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⚠️ IMPORTANT: This plugin requires <a href="https://wordpress.org/plugins/polylang/" rel="ugc">Polylang</a> to be installed and active.
This is a third-party addon for Polylang – not affiliated with or endorsed by Polylang.
PolyTranslate AI is an independent addon that enhances your Polylang setup with automatic AI translation. While Polylang manages your multilingual structure, this addon handles the actual translation with just one click using premium AI services.
This is NOT a standalone translation plugin – it works exclusively with Polylang to add automatic translation capabilities.
<h4>🚀 How It Works</h4>
<ol>
<li>Polylang (required) – manages your languages and creates language versions</li>
<li>PolyTranslate AI (this addon) – automatically translates content between those languages</li>
<li>Result: Complete multilingual site with minimal effort!</li>
</ol>
This plugin uses your own API keys to connect with top translation engines such as OpenAI (ChatGPT), DeepL Pro, Google Translate, and OpenRouter. It makes it easy to translate your site’s content and metadata with a single click — directly within the WordPress admin.
<h3>Key Features</h3>
<ul>
<li>Posts & Pages Translation – Translate any content instantly</li>
<li>Custom Post Types Translation – Works with any custom post type</li>
<li>WooCommerce Products Translation – Product titles, descriptions, and short descriptions</li>
<li>WooCommerce Product Variations & Attributes Sync Product Variations & Attributes</li>
<li>Advanced Custom Fields (ACF) Support – All field types including repeaters</li>
<li>Meta Box Fields – Complete Meta Box plugin support</li>
<li>Any Custom Fields – Universal custom field translation</li>
<li>Categories & Tags – Translate taxonomies</li>
<li>Custom Taxonomies – Translate any registered custom taxonomy</li>
<li>Elementor Pages – Full page builder support</li>
<li>Bulk Translation – Translate hundreds of posts at once</li>
<li>Complete SEO Meta Translation – (Yoast, Rank Math, SEOPress, All in One SEO Pack)</li>
<li>Multiple AI Services – OpenAI, DeepL Pro, Google Translate, OpenRouter</li>
<li>Smart Language Detection – Automatically detects source language</li>
<li>Translate Link Targets – Automatically update post links to point to translated versions.</li>
</ul>
<h3>FREE vs Premium</h3>
The Free version includes:
✅ Posts & Pages Translation 
✅ Custom Post Types Translation 
✅ WooCommerce Products Translation 
✅ Unlimited Translations 
✅ Multiple AI Services 
✅ Language Auto-Detection 
✅ Translate Link Targets
The Premium version includes:
✨ Everything in Free, plus: 
✨ Categories, Tags & Custom Taxonomies Translation 
✨ Custom Fields Translation (ACF, Meta Box, etc.) 
✨ SEO Meta Translation 
✨ Bulk Translation 
✨ Elementor Pages Support
<a href="https://www.youtube.com/watch?v=9Hx3v5b_Tbc" rel="nofollow ugc">Translate ACF & Custom Meta Fields in WordPress</a>
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/9Hx3v5b_Tbc?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>
<h3>External Services</h3>
PolyTranslate AI connects to third-party translation APIs when you trigger translations. You control your data and costs by providing your own API keys:
<ol>
<li>
OpenAI (ChatGPT/GPT-4)
<ul>
<li>Purpose: Premium AI translations with context understanding</li>
<li>Data Sent: Content to translate, language codes, your API key</li>
<li>Privacy: Direct connection – we never see your content</li>
<li>Links: <a href="https://openai.com/policies/terms-of-use" rel="nofollow ugc">Terms</a> | <a href="https://openai.com/policies/privacy-policy" rel="nofollow ugc">Privacy</a></li>
</ul>
</li>
<li>
DeepL Pro
<ul>
<li>Purpose: Industry-leading neural machine translation</li>
<li>Data Sent: Text content, language pairs, your API key </li>
<li>Privacy: Secure API connection, no data retention</li>
<li>Links: <a href="https://www.deepl.com/pro-license/" rel="nofollow ugc">Terms</a> | <a href="https://www.deepl.com/privacy/" rel="nofollow ugc">Privacy</a></li>
</ul>
</li>
<li>
Google Translate API
<ul>
<li>Purpose: Fast, reliable translations via Google Cloud</li>
<li>Data Sent: Content, language codes, your API credentials</li>
<li>Privacy: Enterprise-grade security and privacy</li>
<li>Links: <a href="https://policies.google.com/terms" rel="nofollow ugc">Terms</a> | <a href="https://policies.google.com/privacy" rel="nofollow ugc">Privacy</a></li>
</ul>
</li>
<li>
OpenRouter.ai
<ul>
<li>Purpose: Access to multiple AI models through one API</li>
<li>Data Sent: Translation requests, language pairs, your API key</li>
<li>Privacy: No data storage, secure transmission</li>
<li>Links: <a href="https://openrouter.ai/terms" rel="nofollow ugc">Terms</a> | <a href="https://openrouter.ai/privacy" rel="nofollow ugc">Privacy</a></li>
</ul>
</li>
</ol>
Security Promise: Your API keys are encrypted and stored locally in your WordPress database. Plugin updates never transmit your keys or content to our servers.

