Freemius

Cary Molyneux

Spellmatic scans your entire WordPress site for spelling and grammar errors, then lets you fix them in one click — including content built with Elementor, Avada, Divi, WPBakery, and more.
Most grammar tools only check what you’re currently editing. Spellmatic scans every post, page, product, and comment on your site — even content stored inside page builder data structures.
<h4>Features</h4>
<ul>
<li>Full-site scan across all posts and pages — no error cap</li>
<li>Privacy-first local grammar engine powered by Harper WASM — no data ever leaves your server</li>
<li>All errors shown per scan with fix / dismiss actions</li>
<li>Error dashboard with error type badges and in-context display</li>
<li>Custom dictionary — add words to ignore globally</li>
<li>Scheduled email digests with scan summaries</li>
<li>BYOK AI integration with OpenAI — contextual AI proofreading using your own API key</li>
</ul>
<h4>Premium Features</h4>
Premium plans add powerful extras for professionals and agencies. Available at <a href="https://spellmatic.com" rel="nofollow ugc">spellmatic.com</a>.
<ul>
<li>Bulk auto-fix — fix all errors across your site in one click</li>
<li>Smart fix — AI-powered contextual corrections</li>
<li>Additional AI providers — Claude, Gemini, Grok, and OpenRouter</li>
<li>Priority support</li>
</ul>
Pro ($79/year) 
* All premium features 
* Dedicated account management
Agency ($149/year) 
* Everything in Pro 
* Up to 10 WordPress sites / multisite network support
<h4>Page Builder Compatibility</h4>
Spellmatic scans content inside: 
* Elementor — reads JSON widget data (<code>_elementor_data</code>) 
* Avada / Fusion Builder — parses Fusion shortcodes and page options 
* Divi Builder — strips and scans Divi shortcode content 
* WPBakery Page Builder — scans all WPBakery shortcode text 
* Beaver Builder — reads serialized layout data 
* Bricks Builder — parses JSON element data 
* Oxygen Builder — reads builder meta 
* Brizy — reads JSON layout data 
* Gutenberg / Block Editor — native support 
* Kadence Blocks — native block support
<h4>Privacy First</h4>
The free tier uses Harper WASM — a blazing-fast, privacy-respecting grammar engine that runs entirely in your browser (client-side WebAssembly). Zero external API calls. Zero data sent anywhere. Your content stays yours.
The optional BYOK AI layer uses your own API key. Your key is stored encrypted on your server and all API calls go directly from your server to your chosen AI provider — Spellmatic never sees your content or your key.
<h3>External Services</h3>
This plugin connects to the following third-party services. Full details are also available on the Open Source & Services page inside the plugin (Spellmatic → Open Source).
<h4>Grammar Engine — Harper (Bundled)</h4>
The Harper grammar engine (Apache 2.0 licensed) is bundled with the plugin and runs entirely in your browser. No external connections are made during scanning.
You may optionally update the grammar engine to get improved dictionaries and grammar rules. No external connections are made by the plugin for grammar engine updates — all updates are performed manually by the site administrator:
<ol>
<li>Download the latest <code>harper.js</code> from the Harper npm package at <a href="https://www.npmjs.com/package/harper.js" rel="nofollow ugc">https://www.npmjs.com/package/harper.js</a> — the file is located in the <code>dist/</code> folder of the package.</li>
<li>Upload the file to <code>wp-content/uploads/spellmatic/harper.js</code> on your server (create the <code>spellmatic</code> folder if it does not exist).</li>
<li>The plugin will automatically detect and use the uploaded file on the next page load.</li>
<li>To revert, simply delete the file from <code>wp-content/uploads/spellmatic/</code> — the plugin will fall back to the bundled version.</li>
</ol>
<ul>
<li>Harper project: <a href="https://github.com/Automattic/harper" rel="nofollow ugc">https://github.com/Automattic/harper</a></li>
<li>Harper license: <a href="https://github.com/Automattic/harper/blob/master/LICENSE" rel="nofollow ugc">Apache License 2.0</a></li>
<li>Harper website: <a href="https://writewithharper.com" rel="nofollow ugc">https://writewithharper.com</a></li>
</ul>
<h4>AI-Powered Grammar Analysis (Optional, BYOK)</h4>
When you enable the BYOK AI feature and initiate an AI scan, post and page text is sent to your chosen AI provider for contextual grammar analysis. This only occurs when you explicitly click “Scan” with AI enabled. API keys are encrypted with AES-256-CBC and stored on your server.
OpenAI 
* Service: <a href="https://openai.com" rel="nofollow ugc">https://openai.com</a> 
* Terms of Use: <a href="https://openai.com/policies/terms-of-use" rel="nofollow ugc">https://openai.com/policies/terms-of-use</a> 
* Privacy Policy: <a href="https://openai.com/policies/privacy-policy" rel="nofollow ugc">https://openai.com/policies/privacy-policy</a>
Anthropic (Claude) 
* Service: <a href="https://www.anthropic.com" rel="nofollow ugc">https://www.anthropic.com</a> 
* Terms of Use: <a href="https://www.anthropic.com/legal/consumer-terms" rel="nofollow ugc">https://www.anthropic.com/legal/consumer-terms</a> 
* Privacy Policy: <a href="https://www.anthropic.com/legal/privacy" rel="nofollow ugc">https://www.anthropic.com/legal/privacy</a>
Google (Gemini) 
* Service: <a href="https://ai.google.dev" rel="nofollow ugc">https://ai.google.dev</a> 
* Terms of Use: <a href="https://ai.google.dev/gemini-api/terms" rel="nofollow ugc">https://ai.google.dev/gemini-api/terms</a> 
* Privacy Policy: <a href="https://policies.google.com/privacy" rel="nofollow ugc">https://policies.google.com/privacy</a>
xAI (Grok) 
* Service: <a href="https://x.ai" rel="nofollow ugc">https://x.ai</a> 
* Terms of Use: <a href="https://x.ai/legal/terms-of-service" rel="nofollow ugc">https://x.ai/legal/terms-of-service</a> 
* Privacy Policy: <a href="https://x.ai/legal/privacy-policy" rel="nofollow ugc">https://x.ai/legal/privacy-policy</a>
OpenRouter 
* Service: <a href="https://openrouter.ai" rel="nofollow ugc">https://openrouter.ai</a> 
* Terms of Use: <a href="https://openrouter.ai/terms" rel="nofollow ugc">https://openrouter.ai/terms</a> 
* Privacy Policy: <a href="https://openrouter.ai/privacy" rel="nofollow ugc">https://openrouter.ai/privacy</a>
<h4>Licensing & Analytics — Freemius</h4>
Spellmatic uses the Freemius SDK for license validation, plan management, and optional opt-in usage analytics. You are asked for consent during plugin activation.
<ul>
<li>Service: <a href="https://freemius.com" rel="nofollow ugc">https://freemius.com</a></li>
<li>Terms of Use: <a href="https://freemius.com/terms/" rel="nofollow ugc">https://freemius.com/terms/</a></li>
<li>Privacy Policy: <a href="https://freemius.com/privacy/" rel="nofollow ugc">https://freemius.com/privacy/</a></li>
</ul>
<h4>Perfect For</h4>
<ul>
<li>Agencies managing multiple client WordPress sites</li>
<li>Bloggers with large back-catalogues who want to clean up old posts</li>
<li>WooCommerce stores where typos hurt credibility and conversions</li>
<li>Content publishers who need a quick pre-launch proofread</li>
</ul>

