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Lingo.dev

AI localization engine for software and docs

paidupdated Apr 21, 2026

Lingo.dev is a Y Combinator F24-backed AI localization engine that automates translation of software interfaces and technical documentation into multiple languages while maintaining technical context. It preserves code variables, formatting tokens, and technical terminology that generic translation tools mangle, solving the global reach problem for developer-facing products and documentation.

Lingo.dev specializes in localizing software and technical documentation where generic translation tools fail. The AI engine understands that strings like '{count} items remaining' contain code variables that must be preserved, that technical terms like 'pull request' or 'deployment' have specific meanings in developer contexts, and that formatting tokens in different frameworks need special handling during translation.

The platform automates the translation workflow from string extraction through translation to integration back into the codebase. It supports common localization formats including JSON, YAML, PO files, and framework-specific formats for React, Vue, and mobile platforms. Translation memory ensures consistency across the project, and context-aware AI produces translations that read naturally rather than literally.

As a Y Combinator F24 company, Lingo.dev launched successfully on Product Hunt in early 2025 and has been actively scaling its platform. Paid pricing is designed for software teams that need to maintain multilingual products, with the platform handling the technical complexity of localization so developers can focus on building features.

Pricing

Paid; YC F24 backed

Platforms

JSON, YAML, React, Vue, iOS, Android, PO files

Categories

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FAQ

What is Lingo.dev?

Lingo.dev is a Y Combinator F24-backed AI localization engine that automates translation of software interfaces and technical documentation into multiple languages while maintaining technical context. It preserves code variables, formatting tokens, and technical terminology that generic translation tools mangle, solving the global reach problem for developer-facing products and documentation.

Is Lingo.dev free?

No — Lingo.dev is a paid tool. Paid; YC F24 backed

What are the best Lingo.dev alternatives?

The top editor-verified Lingo.dev alternatives are Emdash, Relume, Conductor.build.