DualTrans - Read foreign pages and videos with translations inline
Helps researchers, engineers, and language learners read foreign web pages and YouTube videos in two languages, placing translations beneath the original text to absorb content faster.
Built by lianwaiyu2 · Developer Tools · Education
In category: #1396 of 1410 · Developer Tools
DualTrans is a Community listing on Launch Llama with 0 total upvotes, founded by lianwaiyu2 who joined in Oct 2026, compared against 6 alternatives.
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lianwaiyu2 (Joined Oct 2026)
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Compared against 6 alternatives
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About
Translations are embedded through high-precision DOM traversal, so code blocks, LaTeX formulas, tables, and buttons keep their original structure. Users can choose managed models from DeepSeek, Gemini, Claude, or OpenAI through a Pro tier, or bring their own API keys, which stay in local browser storage. Free engines such as Google Translate and Microsoft Edge Neural Translate take over when AI rate limits are hit. Six visual styles can be previewed and switched in the sidebar.
Key Features
- Delivers embeds translations directly beneath original text using DOM node traversal
- Delivers synchronizes dual-line subtitles on YouTube and other online videos
- Delivers shows inline translation badges for highlighted words and definitions
- Delivers preserves code blocks, LaTeX formulas, and tables during translation
- Delivers switches among six visual styles with live sidebar previews
- Connects your own API keys or local Ollama models for private translation
Pricing
See the DualTrans website for current pricing.
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