LocHub brings AI translation into the Unreal Editor without taking the control away from you. Your project's strings go to the AI provider you choose, under your own key; built-in checks and a second AI catch the problems; you review the result in one place and pull it back as plain Unreal localization data.

YOU STAY IN CONTROL

• Broken formatting never reaches your game. Format arguments ({0}, {PlayerName}), plural forms for every target language and rich-text tags are validated in code twice — by LocHub, and again by Unreal's own validator right before anything is written. Broken text cannot be approved, not even by hand.

• A second AI reviews every translation. An optional judge checks meaning, terminology and tone, rates each issue by severity and suggests a fix. Risky strings come first in the review queue.

• Every string is translated in context. With the text, the AI gets where it comes from (the asset or C++ file), its developer notes and metadata, already-translated strings from the same screen or asset, your project brief and style guide, and your answers to its earlier questions.

• Your glossary is followed. Fixed terms and do-not-translate words go to the translator and the judge with every request; do-not-translate terms are also checked in code. Change a term, and every string that uses it is queued for re-translation in one click.

• Translations that would overflow your UI are flagged, and the AI is told the length limit up front.

• Human edits are never overwritten by the AI.

• Changed source text marks its translations outdated; they are not shipped until updated.

• You choose what ships: only approved strings, or everything that passed the checks.

• Full history per string, a cost estimate before every job and a hard spending cap.

PLEASANT TO USE

• Works in an editor tab: a fast grid, filters, and a keyboard-driven review queue.

• Jump from a string to its asset or C++ line; preview a language in the editor live.

• Glossary CSV import/export; the AI asks you questions instead of guessing.

• Work with human translators: export to XLIFF or CSV, import their work back through the same checks.

SIMPLE

• One click sets up your localization target. No accounts, no servers.

• Bring your own key: Anthropic, OpenAI, xAI, DeepSeek, Google Gemini or any OpenAI-compatible endpoint, including local models (Ollama, LM Studio) — or, for Anthropic, your own Claude subscription via Claude Code, no key needed.

• Output is ordinary archives and .locres — stop using LocHub any time.

HOW IT WORKS

1. Set Up the localization target from Tools > LocHub.

2. Push your gathered strings (a dry run shows what changes first).

3. Translate a batch with your AI provider, after a cost estimate.

4. Review in the grid and the review queue.

5. Pull the translations back into your project.

REQUIREMENTS

• Unreal Engine 5.6, 5.7 or 5.8.

• Node.js 22.11 or newer (LocHub runs a small local service on 127.0.0.1).

• An API key for one of the supported AI providers. There is also the option to use Claude Code via a subscription.

Only what a translation needs (the strings, their notes and your glossary) leaves your machine, sent to your AI provider under your own key.