How to Use Grammarly in Chrome: Setup, Features, and Real-World Workflows

How to install Grammarly for Chrome and set it up

Grammarly runs as a browser extension that checks your writing wherever you type on the web — installing it takes about a minute, and the setup after that is just signing in and picking what it should check.

1. Open the Chrome Web Store and install Grammarly: AI Writing Assistant.
2. Click the extension icon and sign in, or create a free account if you don't have one.
3. Grammarly will ask for permission to read and change data on the sites you visit — accept it, since this is how it sees your text to check it.
4. Pick your goals when prompted (tone, formality, audience) — these adjust what kind of suggestions you see, and you can change them later.
5. Open Gmail, a Google Doc, or any text field to confirm the green Grammarly icon shows up while you type.

That broad site permission is the trade-off for it working everywhere instead of only inside one app — if that's more access than you want it to have everywhere, the site controls further down let you scale it back. Grammarly also has a desktop app and a standalone web editor for documents that don't run inside a browser text field at all, but this guide covers the Chrome extension specifically.

If you're setting this up on a Chromebook, see using Grammarly on a Chromebook for device-specific notes; otherwise the grammar checker hub covers how Grammarly compares to other options.

Where Grammarly's suggestions actually show up as you type

Grammarly adds a small floating icon inside text boxes on most sites, and underlines issues directly in your text — you don't need to open a separate window to use it.

Click the floating icon to open a suggestions panel without leaving the page; click directly on an underlined word or phrase for a quick fix in place. The icon's color and a small counter give you a rough sense of how many issues it's flagging before you even open the panel.

Not every text field gets this treatment: some sites load their editor in a way Grammarly can't reach, certain rich-text or canvas-based editors in particular, and Grammarly's own desktop or web apps exist partly to cover those gaps.

Five practical ways to use Grammarly in Chrome

Grammarly's suggestions apply the same way everywhere it runs, but here's where it earns its place day to day.

• Gmail — catches typos and tone issues before you hit send, right inside the compose window.
• Google Docs — checks longer documents as you write, without needing to copy text elsewhere to run it through a separate checker.
• Social posts (LinkedIn, X) — flags tone before a post goes out publicly, where a typo or an accidentally sharp phrase is harder to walk back.
• Chat and support tools (Slack, help-desk widgets) — quick tone and clarity checks for messages you're sending fast, where a sharper edit takes two seconds.
• Any web form — comment boxes, job applications, and contact forms all get the same underline-and-suggest treatment, since Grammarly works on standard text fields generally, not just a specific approved list of apps.

The common thread: Grammarly is checking whatever's already in the box, not writing it for you — it's an edit pass, not a first draft.

How to control which sites Grammarly runs on

Grammarly doesn't need to run everywhere, and turning it off on specific sites is a quick settings change, not an uninstall.

Turn it off on one site

Click the Grammarly icon in Chrome's toolbar, not the in-page floating icon, and use the toggle to disable it for the current site.

Password fields

Grammarly disables itself automatically inside password fields, since a field marked as a password input isn't readable text to check.

Sensitive sites (banking, some enterprise tools)

Some sites block content scripts like Grammarly's from running at all as part of their own security setup — if Grammarly's icon never appears there, that's usually the site, not a bug.

Managing broader access

Go to chrome://extensions, find Grammarly, click Details, and adjust Site access if you want to restrict it to specific sites rather than all of them.

On a managed work or school Chromebook, an admin policy can also block Grammarly, or any extension, from being installed at all — if it's missing from the Web Store entirely, that's the setting to check first. For more on what extension permissions actually mean before you grant them, see our permissions guide.

What's free in Grammarly for Chrome, and what needs a paid plan

Grammarly is freemium: basic spelling, grammar, and punctuation correction is free, while more advanced tone, clarity, and style rewrites sit behind Grammarly's paid tiers — check Grammarly's own pricing page for current details, since plans and features change.

If you only need Grammarly to catch typos and grammar slips, the free tier covers most day-to-day writing; the paid tiers matter more if you're regularly writing for an external audience where tone control is worth paying for. If tone-detection features are the main thing you'd be paying for, it's worth comparing Grammarly alternatives before upgrading.

Is ChatGPT or Grammarly better for improving your writing?

They do different jobs: Grammarly edits text you've already written, while ChatGPT can draft, rewrite, or restructure something from scratch — using one doesn't really replace the other.

A practical split: draft or brainstorm with an AI assistant if you're stuck on structure or ideas, then run the result through Grammarly as a final pass for grammar, tone, and clarity before you send or publish it. If you use ChatGPT often, an extension like AIPRM organizes reusable prompt templates so your drafting step is faster, but it doesn't do what Grammarly does, checking and polishing existing text, and vice versa.

Neither tool is a substitute for reading your own writing back before you send it; both are faster with a second pass from you, not instead of one. If cost is the deciding factor between the two, our Grammarly vs LanguageTool comparison covers a cheaper grammar-only alternative.

What are the disadvantages of using Grammarly in Chrome?

The main trade-offs are broad permissions, occasional false positives, and sites where it simply can't run.

Grammarly needs to read text on pages to check it, which means granting it access to see, and for corrections, change, what you type across most sites you visit — more access than a single-purpose extension typically asks for. It can also misjudge context: code snippets, quoted text, or intentionally informal writing sometimes get flagged as if they were mistakes, which means blindly accepting every suggestion isn't a great habit.

It also won't catch everything: factual errors, broken logic, or a wrong name aren't grammar problems, so a clean Grammarly pass doesn't mean the writing itself is accurate or complete.

Will using Grammarly get your writing flagged as AI-generated?

Using Grammarly to fix grammar and tone is different from having an AI write your content, and Grammarly doesn't publish AI-detection scores for what it corrects, but AI-detection tools in general are known to be unreliable, sometimes flagging heavily-edited human writing as machine-generated.

If you're worried specifically about an academic or workplace AI-detection check, the safer approach is treating Grammarly as an edit pass on text you wrote yourself, rather than accepting large full-sentence rewrites wholesale — the more of a suggestion you accept verbatim without adjusting it in your own words, the closer the result gets to reading like generated text, detector concerns aside.

There's no verified answer for how any specific detector treats Grammarly-corrected text, so if this matters for your situation, check your institution's or employer's specific policy rather than assuming either way.

Extensions worth pairing with Grammarly

A few tools complement Grammarly's grammar-and-tone focus without overlapping it.

None of these need to run at the same time competing for the same text field — Grammarly handles the writing itself, and the others solve a different part of the workflow around it. These picks follow Find Extensions' review methodology.