Buyer's guide
Spell Check in Chrome: Built-in Checker vs Extensions
Buyer's guide
Spell Check in Chrome: Built-in Checker vs Extensions
On this page
- The short answer
- Do you need a Chrome extension for spell check?
- How do you enable spell checking in Chrome?
- What is the difference between Basic and Enhanced spell check?
- Which spell checker does Chrome use on Windows, Mac and Android?
- What is the best spell checker extension for Chrome?
- What is the best Chrome extension for autocorrect?
- What happened to spell check in Chrome, and why is it not working?
- Is it safe to use a spell checker extension in Chrome?
- Frequently asked
The short answer
You may not need a Chrome extension for spell check: Chrome already underlines typos in web text fields once you turn it on in Settings > Languages > Spell check. Add an extension such as LanguageTool or Grammarly when you want grammar, style or autocorrect-style suggestions, and remember those tools, like Enhanced mode, send your text to a server.
Do you need a Chrome extension for spell check?
Not for basic typos. Chrome's built-in checker flags misspelled words as you type into input fields on the web, and it works in email, forms, comment boxes and most web editors.
An extension earns its place when you need more than spelling: grammar, punctuation, word choice, tone, or rewrites. It also helps if you write in several languages in one text box, or want suggestions in places where the built-in checker is switched off by the site.
| Option | Catches | Where your text goes | Cost |
|---|---|---|---|
| Chrome Basic spell check | Spelling only | Stays on your device, per Google | Free |
| Chrome Enhanced spell check | Spelling, with better context suggestions | Sent to Google (same checker as Google Search) | Free |
| LanguageTool | Spelling, grammar, style, many languages | Sent to LanguageTool's servers | Freemium |
| Grammarly | Spelling, grammar, clarity, tone | Sent to Grammarly's servers | Freemium |
| QuillBot | Grammar plus paraphrasing | Sent to QuillBot's servers | Freemium |
If spelling is all you care about, start with the built-in option and only install something when it clearly misses what you need. Fewer extensions means fewer tools that can read what you type.
How do you enable spell checking in Chrome?
Turn it on from Chrome's language settings; it takes about ten seconds on a computer. Google documents the same steps on its Chrome spell check help page.
- Open Chrome on your computer.
- Click the three-dot More menu at the top right, then Settings. You can also paste
chrome://settings/languagesinto the address bar. - Click Languages in the left sidebar.
- Under Spell check, switch on Check for spelling errors when you type text on web pages.
- Choose Basic spell check or Enhanced spell check.
- Under the language list, make sure spell check is turned on for every language you write in.
Now type a misspelled word in any web text box. A red underline appears; right-click it to see suggestions, pick Add to dictionary for names and jargon, or open the Spell check submenu to change languages without visiting Settings.
Teach it your vocabulary
Product names, surnames and technical terms trigger false alarms. Right-click and choose Add to dictionary, or add them in bulk under Customize spell check in the same Languages settings.
What is the difference between Basic and Enhanced spell check?
Basic keeps your typing on your device; Enhanced sends the text you enter to Google to get smarter suggestions. That is the whole trade-off: privacy versus accuracy.
- Basic spell check
- According to Google, it does not send the text you enter in your browser to Google. Suggestions come from a local dictionary, so unusual words and context-dependent mistakes get missed more often.
- Enhanced spell check
- Uses the same spell checker as Google Search and sends what you type to Google. It is better at names, newer words and mistakes that are real words used in the wrong place.
Enhanced mode applies to text you type into web pages, which can include private messages, support tickets and medical or financial forms. If you handle client or patient data, Basic is the safer default, and your employer may already force it through policy.
Extensions send text too
Switching to Basic for privacy and then installing a cloud grammar extension undoes the point. Cloud checkers process what you type on their servers, so read each vendor's privacy policy before using one on confidential work.
Which spell checker does Chrome use on Windows, Mac and Android?
Chrome leans on the operating system for Basic checking on several platforms, which is why suggestions look different from one device to the next. Google's help page states which checker applies where.
- Windows 8 and newer: Basic spell check uses the Windows spell checker, so words you add in Windows may carry over.
- Windows 7 and older: Chrome uses its own spell checker.
- Mac: Chrome generally follows macOS's system spelling, and the Edit > Spelling and Grammar menu is available in Chrome's menu bar.
- Android: spelling suggestions come from your keyboard app (for example Gboard), not from Chrome settings.
- iPhone and iPad: correction is handled by the iOS keyboard; change it under Settings > General > Keyboard on the device.
On phones, desktop extensions do not run in Chrome at all, so the keyboard is your spell checker. Some grammar vendors offer their own mobile keyboards if you want the same suggestions on the go.
What is the best spell checker extension for Chrome?
LanguageTool is the best all-round pick if you write in more than one language; Grammarly is the strongest choice for English clarity and tone. For a broader shortlist, see our grammar checker extensions page.
Spell and grammar checker extensions for Chrome
-
LanguageToolFreemium
Writing
Multilingual spelling, grammar and style checks in most text fields. Catch: the deepest style checks are on the paid plan.
-
GrammarlyFreemium
Writing
Grammar, clarity and tone suggestions as you type, with strong English coverage. Catch: sends your text to its servers and nudges you toward Premium.
-
QuillBotFreemium
Writing
Grammar checking plus a paraphraser for rewording clumsy sentences. Catch: rewriting tools can change meaning, so re-read the result.
-
Writing
Fixes grammar, rewrites and translates selected text on any site using an AI model. Catch: works on demand, not as a live underline checker.
