Now available on iOS

Translate any video
instantly.

Drop a file, process locally, and watch subtitles appear in your language — powered by on-device AI.

Download for free See how it works →
14:24▲ 100%
Settings
👑
LinguaLens Pro
Azure TTS · No ads
Active
🤖 AI Engine
Whisper ASR
whisper-small · 79 MB
Ready
Apple Translation
On-device neural
Idle
Azure Neural TTS
Cloud synthesis
Connected
🌐 Translation
Default Language
Pre-selected for new jobs
Ask every time
Supported Languages
19
14:24 ▲ 100%
Translate Any Video
Break language barriers with AI precision.
Paste video link here
Drop a link or pick a file below...
Process
🖼️
Upload from Photos
📁
Browse from Files
Recent Tasks
🎬
lecture_oxford.mp4
English → Vietnamese
Completed
🎬
documentary_hd.mp4
English → Japanese
Completed
🎵
podcast_ep42.mp3
English → Korean
Processing
🏠Home
📂Projects
⚙️Settings
EN → VI
🎓
▶
1:243:41
ORIGINAL · ENGLISH
"The process of language acquisition begins long before formal education..."
TRANSLATION · VIETNAMESE
"Quá trình tiếp thu ngôn ngữ bắt đầu từ rất lâu trước khi có giáo dục chính thức..."
⏮
⏪
⏸
⏩
⏭
TRANSCRIPT
0:00 Introduction to linguistics...
1:24 Language acquisition →
2:10 Cognitive development...
Features

Everything you need.
Nothing you don't.

🧠
On-device AI
Whisper ASR runs locally using Apple Neural Engine. Fast, private, no upload required for transcription.
💬
Live subtitles
Watch translated subtitles appear in sync with playback. Original and translated text shown side by side.
🎙️
Voice synthesis
Azure Neural TTS reads translations aloud in natural-sounding voices. AVSpeechSynthesizer available offline.
📂
File & link input
Import from your Files app, Photos library, or paste a direct link. Supports MP4, MOV, MKV, MP3, M4A, WAV.
📄
Export subtitles
Download full transcripts and translations as SRT or TXT files — ready for editing or sharing.
🔒
Privacy first
~70% of processing happens on your device. No account required. No video is stored on our servers.
Languages

19 languages.
More coming.

From English to Arabic, Japanese to Ukrainian — LinguaLens covers the languages that matter to you.

🇺🇸English
🇻🇳Vietnamese
🇯🇵Japanese
🇰🇷Korean
🇨🇳Chinese
🇪🇸Spanish
🇫🇷French
🇩🇪German
🇮🇹Italian
🇵🇹Portuguese
🇷🇺Russian
🇸🇦Arabic
🇮🇳Hindi
🇹🇭Thai
🇮🇩Indonesian
🇳🇱Dutch
🇵🇱Polish
🇹🇷Turkish
🇺🇦Ukrainian
How it works

Three steps.
That's it.

01
Add your file or link
Pick a video or audio file from your device — Photos, Files app, anywhere. For best results, download the file locally before importing. Direct links are supported too.
02
Choose your language
Select the target language from 19 options. LinguaLens auto-detects the source language using Whisper's built-in language recognition — no manual selection needed.
03
Watch, read, export
Subtitles stream as processing completes. Play back with synchronized captions, listen to the voice synthesis, or export as SRT / TXT for use anywhere.
Privacy

Your content stays yours.

No account needed. No video uploaded. Transcription and language detection run entirely on your iPhone using Apple Neural Engine.

No account required
No video stored remotely
On-device transcription
Local SQLite storage
No ad tracking
70% Processing on-device
19 Languages supported
0 Accounts required
SRT Export format
Download

Start translating
today.

Free to download. No subscription required to get started.

Download on the App Store

Requires iOS 16.0 or later.