The site is free to use, but there are limits to the number of searches you can conduct. See the information on the site for more details.
A series of corpora available to interrogate online.
Two of the corpora are also availble to interrogate offline: COCA and GloWbE
- News on the Web (NOW)
- Global Web-Based English (GloWbE)
- Wikipedia Corpus
- Hansard Corpus
- Corpus of Contemporary American English (COCA)
- Corpus of Historical American English (COHA)
- Corpus of US Supreme Court Opinions
- TIME Magazine Corpus
- Corpus of American Soap Operas
- British National Corpus (BYU-BNC)
- Strathy Corpus (Canada)
- CORE Corpus
- Corpus del Español
- Corpus do Português
- Google Books: American English N-gram
- Google Books: British English N-gram
- Google Books: Spanish N-gram
There are FAQs available on the site.