Document Translator Online
Translate document text, contracts, articles, letters — all 16 languages, locally in your browser, no server upload.
Your text never leaves your browser — translation runs locally via the Bergamot neural network.
What is an online document translator?
An online document translator works with document text right in your browser. Convertilo uses the Bergamot neural network (same as in Firefox) and translates locally — for contracts, articles, instructions, letters and any confidential text.
About the document translator
Convertilo translates document text through the WebAssembly Bergamot neural network. Text is not sent to a server. Supports 16 languages with direct models for popular pairs.
Features
- Translation runs entirely in browser — text never leaves your device
- Suitable for contracts, medical and legal documents
- Long texts are split into paragraphs and translated in parallel
- Quality close to Google Translate, no data transmission
Benefits
Privacy
Contracts and personal letters do not leave your browser. Safe for legal and medical documents.
No limits
No daily limits on characters or translations. Works offline after model download.
16 languages
English, German, French, Spanish and more — all on one model.
FAQ
Where does my document go?
Nowhere. Text is translated right in your browser through a WebAssembly neural network.
Can I do PDF?
Yes, see /pdf/translate/. You can also copy text from DOCX here.
Is there a length limit?
UI limits to 50,000 characters per pass. For larger documents split into chunks.
Is the quality good?
Close to Google Translate. Excellent for technical, legal, medical content.