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Free Grammar Checker for Any Language (Auto-Detects as You Write)

If you write in more than one language, you know the routine: switch the spell checker's language, forget to switch it back, and watch every word turn red. A multilingual grammar checker should simply follow you from one language to the next.

Rewordly does this automatically. It detects the language of each sentence as you write and checks it with the right rules, with no settings to change.

Who this is for

  • Non-native English speakers who write emails, posts and comments in English every day and want a safety net.
  • People who switch languages constantly, for example English at work and Turkish or German with friends and family.
  • Teams and freelancers who reply to customers in several languages.
  • Students and language learners who want to see what's wrong, not just get a corrected copy.

How automatic language detection works

When you finish a sentence, Rewordly looks at that sentence on its own, works out which language it's in, and checks it for clear spelling, grammar and punctuation mistakes. That means:

  • One email can mix languages, and each sentence is still checked correctly.
  • Explanations appear in the language you wrote in.
  • There's no dictionary or language list to manage.

A few real examples:

You wroteRewordly suggests
She dont like apples.doesn't
Bugün hava çok guzel.güzel
Toplantı yarın yapılıcak.yapılacak
Das Auto ist sehr schnel.schnell

What it checks, and what it doesn't

Rewordly focuses on mistakes you'd want to fix before sending:

  • Spelling: typos and misspelled words, including missing accents and special characters (ü, ş, ğ, ß, é and so on).
  • Grammar: wrong verb forms, agreement, missing or duplicated words, wrong articles and prepositions.
  • Punctuation: clearly wrong or missing punctuation, like a missing apostrophe in "dont".

It intentionally leaves your style alone. Names, brands, @mentions, hashtags, links, numbers and casual chat language aren't flagged. When it isn't sure, it stays quiet.

Where you can use it

Rewordly works in the text boxes and editors of most websites in Chrome, including Reddit, X (Twitter), Medium and LinkedIn, as well as forms, support tools and web apps. Underlines appear right where you type. Hover one to see the fix and apply it with a click; formatting and undo keep working.

When a sentence is correct but still not right

Grammar is only part of good writing. Select any text and click Rewrite to make it clearer, shorter or longer, or to change its tone. This is especially handy when you're writing in your second language and want a sentence to sound more natural. See how to change the tone of text.

Is it free?

Yes. Install Rewordly and start writing; live checking works without an account. Sign in for free to keep going with a daily allowance, or upgrade to Rewordly Pro ($4.99/month or $49/year) for unlimited checks and rewrites.

For more on how live checking works, read grammar checker that works as you type.


Try Rewordly

Write in your languages, and let Rewordly catch the mistakes. Free to start, no sign-up required.

👉 Install Rewordly – Free Chrome Extension