100% Privacy Guaranteed
Your translation data is never sent to any server. Unlike Google Translate or DeepL, even confidential documents can be translated safely.
Korean → English
Source Text
Translation
Press the start button to begin
Why On-Device AI Translation?
Unlike cloud translation services, all translation happens directly in your browser.
Completely Free
No API costs, no monthly fees. Unlike Google Cloud Translation API ($20/1M chars), Simple Translate is free forever.
Real-time Voice Translation
Speak into your microphone for simultaneous speech recognition and translation. Use it instantly in conversations with non-native speakers.
AI-Powered Translation
Powered by Helsinki-NLP OPUS-MT model for natural translations. The AI runs directly in your browser.
Key Features
Real-time Voice Translation
Speak into your microphone for instant speech recognition and translation. Use it like a personal interpreter.
Bidirectional Translation
Supports Korean→English and English→Korean. Switch direction with a single button tap.
Complete Privacy
Translation AI model runs directly in your browser. Your content is never sent to external servers.
Easy Copy
Copy source text, translation, or both at once. Ready to use immediately.
Who Uses Simple Translate?
Travelers
Communicate with locals during your trip
Business Meetings
Assist with interpretation during partner meetings
Language Learners
Practice pronunciation and check translations
Healthcare/Public Services
Basic communication with non-native speakers
Students Abroad
Real-time translation assistance during lectures
Tourism Guides
Assist with tourist interpretation
International Events
Interpretation assist at conferences and seminars
Seniors
Translate easily by voice without typing
Free vs Paid Translation Comparison
Simple Translate is 100% free on-device translation. See how we compare to paid cloud services.
| Service | Cost | Privacy | Processing | Signup |
|---|---|---|---|---|
| Simple Translate | Free Forever | No Server Upload | Local | Not Required |
| Google Cloud Translation | $20/1M chars | Sent to Server | Cloud | Required |
| DeepL API | $25/1M chars | Sent to Server | Cloud | Required |
| Azure Translator | $10/1M chars | Sent to Server | Cloud | Required |
Frequently Asked Questions
Is voice translation really free?
Yes, Simple Translate is completely free. Unlike Google Translate API or DeepL API, there are no API costs. No signup or payment required.
Is my translation data sent to a server?
Translation processing happens 100% in your browser. Your text is never sent to external servers, ensuring complete privacy. (Note: real-time speech recognition uses the browser's built-in Web Speech API.)
What languages are supported?
Currently Korean↔English translation is supported. We use Helsinki-NLP's OPUS-MT AI model for high-quality translations.
What is on-device translation?
On-device translation runs the AI translation model directly in your browser. Unlike cloud translation, your data never leaves your device, ensuring complete privacy.
Can I use this as a real-time interpreter?
Yes, speak into your microphone and get real-time speech recognition and instant translation. Great for conversations, meetings, and travel.
Do I need to download a translation model?
On first use, a ~35MB translation AI model will be downloaded. Once downloaded, it's cached in your browser for instant use afterward.
Which browsers are supported?
Works on modern browsers supporting Web Speech API, including Chrome, Edge, and Safari. Chrome is recommended.
How accurate is the translation?
We use Helsinki-NLP's OPUS-MT model for conversational-level translation quality. Accuracy may vary for technical terms or complex sentences.