What is FlyMSG: AI Writer, Autofill Text Expander & Grammar Checker?

FlyMSG is a browser extension that serves as an AI writing assistant, autofill text expander, and grammar checker. It allows users to create keyboard shortcuts (FlyCuts) to insert frequently used messages, rewrite text with AI, and fix grammar in real time across any website. It is trusted by over 25,000 professionals and works on LinkedIn, email, and other platforms.

How to use FlyMSG: AI Writer, Autofill Text Expander & Grammar Checker?

Install the extension from the Chrome Web Store, then open any website with a text input field. Use FlyCuts to expand saved messages, highlight text to rewrite or fix grammar with AI, or click the FlyMSG icon when commenting on LinkedIn. The time-saved counter tracks your productivity gains.

Core features of FlyMSG: AI Writer, Autofill Text Expander & Grammar Checker

Auto Text Expander: Deploy saved messages with short keyboard shortcuts on any website.
AI Writing Assistant: Rewrite sentences or paragraphs to be shorter, longer, more human, professional, or translate into 39 languages.
AI Grammar Checker: Real-time grammar, tone, clarity, and punctuation fixes with auto-complete and auto-correct.
AI LinkedIn Comment Generator: Generate thoughtful comments in your voice in under 45 seconds.
AI Social Media Post Generator: Turn blog URLs, YouTube videos, or topics into LinkedIn posts in under 9 seconds.
AI Persona: Configure brand voice and tone for consistent writing.
Time-saved analytics dashboard.