PolyTranslate AI for Polylang

AI-powered automatic translation addon. One-click translate posts, pages & WooCommerce with AI. (REQUIRES POLYLANG)

Linguise

Linguise plugin offers a direct connection to our automatic, high-quality AI translation service, with possible access to translators for content revision. The automatic multilingual translation is free during the first month and up to 600 000 translated words (medium-sized website with at least 4 languages), with no language count or page view limitation. Increase your website traffic with instant multilingual translations in more than 85+ languages and get 40% more traffic from Google, Baidu, or Yandex search engines.
Linguise now offers advanced AI translation as an optional add-on package, powered by a dedicated and professionally trained translation model. This new AI translation solution delivers near-human quality, providing exceptional accuracy and natural-sounding results for your website’s multilingual content.
Important note: To avoid any confusion, Linguise is not a free-forever automatic translation plugin. High-quality, SEO optimized, and translation revision features come with a price that we are trying to maintain as affordable as possible. Check the <a href="https://www.linguise.com/yearly-prices" title="Linguise translation prices" rel="nofollow ugc">YEARLY PRICES here.</a> As mentioned, we offer a one-month free trial with 600k words included, and the translation involves an API key to start.
Multilingual translation plugin main features
<h3>High-quality automatic multilingual translation</h3>
<ul>
<li>Best-in-class cloud AI translation models</li>
<li>Optional Linguise AI perfect quality model</li>
<li>95% of a human translator’s quality</li>
<li>Automatic translation of all your WordPress websites</li>
<li>Full content, SEO-ranked translations including URLs</li>
<li>85+ languages available</li>
<li>Uses the latest and updated cloud AI translation models</li>
<li>Translate all your website content in 5 minutes</li>
<li>Make search queries in any language, including in WooCommerce content</li>
<li>Translate WordPress dynamic Ajax content</li>
<li>Translation models automatically updated (translation quality improvement)</li>
</ul>
<h3>Multilingual AI translation revisions</h3>
<ul>
<li>From the Linguise translation dashboard, edit AI translations and manage translators</li>
<li>Register translators by language and by website for translation revision</li>
<li>Front-end automatic translations edition by admins or translators</li>
<li>Multilingual global rules to replace any content all over the website</li>
<li>Multilingual global rules to exclude any content from translation all over the website</li>
<li>Exclude and replace content by language, URL, or CSS class</li>
<li>Multi-account management with user role access (translators by language, managers, admins)</li>
<li>Edit all meta information (SEO) from the frontend language editor</li>
</ul>
<h3>SEO-optimized automatic AI translations</h3>
<ul>
<li>URL and full-page content translation</li>
<li>Multilingual alternate URLs and default-x language tag</li>
<li>HTML tag generation</li>
<li>Canonical URL generation</li>
<li>XML sitemap automatic AI translations</li>
<li>Super-fast translated page display</li>
<li>No impact on original, non-translated page loading time</li>
<li>Increase SEO rank of WooCommerce, especially large Eshop</li>
<li>Google feed AI translation (Google Merchant)</li>
<li>Tested on the major “Search Console” tools: Google, Bing, Yandex, Baidu</li>
<li>Compatible with all SEO plugins, including Yoast, Rank Math, AIO SEO</li>
</ul>
<h3>WordPress integration and language switcher</h3>
<ul>
<li>Language switcher flags integration using the WordPress menu</li>
<li>Language switcher flags displayed as popup, side by side, dropdown, or in floating position</li>
<li>Language switcher flag integration using PHP snippet</li>
<li>Display translated languages in English, original language, or just the language’s first letters.</li>
