AI Document Translator - Free & Private

Translate PDF, Word, Excel files with AI for free, unlimited, running 100% in your browser. WebGPU accelerated, real-time streaming, bilingual output, custom glossary, 15 languages supported, no signup required, absolute privacy

Calculate
✨ Key Features
  • ⚡ WebGPU acceleration — 10x faster GPU translation
  • 🚀 Streaming Translation — see results in real-time
  • 🤖 Auto-detects Browser AI / WebGPU / WASM
  • 🔒 Absolute privacy – Files never leave your device
  • 📄 Supports PDF, Word (.docx), Excel (.xlsx)
  • 🌐 Bilingual: interleaved, side-by-side, or separate sheets
  • ✏️ Edit translations inline before export
  • 📚 Custom terminology glossary (CSV upload)
  • 📦 Batch translate up to 10 files at once
  • 📶 Offline cache — download model once, use forever
  • 🆓 Free & unlimited translations
  • 🌍 15 languages: English, Vietnamese, Chinese, Japanese, Korean, French...
Tags
translatedocument translationtranslate PDFtranslate Wordtranslate ExcelbilingualAIfile translatorlanguageofflineprivateWebGPUstreamingBrowser AIglossaryGPU acceleratedfree translatorunlimited translationtranslate Englishtranslate Vietnamesetranslate Chinesetranslate Japanesetranslate Koreanbatch translateauto translateonline translatorno signupsecure translation
Related Tools

Unit Converter

Convert units of length, weight, temperature, volume, area, speed, time, and data accurately

Base64 Encoder / Decoder

Encode text to Base64 and decode back. Supports URL-safe Base64 for web and API usage

JSON Formatter & Validator

Format, beautify and validate JSON. Minify for API optimization and compare sizes before/after