Help & support.
Direct answers about catalogs, translation, and what leaves your Mac.
Three steps.
setup · keys · useOpen.
Open an Apple String Catalog (.xcstrings) or JSON i18n file with Open… or drag-and-drop.
Translate.
Machine translation uses a provider you connect with your own key, or a local Ollama server — per language, with review before anything is written.
Save.
Save back to the same format. Your files never leave your Mac; only the strings you translate are sent to your chosen provider.
Your keys, your device.
byok · privacy · pricingYou can open, edit, and save catalogs with no key. Machine translation needs a provider key or a local Ollama server; you pay that provider directly.
Only the source strings you ask to translate, sent straight from your Mac to the endpoint you configured under your own key. Silo Systems runs no server and receives no copy.
In the macOS Keychain, in app-scoped items — never in preferences, files, or logs.
OpenAI, Anthropic, OpenRouter, Google Gemini, xAI, GitHub Models, or a local Ollama server at 127.0.0.1.
A one-time Mac App Store purchase at $39.99. No subscription, no account.