Upload Your Book
Accepted formats: PDF, ePub, plain text (.txt), or DOCX.
Maximum file size: 50 MB. The book must be either in the public domain or a work you hold the rights to.
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Start your translation today.
Upload your book and receive a high-quality AI translation, complete with full provenance metadata. If it’s public domain, we’ll publish it for the world.
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Public domain? We’ll publish it for free.
If the book you upload is in the public domain, we will publish your translation on Folios — freely available to readers around the world, forever. Your contribution becomes part of our growing global library.
How It Works
Choose Your Language(s)
Select one or more target languages from our full list of supported languages. Each language is charged separately.
Get a Quotation for 3 Different Models
The models will give you a choice of price and quality.
Pay and Receive Your Translation
Translations are typically delivered within 24 hours.
You'll receive a downloadable file in PDF and ePub format, along with full metadata: the Folios version used and the AI model that produced the translation.
Quality and Transparency
Every translation is traceable.
Readers deserve to know how a translation was made. Every Folios translation is published with full provenance metadata — the version of our translation pipeline, the AI model used, the source text, and the date of translation. This is our commitment to openness in an age of AI-generated content.
What we provide with every translation:
Folios Version Number
The exact release of our translation pipeline.
AI Model
The language model used (e.g. GPT-4o, Claude Sonnet 4).
Source Text
A link to the original document.
Translation Date
When it was generated.