Spellmatic

Scan and fix spelling and grammar errors across your entire WordPress site in one click — including Elementor, Avada, Divi, and WPBakery content.

WP Spell Check

<h4>WordPress spell check plugin</h4>
Proofread & audit your WordPress website with One Click!
Find & fix Spelling errors, Punctuation errors, Grammar errors, SEO, Broken Shortcodes & HTML, and Create a professional image with <a href="https://www.wpspellcheck.com/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=upgrade_notice&utm_content=11.5" rel="nofollow ugc">WP Spell Check</a>
Did you know?
<ul>
<li>85% of website visitors can spot and are turned off by spelling mistakes. That’s why it’s crucial to nail your website’s spelling game! (1)</li>
<li>Spelling errors can slash online sales by up to 50%. In the competitive world of e-commerce, every detail matters. (2)</li>
</ul>
<h3>Why WP Spell Check?</h3>
By using WP Spell Check you will be able to:
<ul>
<li>
Proofread entire WordPress website with one click and find spelling mistakes and grammar errors
</li>
<li>
Quickly and easily create a professional image for your website visitors, an image your customers want to invest in
</li>
<li>
Pick up punctuation errors and typos you had missed on old pages & posts and help your team maintain a professional web presence
</li>
<li>
Check your writing and produce a comprehensive report on spelling, grammar, SEO Opportunities, Broken Shortcodes, and Broken HTML for your website
</li>
<li>
Get AI suggestions for SEO titles and descriptions and improve your SEO
</li>
</ul>
<h3>Who is this WordPress plugin for?</h3>
<ul>
<li>
Web developers, SEO agencies and marketing agencies with a large list of clients looking for ways to optimize their processes and save time
</li>
<li>
WordPress Blogs with a ton of content and no extra time
</li>
<li>
Small Businesses and website owners that want to proofread their site to improve their image online
</li>
<li>
You have many pages and posts that don’t have proper SEO titles and descriptions and you don’t have the time or the SEO knowledge to fix them
</li>
<li>
Marketing managers who are responsible for the company’s image but someone else creates content
</li>
<li>
If you have a disability such as dyslexia that makes reading hard for you
</li>
<li>
You run a WooCommerce store with 100s of products and not enough time to find spelling errors
</li>
</ul>
<blockquote>
WP Spell Check Pro 
 This is the lite version of WP Spell Check. Additional features are included in the Premium Version. <a href="https://www.wpspellcheck.com/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=upgrade_notice&utm_content=11.5" rel="nofollow ugc">Click here to get the fastest WordPress spell check plugin and unlock Premium Features</a>!
</blockquote>
WP Spell Check is for you if you want to…
<ul>
<li>
Spell check entire WordPress site for spelling errors and mistakes on your website
</li>
<li>
Help your team quickly Proofread and Audit their work and save time
</li>
<li>
Pick up errors and typos you’d missed on old posts/pages
</li>
<li>
Improve SEO with a few clicks on pages and posts and show up on Google (Pro version)
</li>
<li>
Find the errors with no hassle…with a click of a button
</li>
<li>
Find all the broken shortcodes, broken plugins and broken HTML on your websites
</li>
</ul>
Most people who use our plugin for the first time are most likely:
<ul>
<li>
SEO agencies and web agencies trying to improve clients’ websites and improve their own processes
</li>
<li>
Busy people who have errors they have missed and want to spell check whole website
</li>
<li>
Developers who do not write the content but are nonetheless responsible for proper spelling!
</li>
<li>
Have a disability that makes reading problematic
</li>
</ul>
That’s why WP Spell Check is the Fastest WordPress Proofreading Plugin to help you find and fix errors and maintain a professional image for your business.
Integrations
WP Spell Check integrates with the following plugins and themes:
<ul>
<li>WooCommerce</li>
