AI Document Translators, Compared
Side-by-side comparison of 9 AI document translators that preserve formatting. Filter by price, free tier, platform, billing. Data last reviewed 2026-10-06.
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9 tools
Rankings and sort order are based only on price and feature data.
Google Translate (Documents)
Free document translation from Google
✓ reviewed 2026-10-06free tier
webFile formats: not readableLanguages supported: not readableFree char limit: not readable
- Free document upload translation, formatting preserved
- No account or payment required
- Supports a very large number of languages
Taia
AI document translation with human review option
✓ reviewed 2026-10-06free tier
webFile formats: not readableLanguages supported: 204Free char limit: 5,000 credits/month (approx. 5,000 words)
- Free forever: 5,000 credits/month, no credit card required
- 204 languages on paid tiers (50 on Free)
- 65+ file formats on Pro/Enterprise (15 on Free/Basic)
Smartcat
AI-powered translation and localization platform
✓ reviewed 2026-10-06
webFile formats: pdf, docx, xlsxLanguages supported: 280Free char limit: not readable
- 15-day free trial including API access, no permanent free tier
- 280+ languages across translation and content creation
- Specialized translators for PDF, Office docs, InDesign, subtitles, XLIFF
Redokun
Document translation for InDesign, Word and PowerPoint teams
✓ reviewed 2026-10-06
webFile formats: docx, pptx, xlsx, pdfLanguages supported: not readableFree char limit: 10,000 exportable words (14-day trial)
- 14-day free trial, 10,000 exportable words, no credit card
- Formats: InDesign, Word, PowerPoint, Excel, PDF, XLIFF, JSON, SRT
- AI pre-translation, glossary and translation memory included
DeepL
AI translation with document formatting preserved
✓ reviewed 2026-10-06free tierother currency (EUR)
webFile formats: docx, pdfLanguages supported: 100Free char limit: 50,000 characters/month
- Free: 50,000 characters/month, 1 file translation up to 5 MB
- 100+ languages supported
- Write Pro add-on: EUR6.99/user/mo
Microsoft Translator (Azure AI Translator)
Enterprise document and text translation API
unverifiedfree tier
webFile formats: not readableLanguages supported: 130Free char limit: 2,000,000 characters/month
- Free tier (F0): 2 million characters/month
- ~130+ languages and dialects for text translation
- Document Translation and Document Translation (Image) billed separately from text
Reverso Documents
Document translation keeping original formatting
✓ reviewed 2026-10-06free tierother currency (EUR)
webFile formats: docx, pdf, pptx, xlsxLanguages supported: 29Free char limit: 2,500 words (one-time signup credit)
- Free: 2,500 words credit on signup
- 29 languages supported
- Formats: Word, PDF, PowerPoint, Excel
Doclingo
Free AI document translation (PDF, Word, PPT)
unverifiedfree tier
webFile formats: pdf, docx, pptxLanguages supported: 90Free char limit: 50,000 characters / 7 days (Visitor tier)
- Visitor (free, no signup): 2 translations/day, 50MB files, 50,000 chars/7 days
- 90+ languages supported
- Premium+: 500,000 chars/day, 2,000,000 chars/month, multiple AI engines
Canva Translate
unverified
webFile formats: not readableLanguages supported: not readableFree char limit: not readable
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