Langsany
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Introduction
Free translate tool that runs in your browser.
Listed on
July 23, 2026
What is Langsany?
Langsany is a free AI translation tool that runs entirely in your browser. It downloads a compact neural translation model to your device, enabling private, unlimited, and offline-capable translation. Unlike cloud-based translators, your text never leaves your device, ensuring privacy and no usage limits.
How to use Langsany?
- Open langsany.com, choose your source and target languages (or let the built-in detector identify the language automatically), and type or paste text to translate. On first use, a compact neural translation model downloads to your browser cache; after that, translations are instant and work offline. You can also prepare language pairs in advance for offline use, and manage downloaded models via the gear icon.
Core features of Langsany
- 100% free translation with no character caps or quotas
- Works offline after one-time model download
- 100% private — text never leaves your device
- Powered by open-source neural machine translation models (Opus-MT) via WebAssembly
- Supports 26+ languages with automatic language detection
- Instant and unlimited translations after initial model download
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