redpen

<p><a href="http://redpen.cc" rel="nofollow ugc">RedPen</a> is a proofreading tool to help writers or programmers who write technical documents or manuals that need to adhere to a writing standard. This plugin integrates text validation provided by <a href="http://redpen.cc/docs/latest/index.html#server" rel="nofollow ugc">RedPen Server</a> into the WordPress editor.</p>
<h3>Features</h3>
<ul>
<li>Validates text with RedPen as you type</li>
<li>Supports both Visual and Text WordPress editors</li>
<li>Validation errors are marked in Visual editor in-place</li>
<li>Validation error messages are also listed below and highlighted in the editor on click</li>
<li>Autodetection of supported languages and variants (currently, English or Japanese)</li>
<li>RedPen <a href="http://redpen.cc/docs/latest/index.html#validator" rel="nofollow ugc">validators</a> and <a href="http://redpen.cc/docs/latest/index.html#setting-symbols" rel="nofollow ugc">symbols</a><br />
can be configured directly in WordPress panel below the editor</li>
<li>Configuration is stored for next visit with the same browser</li>
</ul>


RedPen WordPress plugin

This plugin integrates RedPen text validation into the WordPress editor.

WebSpellChecker

<p>WProofreader plugin for WordPress scans and checks your website content for spelling,  grammar, punctuation and style issues. No banner ads on your website!</p>
<p>Compatible with the following WordPress versions:</p>
<ul>
<li>WordPress 4.x</li>
<li>WordPress 5.x</li>
<li>WordPress 6.x</li>
</ul>
<p><strong>Free WProofreader plugin</strong> supports only spell-check for 6 languages and comes with a usage limit of 10,000 words processed per day for a single website. Upon reaching the limit, the plugin stops working until the next day. Check more differences between WProofreader plugin free and pro versions below.</p>
<span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/mhrZN87jydA?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe></span>
<h3>WProofreader Free and Pro versions</h3>
<h4>Free version: ($0)</h4>
<ul>
<li><strong>Usage limit:</strong> Up to 10,000 words processed per day for a single website. Once the daily limit is reached, the plugin will stop working.</li>
<li><strong>Allowed number of websites:</strong> 1 website.</li>
<li><strong>Languages available for spell checking:</strong> (6 languages) American English, British English, French, German, Italian and Spanish.</li>
<li><strong>Languages available for grammar checking:</strong> Not available.</li>
<li><strong>User-level custom dictionary:</strong> No cloud backup. The dictionary is only available in one browser on a single device.</li>
<li><strong>Organization-level custom dictionary:</strong> Not available.</li>
</ul>
<h4>Pro version: ($49)</h4>
<ul>
<li><strong>Usage limit:</strong> Up to 100 million words processed per year. No daily limits applied.</li>
<li><strong>Allowed number of websites:</strong> unlimited</li>
<li><strong>Languages available for spell checking:</strong> 20+ popular languages.</li>
<li><strong>Languages available for grammar checking:</strong> Not all listed languages support grammar checks. <a href="https://webspellchecker.com/supported-languages/" rel="nofollow ugc">Here</a> is the updated list of supported languages and the ones marked for grammar check.</li>
<li><strong>User-level custom dictionary:</strong> Stored in the cloud, available from any browser or device. The user can freely access, review and modify the list of words in the dictionary.</li>
<li><strong>Organization-level custom dictionary:</strong> The subscription owner can create global dictionaries that will be available across all the connected websites.</li>
</ul>
<h3>User functionality</h3>
<p><strong>Proofreading modes</strong></p>
<ul>
<li>The check-as-you-type mode instantaneously detects writing mistakes and provides suggestions on-hover.</li>
<li>The proofread-in-dialog mode aggregates all the issues detected and suggestions provided.</li>
</ul>
<p><strong>Customizable dictionaries</strong></p>
<ul>
<li><strong>User-level custom dictionary</strong> allows end users to create personal dictionaries with specific words and terms (complex words, acronyms, proper names, etc.) and use them while working with WordPress. Once a word is added to a personal dictionary, it will not be considered as a misspelling, and will appear in the suggestions list. All customly added words are stored either in the browser local storage or on our cloud and are accessible from the browser</li>
<li><strong>Organization-level custom dictionary</strong> allows creating company-wide dictionaries that extend the vocabulary of the standard dictionary with custom words specific to your company culture, industry, domain, etc. All the words added to an organization-level custom dictionary by the admin will be available to all users within your company. This type of dictionary is available only under the Pro version</li>
<li><strong>Specialized medical spelling dictionaries</strong> for English, German, French and Spanish  and legal dictionaries for English. Available for both — free and Pro versions of the plugin</li>
</ul>
<p><strong>Feature-rich</strong></p>
<ul>
<li>Multi-language support</li>
<li>Spelling autocorrect functionality for instant correction of common typos</li>
<li>Autocomplete suggestions functionality for faster writing</li>
<li>Style guide functionality with pre-defined non-inclusive and profanity language check for professional writing</li>
<li>User-level and organization-level dictionaries</li>
</ul>
<p><strong>User-friendly and up-to-date</strong></p>
<ul>
<li>Straightforward plugin configuration (check the video tutorial)</li>
<li>Visible and intuitive text check with different colors used for  spelling, grammar, and style guide issues</li>
<li>Easily toggle on/off the plugin button</li>
<li>Support the latest version of WordPress</li>
<li>Seamlessly integrates with the WordPress latest editor — Gutenberg and compatible with the classic editor of WordPress 4.x.</li>
<li>Support of the browsers: <em>Chrome, Firefox, Safari, Microsoft Edge, Internet Explorer 11</em></li>
<li>Content elements supported: <em>pages, posts, tag descriptions, category descriptions, WooCommerce, WP eCommerce product descriptions, any custom post types, meta description fields of Yoast SEO plugin.</em></li>
</ul>
<h3>Benefits of  WProofreader plugin for WordPress</h3>
<ul>
<li>It saves time proofreading in any of the two modes – check-as-you type and proofread-in-dialog.</li>
<li>You can create and maintain quality posts in different languages without worries about possible mistakes.</li>
<li>Advanced functionality for spelling autocorrect, autocomplete suggestions and style guide for faster and more productive writing.</li>
</ul>


WProofreader spell & grammar check plugin for WordPress

WProofreader checks spelling, grammar, and style in real-time while editing in WordPress.

RedPen WordPress plugin vs WProofreader spell & grammar check plugin for WordPress