Quite Nice Stuff

Iris Translate provides flexible website translation with two distinct methods to suit your needs:
Automatic Mode (Free) – Uses Google Translate’s client-side widget for instant translation with no setup required.
Google Cloud API Mode – Server-side translation with SEO-friendly translated URLs, hreflang tags, and full search engine indexability. Free for most websites (see below).
<h4>Key Features</h4>
Translation Methods
<ul>
<li>Automatic Translation – Free client-side translation using Google Translate widget, no API key needed</li>
<li>Google Cloud API Translation – Server-side translation for SEO-friendly, indexable translated content</li>
<li>Configurable fade-in delay to hide flash of untranslated content (Automatic mode)</li>
</ul>
SEO & URL Translation
<ul>
<li>SEO-friendly translated URLs (e.g., <code>/fr/a-propos/</code> instead of <code>/about/</code>)</li>
<li>Automatic hreflang tag generation for proper search engine indexing</li>
<li>Translated URL management interface with bulk translation tools</li>
<li>Individual URL path customization per language</li>
</ul>
Custom Translation Overrides
<ul>
<li>Override any automatic translation with your own custom text</li>
<li>Frontend translation editor for logged-in administrators</li>
<li>Edit translations directly on the page while browsing your translated site</li>
<li>Manage all custom translations from the admin dashboard</li>
</ul>
Language Selector Widgets
<ul>
<li>Multiple widget styles: Dropdown, Dropdown with flags, List, List with flags</li>
<li>Floating language selector with configurable position (corners of the screen)</li>
<li>Widget support for sidebars</li>
<li>Shortcode support: <code>[iris_translate]</code></li>
<li>PHP function support for theme integration</li>
<li>Display language names in their native script (e.g., “日本語” instead of “Japanese”)</li>
</ul>
Supported Languages
Over 25 languages supported including: English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Japanese, Korean, Chinese (Simplified & Traditional), Arabic, Hindi, Turkish, Polish, Swedish, Norwegian, Danish, Finnish, Greek, Czech, Romanian, Hungarian, Thai, Vietnamese, and Indonesian.
<h3>External Services</h3>
This plugin connects to Google services to provide translation functionality. By using this plugin, you agree to Google’s terms of service.
<h4>Automatic Translation Mode</h4>
When using Automatic Translation mode, this plugin loads the Google Translate Widget from Google’s servers.
What this service does: Provides client-side (in-browser) translation of your website content.
When data is sent: When a visitor selects a language to translate to, their browser communicates directly with Google Translate servers to fetch translations.
What data is sent: 
* The text content of the webpage being translated 
* The visitor’s IP address (sent by their browser to Google) 
* Browser cookies set by Google (including the <code>googtrans</code> cookie to remember language preference)
Service provider: Google LLC
Links: 
* <a href="https://translate.google.com/" rel="nofollow ugc">Google Translate</a> 
* <a href="https://policies.google.com/privacy" rel="nofollow ugc">Google Privacy Policy</a> 
* <a href="https://policies.google.com/terms" rel="nofollow ugc">Google Terms of Service</a>
<h4>Google Cloud API Translation Mode</h4>
When using Google Cloud API mode, this plugin sends content to the Google Cloud Translation API for server-side translation.
What this service does: Provides server-side translation of your website content, enabling SEO-friendly translated URLs.
When data is sent: 
* When a visitor accesses a translated URL (e.g., <code>/fr/your-page/</code>), the page content is sent to Google for translation 
* When an administrator uses the “Translate All URLs” feature to bulk-translate URL slugs 
* Translations are cached locally to minimize API calls
What data is sent: 
* The text content of pages and posts being translated 
* URL slugs when using the URL translation feature 
* Your Google Cloud API key (for authentication)
What data is NOT sent: 
* Visitor IP addresses (translation happens on your server, not in the visitor’s browser) 
* Personal visitor information 
* User account data
Service provider: Google Cloud (Google LLC)
Links: 
* <a href="https://cloud.google.com/translate" rel="nofollow ugc">Google Cloud Translation API</a> 
* <a href="https://cloud.google.com/terms/cloud-privacy-notice" rel="nofollow ugc">Google Cloud Privacy Policy</a> 
* <a href="https://cloud.google.com/terms" rel="nofollow ugc">Google Cloud Terms of Service</a> 
* <a href="https://cloud.google.com/translate/pricing" rel="nofollow ugc">Google Cloud Translation API Pricing</a> (includes free tier)
<h4>Cookies</h4>
This plugin sets the following cookie:
<ul>
<li>googtrans – Stores the visitor’s selected language preference. This is a session cookie used by Google Translate to remember which language the visitor chose. No personal data is stored in this cookie.</li>
</ul>
<h4>Data Privacy</h4>
<ul>
<li>In Automatic mode, translation processing occurs on Google’s servers via the visitor’s browser</li>
<li>In Google Cloud API mode, translation processing occurs on Google’s servers but is initiated by your WordPress server, not the visitor’s browser</li>
<li>Translated content is cached in your WordPress database to improve performance and reduce external API calls</li>
<li>No visitor personal data is collected or stored by this plugin</li>
<li>No visitor tracking is performed by this plugin beyond the language preference cookie</li>
</ul>

Iris Translate

Translate your WordPress site with free automatic translation or SEO-friendly Google Cloud API translation.

Prisna

This plugin brings the power of Google’s automatic translation service to translate your website into 100+ languages. A simple and complete multilingual solution for WordPress.
<h4>Features:</h4>
<ul>
<li>Easy set up, including simple settings with inline help that everybody can understand.</li>
<li>Include all the <a href="http://www.prisna.net/images/google-website-translator/inline-mode.png" rel="nofollow ugc">3 inline</a> and all the <a href="http://www.prisna.net/images/google-website-translator/tabbed-mode.png" rel="nofollow ugc">4 tabbed</a> styles.</li>
<li>Select the available languages.</li>
<li>Use it as a widget and as a shortcode.</li>
<li>Practically null impact on page loads.</li>
<li>Import/Export settings to easily transfer configurations.</li>
<li>For feature requests, please <a href="https://www.prisna.net/contact-us/" rel="nofollow ugc">contact us</a>.</li>
</ul>
<h4>Support:</h4>
<ul>
<li>Create a ticket here in the WordPress support forum: <a href="https://wordpress.org/support/plugin/google-website-translator" rel="ugc">https://wordpress.org/support/plugin/google-website-translator</a></li>
<li>Or you can also ask for assistance directly from our website: <a href="https://www.prisna.net/contact-us/" rel="nofollow ugc">https://www.prisna.net/contact-us/</a></li>
</ul>
<h4>Advantages over similar plugins:</h4>
There are a number of Google translation plugins in this great repository. However, most of them haven’t been carefully built. Here’s a list of reasons of why you should choose this plugin:
<ul>
<li>All the settings are stored in only one record in the database; whilst other plugins use lots of records.</li>
<li>It’s the fastest as it doesn’t load any external file; whilst other plugins load unnecessary javascript and css files.</li>
<li>It includes all the options of the original <a href="https://translate.google.com/manager/website/" rel="nofollow ugc">Google Website Translator</a>; whilst other plugins offer just a restricted version.</li>
<li>Prisna Ltd. is a real company (<a href="https://www.prisna.net/images/prisna-limited.pdf" rel="nofollow ugc">register record</a>), with professional people working on it.</li>
</ul>

Prisna GWT – Google Website Translator

Easily translate your WordPress site into 100+ languages to make it multilingual. A simple and complete multilingual solution for WordPress.

Iris Translate vs Prisna GWT – Google Website Translator