Loco Translate

Quick take

Loco Translate is a focused WordPress localization tool for editing theme and plugin translation files inside the WordPress dashboard. This Loco Translate review recommends it when your problem is untranslated interface strings, plugin text, or maintaining PO, MO, POT, and WordPress JSON translation files.

Best fit: Loco Translate makes the most sense for WordPress site owners and developers editing plugin/theme strings, gettext files, and localization assets. I would choose a different option for sites needing a complete multilingual content, URL, and international SEO system by itself.

It is not the same type of product as Polylang, TranslatePress, or WPML. Those tools are built to run multilingual websites. Loco Translate primarily edits localization files and strings.

What Loco Translate actually does

Loco Translate gives you a translation editor inside WordPress admin. You can create and update language files for installed themes and plugins, extract translatable source strings, generate templates, and compile translations into formats WordPress uses.

The plugin supports standard PO features such as comments, references, and plural forms. It can compile MO files and WordPress-compatible JSON translation files without requiring Gettext tools on the server.

Why the protected language directory matters

A common mistake with custom plugin or theme translations is saving them where a normal theme or plugin update can overwrite them. Loco Translate provides a protected languages directory for custom translations, which is usually the safer place for site-specific string changes.

That does not remove the need for backups. Translation files are still site data. But choosing the correct file location reduces the risk of losing custom work during routine updates.

Machine translation and API integrations

Loco Translate can integrate with translation services including DeepL, Google, Microsoft, Lecto, and OpenAI. These integrations can speed up translation suggestions, but they are not the same as a built-in unlimited translation service.

Provider credentials, quotas, availability, and usage costs depend on the external service you connect. The plugin itself does not make those third-party API costs disappear. I would treat machine suggestions as a starting point and review important user-facing strings before publishing them.

Loco Translate pricing and the separate Loco service

Loco Translate pricing for the WordPress plugin is simple: the plugin is free and open source. There is no Loco Translate Pro plugin tier listed on WordPress.org.

Loco also operates a separate hosted localization platform at localise.biz with Free, Pro, Business, and Agency plans. That cloud service should not be confused with the WordPress plugin. Its paid plans are for hosted localization and collaboration workflows, not a required upgrade for using the Loco Translate WordPress plugin.

When Loco Translate is the right tool

Loco Translate fits well when a plugin ships with an awkward label, a theme string needs a local translation, or a developer needs to maintain WordPress localization files without leaving the dashboard. It is also useful for extracting strings from your own theme or plugin during development.

Trade-offs and security considerations

Because Loco Translate can read and write language files, permissions matter. Version 2.8.8 includes security-related hardening, and recent releases added more controls around source-code references and writable locations. Keep the plugin updated, especially on sites where multiple administrators or translators have access.

Automatic translation also introduces external data handling when you connect an API. Review the provider’s privacy and billing terms before sending site strings to a third-party service.

PluginSuggest verdict

This Loco Translate review recommends it as a practical free utility for WordPress string localization. It solves a specific problem well and does not need to become a full multilingual-site platform.

If your goal is international SEO, translated URLs, visitor language switching, and full page-by-page multilingual content, Loco Translate alone is not enough. Pair the right localization tool with the right multilingual architecture rather than expecting one plugin to do both jobs.

Loco Translate FAQs