WPMMCC

WPMMCC is a powerful multilingual plugin that helps you create and manage multilingual WordPress websites. It supports both directory-based URLs (example.com/en/, example.com/zh/) and WordPress Multisite configurations.

Key Features

Content Translation

• Automatic translation of posts, pages, and custom post types
• Support for multiple translation providers (Google, DeepL, Baidu, Youdao, OpenAI)
• Bulk translation with progress tracking
• Translation rules for fine-grained control
• Field-level translation configuration

Theme Translation

• Scan theme files for translatable strings
• Automatic translation of theme text
• Support for PHP, JavaScript, Twig templates
• Database string scanning
• Theme template tags support

Site Group Management

• Organize sites into language groups
• Directory-based multilingual structure
• Multisite network support
• Main site and child site configuration
• Per-group translation settings

SEO & URL Management

• Automatic hreflang tag generation
• Canonical URL management
• Multilingual XML sitemaps
• URL localization for directory sites
• SEO plugin compatibility

Task Queue System

• Background processing for large translations
• Action Scheduler integration
• Task progress monitoring
• Retry mechanism for failed tasks
• Configurable batch processing

Use Cases

• Create a multilingual corporate website
• Build an international e-commerce store
• Manage a multilingual blog network
• Localize WordPress themes
• Translate existing content to new languages

Requirements

• WordPress 5.0 or higher
• PHP 7.2 or higher
• MySQL 5.7 or MariaDB 10.2
• PHP extensions: openssl, json, mbstring, curl

External Services

This plugin connects to third-party translation and AI services to provide translation functionality. No data is sent to any service until you explicitly configure and use that translation provider. Below is a list of all external services used:

Google Translate API

• Purpose: Automatic translation of content
• Data sent: Text content to be translated, source and target language codes
• When: When user initiates translation using Google as the provider
• Service URL: https://translation.googleapis.com/language/translate/v2
• Terms of Service: https://cloud.google.com/terms/service-terms
• Privacy Policy: https://policies.google.com/privacy

DeepL API

• Purpose: Automatic translation of content
• Data sent: Text content to be translated, source and target language codes
• When: When user initiates translation using DeepL as the provider
• Service URL: https://api.deepl.com/v2/translate or https://api-free.deepl.com/v2/translate
• Terms of Service: https://www.deepl.com/pro-license
• Privacy Policy: https://www.deepl.com/privacy

Baidu Translate API

• Purpose: Automatic translation of content
• Data sent: Text content to be translated, source and target language codes
• When: When user initiates translation using Baidu as the provider
• Service URL: https://fanyi-api.baidu.com/api/trans/vip/translate
• Terms of Service: https://fanyi-api.baidu.com/doc/5
• Privacy Policy: https://fanyi-api.baidu.com/doc/21

Youdao Translate API

• Purpose: Automatic translation of content
• Data sent: Text content to be translated, source and target language codes
• When: When user initiates translation using Youdao as the provider
• Service URL: https://openapi.youdao.com/api
• Terms of Service: https://ai.youdao.com/doc.s#guide
• Privacy Policy: https://ai.youdao.com/doc.s

OpenAI API (or compatible)

• Purpose: AI-powered translation using large language models
• Data sent: Text content to be translated with translation prompts
• When: When user initiates translation using LLM provider
• Service URL: Configurable (default: https://api.openai.com/v1/chat/completions)
• Terms of Service: https://openai.com/policies/terms-of-use
• Privacy Policy: https://openai.com/policies/privacy-policy

Note: Users must configure their own API keys for these services. API keys are stored encrypted using AES-256 encryption in your database and are never logged or exposed in plain text.

Privacy Policy

WPMMCC respects your privacy and handles data responsibly:

• Translation Data: Content sent to translation providers is processed according to each provider’s privacy policy
• API Keys: Stored encrypted in your database, never transmitted except to the respective provider
• No Tracking: The plugin does not track usage or send data to our servers
• Local Processing: All other operations are performed locally on your server

For more information, please review the privacy policies of your chosen translation providers.

Credits

WPMMCC uses the following open-source libraries:

• Action Scheduler (ASRunner 3.9.99-wpmmcc) – Consolidated build based on Action Scheduler 3.9.0, prefixed tables (wpmmcc_actionscheduler_*), defers to external Action Scheduler instances (e.g. WooCommerce) when present.
• WordPress Coding Standards – Code quality

Support

• Documentation: Plugin Documentation

Contributing

We welcome contributions! Please see our GitHub repository for:

• Bug reports
• Feature requests
• Pull requests
• Translation contributions