Grammarly, nounplus.com, grammarcheck.me and grammarcheckforsentence.com are some of the grammar correctors available online. Grammarly is a for-profit site that requires users to subscribe in order to access all of its features.
Online grammar correctors are programs that are accessible via the Internet to check grammar, spelling and punctuation of texts. The limitations of these programs are based on how the programs are written. They are not guaranteed to find all errors and do not always pick up contextual or dialect errors.
Grammar correctors that are free typically have fewer features than paid subscription correctors. Fee-based correctors such as Grammarly have options like choosing a country or limiting what is checked. Fee-based correctors also typically offer more solutions than free programs.
The amount of text an online grammar corrector can analyze also varies from one site to another. Fee-based correctors typically have larger file size capabilities than free correctors. However, for occasional use, the user can simply analyze text one paragraph at a time. On the other hand, heavy users that want to analyze large documents should opt for a paid subscription. In addition to analyzing large files, these sites typically offer other useful options such as file saving and retrieval.