-
Mouse DictionaryFree
Education
Pop-up dictionary for checking a word's spelling and meaning while reading. Catch: a lookup tool; it does not correct what you type.
There is also a small, spelling-only listing called Spell Checker for Chrome on the Web Store, which says it supports 25 languages. Since Chrome already checks spelling for free, it mainly suits people who want a separate panel to paste and check text.
Read full verdicts in our LanguageTool review and Grammarly review, and our Grammarly alternatives roundup if its price or data handling puts you off.
What is the best Chrome extension for autocorrect?
Desktop Chrome underlines mistakes but does not silently fix them as you type, so autocorrect in practice means one-click fixes from a grammar extension. LanguageTool and Grammarly both let you accept a suggestion with a single click on the underline.
True silent autocorrect on desktop is rare, and that is probably a good thing: automatic replacements in URLs, code, names and passwords cause more trouble than they fix. If you want phone-style behaviour, a text-expander extension can replace your own common typos (like teh to the) with rules you define, which is more predictable than guessing.
Where autocorrect-style tools misbehave
- Code editors and terminals in the browser: turn the extension off for those sites from its toolbar menu.
- Google Docs: Docs has its own checker under Tools > Spelling and grammar, and third-party support inside Docs varies by extension.
- Rich editors like Notion or WordPress: underlines can overlap the editor's own UI; if typing lags, disable the extension on that site.
What happened to spell check in Chrome, and why is it not working?
Usually nothing changed in Chrome itself; the setting was switched off, the language is missing, or the site disables checking. Work through the list below in order.
- Open
chrome://settings/languagesand confirm Check for spelling errors when you type text on web pages is on. - Check that the language you are typing in is listed and has spell check enabled; add it with Add languages if not.
- Right-click inside the text box and confirm the Spell check submenu shows a tick next to your language.
- Test on a simple page, such as a search box. If it works there, the original site has turned spell checking off for that field, which web developers can do.
- Disable grammar extensions one at a time from
chrome://extensions; some hide Chrome's underlines while showing their own. - On a work device, open
chrome://policyand look for a spell-check policy set by your administrator. - On Windows 8 and newer, check the Windows spelling settings, since Basic mode relies on them.
Google Docs is a special case
Docs draws its own text surface, so Chrome's underlines do not apply there. Use Tools > Spelling and grammar inside Docs instead.
Is it safe to use a spell checker extension in Chrome?
It is reasonably safe with a well-known vendor, but understand the access you are granting. A checker must read everything you type on every site to work, including webmail and internal tools.
That is why these extensions ask to "read and change all your data on all websites". Our permissions guide explains what that allows, and our methodology covers how we weigh vendor trust. To limit exposure, open chrome://extensions, click Details on the checker, and set Site access to On specific sites so it only runs where you write drafts.
Stick to extensions from established vendors, avoid anonymous clones with similar names, and remove checkers you no longer use. LanguageTool's core engine is open source and can be self-hosted, an option some privacy-minded teams use; see LanguageTool's site for current setup details.
Want to see exactly what a checker changed in a long draft? Paste the before and after into our text diff checker to review every edit.
Extensions mentioned in this guide
- LanguageToolMultilingual grammar and style checker.
- GrammarlyGrammar and tone suggestions as you type.
- QuillBotAI paraphraser, grammar checker, and humanizer for better writing
- AI Writing AssistantFixes grammar, rewrites, and translates text on any site using Claude or GPT.
- Mouse DictionaryA fast, customizable pop-up dictionary built for language learners
Frequently asked
How do I enable spell checking in Chrome?
Go to More > Settings > Languages and turn on Check for spelling errors when you type text on web pages. Then choose Basic or Enhanced spell check.
Does Chrome have a built-in spell checker?
Yes. Chrome checks spelling in web text fields for free, with Basic and Enhanced modes in Settings > Languages.
Does Chrome Enhanced spell check send my text to Google?
Yes. Enhanced spell check sends the text you type to Google for better suggestions, using the same checker as Google Search. Basic mode does not.
What is the best Chrome extension for autocorrect?
LanguageTool and Grammarly are the most practical options, offering one-click fixes on underlined mistakes. Desktop Chrome itself does not silently autocorrect as you type.
Is there a Grammarly extension for Chrome?
Yes. Grammarly has a free Chrome extension with a paid Premium tier that adds deeper clarity and tone suggestions.
Why did spell check stop working in Chrome?
Usually the setting was turned off, your language lacks spell check, or the site disables it for that field. Extensions and admin policies can also suppress Chrome's underlines.
Is LanguageTool better than Grammarly for spell check?
LanguageTool is stronger across multiple languages, while Grammarly focuses on English clarity and tone. For spelling alone, both are more than enough.
How do I add a word to Chrome's dictionary?
Right-click the underlined word and choose Add to dictionary. To manage the list, open Settings > Languages > Customize spell check.
Why doesn't Chrome spell check work in Google Docs?
Google Docs renders text its own way, so it uses its own checker. Open Tools > Spelling and grammar in Docs.
How do I change the spell check language in Chrome?
Right-click inside a text box, open the Spell check submenu and tick the language. Add new languages in Settings > Languages first.
Do Chrome spell checker extensions work on Android?
No. Chrome on Android does not run extensions; spelling comes from your keyboard app, such as Gboard.
Is a free spell checker extension safe to install?
It can be if the publisher is established, but any checker reads what you type everywhere. Limit its site access and avoid look-alike listings from unknown developers.