TransFlash
AI-Powered Document Translation Platform
Translate books, manuals, and long documents. Compare side-by-side. Manage glossary. Track your progress.
🔒 100% Client-Side — Your data never leaves your device
Start Translating Free →
🔒 Your Data Stays on YOUR Device
TransFlash processes everything in your browser. Your documents are never uploaded to our servers.
No data is stored online. No account required. Complete privacy and security.
🛡️
Enterprise
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What is TransFlash?
TransFlash is a free, 100% client-side AI document translation platform.
Designed for professional translators, localization teams, students, and businesses who need to translate
long documents like books, technical manuals, user guides, contracts, and presentations.
TransFlash — HELLER_Manual.docx (294 pages)
📤 Upload
📂 Open
English →
Vietnamese
🔄 Translate
📖 Glossary
💾 Save
⬇ Download
📄 Source — Page 42/294
System Configuration
The oven must be configured before first use.
Safety requirements must be verified by qualified personnel. Dịch lại
Refer to Section 3.2 for detailed setup instructions.
Figure 12. Control Panel Layout
🌐 Translated — Page 42/294
Cấu hình hệ thống
Lò phải được cấu hình trước khi sử dụng lần đầu.
Yêu cầu an toàn phải được xác minh bởi nhân viên có chuyên môn.
Tham khảo Phần 3.2 để biết hướng dẫn cài đặt chi tiết.
Hình 12. Bố trí bảng điều khiển
↑ Example: English → Vietnamese translation with hover tracking
TransFlash — Product_Specification.docx (86 pages)
📤 Upload
📂 Open
English →
Korean 🇰🇷
🔄 Translate
📖 Glossary
💾 Save
⬇ Download
📄 Source — Page 12/86
Product Specifications
Maximum operating temperature: 350°C
The conveyor belt speed can be adjusted from 10 to 200 cm/min. Re-translate
All safety interlocks must be functional before operation.
Table 5. Electrical Requirements
🌐 번역됨 — 12/86 페이지
제품 사양
최대 작동 온도: 350°C
컨베이어 벨트 속도는 10~200cm/min 범위에서 조절할 수 있습니다.
작동 전 모든 안전 인터록이 정상 작동해야 합니다.
표 5. 전기 요구 사항
↑ Example: English → Korean translation. Numbers (350°C, 10~200cm/min) preserved automatically.
Key Features
📖
Long Document Support
Handle 300+ page manuals and books. Auto-splits large files into chunks.
👀
Side-by-Side View
Source and translation displayed simultaneously with hover tracking.
📚
Glossary Management
Add domain-specific terms. AI respects your glossary during translation.
✅
Review Tracking
Mark pages as "Done". See progress dashboard with page-by-page status.
✏️
Inline Editing
Edit translations directly. Re-translate individual segments with one click.
💾
Save & Resume
Save as .tao file. Continue on another device. Share with your team.
How to Use — Step by Step
Drag and drop your .docx or .pptx file. Files up to 500MB supported. Large files auto-split into ~20-page chunks.
📤
Upload a document to translate
Drag & drop or click to select
📄 DOCX
📊 PPTX
Choose source and target language (18+ languages). Click Translate. Watch real-time progress.
English ▾
→
Vietnamese ▾
🔄 Translate All (294)
■■■■■■■■░░ 78%
Source on the left, translation on the right. Hover any text to highlight matching text on the other side.
Source — Page 15
Personnel should remain clear of moving equipment.
If equipment requires adjustment while in motion, a safety watch should be posted.
First Aid: An injury should never go unattended.
Translated — Page 15
Nhân viên phải tránh xa các thiết bị đang di chuyển.
Nếu thiết bị cần điều chỉnh khi đang chuyển động thì phải bố trí người giám sát.
Sơ cứu: Một vết thương dù nhẹ cũng không bao giờ được bỏ qua.
Yellow highlight = hover tracking. Both panels scroll in sync.
Add domain-specific terms so the AI translates consistently. Import from CSV.
📚 Glossary — English → Vietnamese (5 terms)
Reflow Oven → Lò Reflow
Conveyor Belt → Băng tải
Thermocouple → Cặp nhiệt điện
Flux → Chất trợ hàn
PCB → Bo mạch in
Hover source text → click "Re-translate" for a new translation. Or enter Edit Mode to type corrections directly.
The minimum safety clearance is 450mm.
Dịch lại
Khoảng cách an toàn tối thiểu là 450mm.
✏️ Edit Mode — click any text to edit directly
Mark each page as "Done" after reviewing. Open the progress panel to see which pages need attention.
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🟢 Done ⬜ Pending 🔵 Current page — Click any page to toggle or jump to it.
Save Project (.tao file) to continue later. Download the translated document with formatting preserved.
💾 Save Project (.tao)
⬇ Download Translated.docx
Who Uses TransFlash?
📘 Book & Publication Translators
Translate novels, textbooks, academic papers. Track terminology across hundreds of pages.
🏭 Technical Writers & Engineers
Translate equipment manuals, SOPs, safety guides. Preserve tables, diagrams, and warning boxes.
🏢 Business & Legal Teams
Translate contracts, reports, presentations. Ensure terminology consistency with glossary.
🎓 Students & Researchers
Translate academic papers and study materials. Learn by comparing original and translation.
Available in 8 Interface Languages
🇬🇧 English
TransFlash is a free, 100% client-side AI document translation platform. Your files never leave your device. Upload Word or PowerPoint, get instant translations in 18+ languages with formatting preserved. Side-by-side comparison, glossary management, inline editing, and project saving.
🇻🇳 Tiếng Việt
TransFlash là phần mềm dịch tài liệu miễn phí, xử lý 100% trên máy người dùng. File của bạn không bao giờ rời khỏi thiết bị. Tải lên file Word hoặc PowerPoint, nhận bản dịch tức thì với định dạng giữ nguyên. So sánh song song, quản lý thuật ngữ, chỉnh sửa trực tiếp.
🇰🇷 한국어
TransFlash는 100% 클라이언트 측에서 작동하는 무료 AI 문서 번역 플랫폼입니다. 파일이 장치를 떠나지 않습니다. Word, PowerPoint 파일을 업로드하면 서식을 유지하면서 18개 이상의 언어로 번역됩니다.
🇨🇳 中文
TransFlash是100%客户端运行的免费AI文档翻译平台。您的文件永远不会离开您的设备。上传Word或PowerPoint文件,即可获得保持原始格式的即时翻译。
🇪🇸 Español / 🇫🇷 Français / 🇩🇪 Deutsch / 🇧🇷 Português
TransFlash is available in 8 interface languages. All processing happens locally on your device for maximum security and privacy.
Frequently Asked Questions
- Is my data safe?
- Yes, 100%. TransFlash runs entirely in your browser. Your documents are processed locally and never uploaded to any server. No data is stored online. No account needed.
- Is TransFlash free?
- Yes, completely free. It uses Google Translate's free API for translations, called directly from your browser.
- What file formats are supported?
- Word (.docx) and PowerPoint (.pptx).
- Can I translate a 300-page book?
- Yes! Large documents are auto-split into ~20-page chunks for faster processing.
- What is the glossary feature?
- Add domain-specific term pairs. The AI uses your preferred translations instead of generic ones.
- Can I save and continue later?
- Yes. Save as .tao file (stored on your device), open it anytime to continue.
- How is this different from Google Translate?
- Google Translate handles plain text only. TransFlash handles entire documents with formatting, side-by-side comparison, glossary, page review, inline editing, and project saving.
Related:
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