<li>Yoast SEO</li>
<li>All in One SEO Pack</li>
<li>Rank Math SEO</li>
<li>Classic Editor</li>
<li>Elementor</li>
<li>Page Builder by SiteOrigin</li>
<li>Divi Theme</li>
<li>Contact Form 7</li>
</ul>
<h3>What our customers say about WP Spell Check…</h3>
This plugin is LIGHTS OUT!!!!!
This is one amazing product. I have a website that has over 8000 pages. 
You can imagine the load it would take to review each page. 
This plugin is LIGHTS OUT!!!!! 
Five stars, saved me a thousand hours. 
What is better than the plugin is the support. 
Every time I have an issue they were right there to help, and they worked feverishly to fix and restore. 
I have NEVER worked with a company that had back-end support. 
I can’t brag about them enough. 
Thank you so much guys, you rock and I would highly recommend you to everyone. 
You helped me more than you will know
By Michael Sullivan, USA
Finally a Spell Checker Plugin That Works
I have been looking for a plugin that could spellcheck an entire website for common misspellings and this plugin does just that. You can download the trial version to test it out on your site for page content and post titles. If you want more features, then you should buy the pro version.
By socreatives
Works Perfectly Amazing
It helped us to find a lot of hidden content on the site that was hurting us with SEO. A lot of lorem ipsum here and there and multi-language details we didn’t see. The template had many small things which we didn’t use and they are all discovered. I like this plugin a lot. Thank you 
Ali Tavanayan, Vancouver
Truly a great plugin
Truly a great plugin for the developer who does not write the content but is nevertheless responsible for proper spellings! Misspelled words create an image of poor design
Presentation is everything!
Other than broken links, misspelled words create an image of poor design. WP Spell Check helps our team maintain a professional web presence.
Adam Halpern, Houston, USA
Worked Great for me
I emailed the support team about 1 small bug I found, and they fixed it immediately, thanked me, and followed up. Couldn’t be happier. I didn’t realize how many spelling mistakes my site had till I ran these scans. Thanks!!
by electroset
You’ve helped take me to the next level
WP Spell Check picked up so many errors I’d missed on old posts. There’s nothing less professional than a website with spelling mistakes, so you’ve helped take me to the next level.
Nigel Coates, Gold Coast, Australia
<h3>Popular Video Guides</h3>
For more info on Proofreading and Auditing your WordPress blog, check out the following:
<ul>
<li><a href="https://www.wpspellcheck.com/plugin-support/an-overview-of-the-plugin/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=readmefile&utm_content=11.5" rel="nofollow ugc">An Overview of WP Spell Check</a></li>
<li><a href="https://www.wpspellcheck.com/plugin-support/how-to-fix-wordpress-spelling-errors/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=readmefile&utm_content=11.5" rel="nofollow ugc">How to Fix WordPress Spelling Errors</a></li>
<li><a href="https://www.wpspellcheck.com/plugin-support/how-to-improve-wordpress-seo/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=readmefile&utm_content=11.5" rel="nofollow ugc">How to Improve WordPress SEO</a></li>
<li><a href="https://www.wpspellcheck.com/plugin-support/grammar-check-video-guide/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=readmefile&utm_content=11.5" rel="nofollow ugc">How to Grammar Check on WordPress</a></li>
<li><a href="https://www.wpspellcheck.com/blog/?utm_source=baseplugin&utm_campaign=readmefile&utm_medium=readmefile&utm_content=11.5" rel="nofollow ugc">Official WP Spell Check Plugin Blog</a></li>
</ul>
Notes: 
1: Source: Stanford Persuasive Technology Lab’s Web Credibility Project 
2: Source: Econsultancy’s report on the Impact of Website Errors on E-commerce Sales

Proofread & Audit your WordPress website with One Click! Find & fix the errors and build a professional image for your business.

Spellmatic vs WP Spell Check