LetItTalk
Offline AI Translator
Fully offline

Voice translator powered by neural networks — without the internet

Whisper transcribes speech, NLLB-200 translates, Piper speaks — all on your device, no cloud, no sign-up, no tracking. Download the models once and use them free forever.

LetItTalk — Offline AI Translator

What's inside

~1.9 GB
Whisper Speech recognition in 99 languages
NLLB-200 Translation between 200 languages
Piper Natural-sounding speech synthesis
ONNX Runtime Fast inference on CPU/GPU

Download neural network models

Pick a source, download the LetItTalk folder and place it in Documents/LetItTalk on your device. The app will pick up the files automatically.

Developer siteRecommended

Direct download from the primary CDN. The built-in downloader uses this source automatically.

Used automatically by the app

Google Drive

Google Drive mirror. Use it if the main server is unavailable or a VPN blocks traffic.

Open folder

Yandex Disk

Yandex Disk mirror. Typically fast from Russia and CIS countries without a VPN.

Open folder
File list (8 files, ~1.9 GB)
File Size Purpose
whisper_encoder.onnx~87 MBWhisper STT encoder
whisper_decoder.onnx~155 MBWhisper STT decoder
whisper_tokenizer.json~2 MBWhisper BPE tokenizer
nllb_encoder.onnx~591 MBNLLB-200 encoder
nllb_decoder.onnx~917 MBNLLB-200 decoder
nllb_tokenizer.json~18 MBNLLB SentencePiece tokenizer
piper_model.onnx~61 MBPiper TTS model (en-US, amy-medium)
piper_config.json~5 KBPiper config

Support the project

The models are free and will stay free forever. If you find the app useful, you can buy a copy in the store — it helps the project grow.

ЧёКак: Общайся

Get the app in the store

Buy LetItTalk at ЧёКак.Store — support an indie developer.

About the developer

Ivan Kosenkov — engineer, author of this project. More work and contacts on the personal site.