Check Your Grammar and Spelling for Free

Try WhiteSmoke's free online grammar checker!

With WhiteSmoke's online grammar checker, you can use WhiteSmoke's advanced technologies to check your grammar and spelling online. To unlock the full power of WhiteSmoke and use it everywhere you write, get the desktop application today .

How Does it Work?

WhiteSmoke uses Natural Language Processing (NLP) to take your writing to a professional level. At the core of WhiteSmoke are the highly advanced grammar and text enrichment engines. WhiteSmoke technology detects and corrects even the most troublesome grammar errors – ones which go undetected by other leading programs – and suggests relevant synonyms, adverbs and adjectives that can enhance your writing.

Simply enter your text, and you are on your way to better writing.

How are WhiteSmoke's grammar capabilities compare to those of MS Word?
Click here to Find Out.

Upgrade to the Full Desktop Application for More

With the full WhiteSmoke desktop application, you get the most complete suite of writing tools available. Period. Power your writing with these features:

Advanced Grammar Checking

Our research shows that over 85% of documents have errors, the most common being:

missing words
incorrect punctuation
subject–verb agreement

Grammar Error Explanation

Learn from your mistakes and improve your writing over time:

Easy–to understand explanations
The rule behind the error
Examples to demonstrate the rule

Patented Text Enrichment

WhiteSmoke not only checks for errors, it offers suggestions to improve writing style:

Get synonyms for any word
Consider additional adverbs and adjectives
Extend your vocabulary

Powerful Spell Checking

Never have embarrassing spelling errors:

Precise corrections, every time
Picks up correctly spelled words used in the wrong context
Dynamically updates with new English language trends

One–Click Dictionary and Thesaurus

An easy–to–use dictionary that is there when you need it most:

Precise and detailed definitions
Intelligent synonyms
Related idioms and idiomatic phrases

Ease of Use

WhiteSmoke works everywhere you write
AutoCorrect lets WhiteSmoke take care of the hard work, automagically!
The Notifier alerts you to errors that occur, as soon as you make them

	Serving customers in United States
	since 2002

Testimonials

"I love this program. You guys have come up with a great product that really helps me write better. Keep up the good work!"

– Louise Symons, USA

"I have a blog in English, and WhiteSmoke catches all my grammar and spelling errors before I publish. My writing is more confident, and my readers love the content."

– Hans Spielberg, Germany

"English is not my first language, so I use WhiteSmoke to fix my grammar mistakes at work. It is a real help. Thanks."

– Veronica Sanchez, Australia

"My English is quite good, but I still manage to catch a lot of errors with WhiteSmoke, so it is a big help."

– Bjorn Nillson, Sweden