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Introduction

PolyFields adds Polylang multilingual support for ACF options pages. It gives you language-aware storage for ACF options values so each language can maintain its own content without unexpected fallbacks.

This plugin is designed for sites that use Advanced Custom Fields Pro options pages together with Polylang or Polylang Pro. At its core, it provides explicit translation relationships per options page and isolated values per language — missing values in a non-default store are not auto-filled from the default language on read.

Key features

  • Seamless integration — Keep using your native ACF setup exactly as you always have. PolyFields works with the default get_field() function and delivers the correct translation automatically, without requiring custom code.
  • First-time user assistant — On activation, an intelligent setup assistant analyzes your site and guides you through the best next steps, whether you are importing legacy data or migrating from another plugin. See First-use workflow.
  • Legacy ACF import — Transition existing single-language sites into multilingual setups. The assistant safely imports your native ACF options while applying Polylang Pro translation settings to your data. See Import from default ACF options.
  • ACF Options for Polylang migration — Migrate from ACF Options for Polylang with your existing multilingual data intact. PolyFields relies on your legacy setup until you run import, so your live site stays undisturbed until you are ready. See Migration from ACF Options for Polylang.
  • DeepL integration — Leverage Polylang Pro’s DeepL integration to automatically translate translatable options and keep global settings localized. See DeepL machine translation and Field translation overview.
  • Autoload optimization — Keep your site fast at scale by managing the autoload status of legacy option rows and saving new per-language stores with autoload = off. See Legacy options autoload.
  • Clean uninstallation — If you remove PolyFields, you can erase all of its data and custom options in one step, leaving no orphaned rows behind.
  • WP-CLI commands — Trigger data imports, run legacy migrations, and manage autoload configuration directly from the terminal. See WP-CLI overview.
  • Multi-tab safe editing — Language isolation safeguards prevent editing options across multiple browser tabs from cross-contaminating or overwriting translations.

After installation, see Requirements to confirm your environment is ready, then review the First-use workflow if you are migrating from an existing setup.