<li>Super light multilingual plugin with less CSS and .svg flags</li>
<li>Automatically get Linguise language configuration with the API Key</li>
<li>Local cache option for AI translations and translated URLs</li>
<li>Automatic redirect based on browser language</li>
<li>WooCommerce email translation based on client language</li>
<li>Possibility to display language names in English or in the original language</li>
<li>Load several language switchers on the same page</li>
<li>Multiplatform: works on Apache, LiteSpeed, Nginx, and IIS servers</li>
<li>100% tested with Elementor Pro, DIVI, Avada and all main page builders</li>
<li>Option to translate dynamic AJAX content</li>
</ul>
<h3>Translation prices details</h3>
<ul>
<li>$165 per YEAR (or $15/month) for a translation volume of 200 000 words (400 translated pages of 500 words)</li>
<li>More than 10 times cheaper than a human translation</li>
<li>No multilingual content revision required, or at most only 10%</li>
<li>No language count limit</li>
<li>Unlimited human translations</li>
<li>Unlimited plan available for big websites</li>
<li>Pay as you go for Linguise AI translation (optional)</li>
</ul>
<iframe loading="lazy" title="How to translate your WordPress website automatically" width="750" height="422" src="https://www.youtube.com/embed/l6O4Dt5I5Cs?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
<h3>Linguise translation main links</h3>
Home Link: <a href="https://www.linguise.com" title="Linguise translation home" rel="nofollow ugc">https://www.linguise.com</a> 
WordPress page: <a href="https://www.linguise.com/integrations/wordpress-automatic-translation-plugin/" title="Linguise for WordPress" rel="nofollow ugc">https://www.linguise.com/integrations/wordpress-automatic-translation-plugin/</a> 
Register an account and get an API key: <a href="https://dashboard.linguise.com/account/register" title="Linguise translation registration" rel="nofollow ugc">https://dashboard.linguise.com/account/register</a> 
Yearly prices: <a href="https://www.linguise.com/yearly-prices" title="Linguise translation prices" rel="nofollow ugc">https://www.linguise.com/yearly-prices/</a> 
Translation quality demo: <a href="https://demo.linguise.com" title="WordPress automatic translation demo" rel="nofollow ugc">https://demo.linguise.com</a> 
Legal mentions: [https://www.linguise.com/legal-mentions/ “Legal mentions”)
Also available for any PHP CMS like Magento, Prestashop, Joomla, OpenCart… and cloud CMS like Shopify, Squarespace, Wix…
<h3>Support</h3>
<ul>
<li>We offer the full installation for free on your WordPress website here: https://www.linguise.com/request-linguise-install/</li>
<li>We do provide support for any type of usage, a direct message link is accessible in the Linguise dashboard: https://dashboard.linguise.com</li>
<li>We also do reply to any question on this forum and provide support with the limit of not having access to your website admin</li>
</ul>

Linguise – AI Automatic Multilingual Translation

Congrats to the team for producing a nice plugin. All the translations, i have seen so far conveys the meaning of original content in a correct manner. Much appreciated

Translation is very clear

It's just so easy to use that I have translated my website in no more than 10 minutes.
The free trial is more than welcome. I have been able to see new visitors coming through the multilingual part of the websites after some days and confirmed that this solution worked as expected.
The dashboard and live editor are also really neat.
Thanks for this great job guys.

It's amazing


Plugin works great. The service is fast and reliable, and although we had one small issue with it, it was quickly solved by the support. 


Very good plugin and platform

Linguise is a top-quality automatic AI translation with a front-end translation editor. 5' install, SEO-optimized translations, 85+ languages

PolyTranslate AI for Polylang vs Linguise – AI Automatic Multilingual Translation