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.

wtranslator

WTranslator makes your website multilingual with just a few clicks. Your visitors can instantly switch between languages and read your content in their preferred language – no manual translation needed!
How it helps your visitors: 
* Read your website in their native language 
* Switch languages with a simple click 
* Optional automatic language suggestion from the browser (and Cloudflare country header when available), if you enable it in settings 
* Their language choice is remembered for future visits
What makes it great: 
* 100+ Languages – From English and Spanish to Chinese, Arabic, and everything in between 
* Beautiful Language Switcher – Elegant dropdown or flag icons that match your site design 
* Lightweight – Translation runs in the visitor’s browser via Google’s translate script; no API key is required 
* Powered by Google Translate – Uses Google’s translation technology to help translate your content 
* Works Everywhere – Compatible with any WordPress theme and most plugins
Perfect for: 
* Business websites reaching international customers 
* Blogs with a global audience 
* E-commerce stores selling worldwide 
* Educational content for diverse learners 
* Any website that wants to welcome visitors in their own language
<h3>External services</h3>
This plugin uses the following third-party service:
<ul>
<li>
Google Translate – Translation runs in the visitor’s browser via Google’s Translate Element. No API key required. See: <a href="https://policies.google.com/terms" rel="nofollow ugc">Google Terms of Service</a>, <a href="https://policies.google.com/privacy" rel="nofollow ugc">Google Privacy Policy</a>.
</li>
<li>
Auto-detect (no third-party) – Uses only browser Accept-Language and Cloudflare header when present. No IP sent to any service.
</li>
</ul>

WTranslator

Make your WordPress site multilingual with Google Translate. Visitors can read your content in their preferred language.

Iris Translate vs WTranslator