusions, and non-native error correction. NeuroSpell can be trained on domain-specific vocabulary and can also be deployed on-premise without sending any data outside the intranet. It has various industrial applications such as improving text-streams, aiding in writing and proofreading, optimizing customer workflows, enhancing speech-to-text, and correcting OCR errors. The tool is available for testing and users can provide feedback to help improve its performance.