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FlyMSG AI Writer Autofill Chrome Extension

Save time by writing, expanding and engaging with AI snippets.

Checked 3 Oct 2026 Reviewed by Alex Listed since October 2024

Screenshot of FlyMSG AI Writer Autofill Chrome Extension

At a glance

Starts at Free trial, then $19 per month Includes access to AI writing and grammar features. Trial version does not include FlyCuts or premium features.
Free tier Yes
Platforms Web browser extension only
Best for Professionals who save hours daily
Not for Recruiters without urgent message needs

4.8 out of 5

Scored by Alex after real use

Our verdict

FlyMSG helps professionals draft emails, LinkedIn posts, and comments faster. It excels in creating consistent content but may struggle for more complex tasks like detailed reports or legal documents.

✓What it does well

AI WritingHighlight sentences to rewrite instantly with AI.
Grammar CheckerFix grammar in real time, works on every website.
FlyCuts SnippetsSave and reuse frequently used messages quickly.

✕Where it falls short

Limited LanguagesDoesn't support languages beyond the included set (80+).
No Video SupportCannot expand or rewrite video captions and transcriptions.
Premium FeaturesSome advanced features require a paid subscription to access.

Key features

Auto Text ExpanderSave and reuse frequent messages with shortcuts.
AI RewriterRewrite sentences in various tones or languages instantly.
AI Grammar CheckerFix grammar mistakes as you type on any website.
Video Caption ExpansionExpand and rewrite video captions in multiple languages.

Questions about FlyMSG AI Writer Autofill Chrome Extension

What does FlyMSG AI Writer Autofill Chrome Extension do?

FlyMSG is a browser extension that helps professionals draft emails, LinkedIn posts and comments faster. It rewrites highlighted sentences with AI in various tones or languages, fixes grammar in real time on any website, and its FlyCuts snippets save frequently used messages for reuse through shortcuts.

How much does FlyMSG AI Writer Autofill Chrome Extension cost?

FlyMSG has a free tier and a free trial, after which paid use starts at $19 per month. The paid plan includes the AI writing and grammar features, while the trial version does not include FlyCuts or premium features. The reviewer notes that some advanced features require a paid subscription.

What platforms does FlyMSG AI Writer Autofill Chrome Extension run on?

FlyMSG runs only as a web browser extension, with no other platforms listed. Its grammar checker and AI rewriter work on every website, so it is available wherever emails, posts and comments are written in the browser.

What are the limits of FlyMSG AI Writer Autofill Chrome Extension?

The reviewer says FlyMSG may struggle with more complex writing such as detailed reports or legal documents. Language support stops at the included set of 80+ languages, and some advanced features sit behind a paid subscription. Toolio also marks it as not for recruiters without urgent message needs.

How does Toolio score FlyMSG AI Writer Autofill Chrome Extension?

Alex scored FlyMSG 4.8 out of 5 after real use, on 3 Oct 2026. The verdict credits it with helping professionals create consistent content faster, and Toolio lists it as best for professionals who save hours daily.

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