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O.Translator

PDFs, Word and EPUB translated with formatting preserved.

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TranslationFreemiumWe checked the prices on otranslator.com on 28 Sep 2026.

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What is O.Translator?

PDFs, Word and EPUB translated with formatting preserved.

Who is O.Translator best for?

O.Translator is best for people translating whole PDFs, ebooks or papers who would rather pay per document than subscribe.

  • PDFs with complex layouts

    It keeps the original layout of PDFs, including tables and scanned pages read with OCR, rather than returning plain translated text.

  • Ebooks and comics

    EPUB books and CBZ or CBR comics go in whole and come back translated in the same format.

  • Papers and contracts

    Paste an arXiv link to translate a paper, and switch to Professional mode for legal or academic text where terms must be exact.

  • Occasional translation jobs

    Credits never expire and there is no monthly fee, so a one-off book or report costs only what it uses.

How much does O.Translator cost?

O.Translator has no subscription: you buy credits that never expire, from $5 for 40 credits to $500 for 4,000, and Standard translation costs 1 credit per 3,000 words of English plus 1 credit per document.

40 credits$5One-time payment
  • About 120,000 English words in Standard mode
  • Credits never expire
120 credits$15One-time payment
  • About 360,000 English words in Standard mode
  • Credits never expire
480 credits$60One-time payment
  • About 1.4 million English words in Standard mode
  • Credits never expire
4,000 credits$500One-time payment
  • About 12 million English words in Standard mode
  • Credits never expire

Each document costs a 1-credit analysis fee plus 1 credit per 3,000 tokens in Standard mode or per 1,000 tokens in Professional mode, which uses models such as GPT-4.1 and Gemini Pro. One English word is 1 token and one Chinese character about 2; scanned PDF pages count as 1,200 tokens each. You can preview the full Standard translation free before paying, and each document has a small free quota. A credit is worth about $0.13 and the smallest payment is $1.95. Right now the page adds 20% to 60% bonus credits to the packs (48, 168, 720 and 6,400 credits), with no end date. Full pricing on otranslator.com. We checked these prices on .

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What are the best O.Translator alternatives?

One tool on Recaply does O.Translator's job.

Questions about O.Translator

What is O.Translator?

PDFs, Word and EPUB translated with formatting preserved.

Who is O.Translator for?

O.Translator is best for people translating whole PDFs, ebooks or papers who would rather pay per document than subscribe.

Is O.Translator free?

You can try O.Translator free before paying; paid plans start at $5 one-time payment.

How much does O.Translator cost?

O.Translator's paid plans are 40 credits at $5 one-time payment, 120 credits at $15 one-time payment, 480 credits at $60 one-time payment and 4,000 credits at $500 one-time payment.

What are the best O.Translator alternatives?

The closest alternatives on Recaply are DeepL.

Where can I try O.Translator?

On its official website, otranslator.com.

Can I see an O.Translator translation before paying?

Yes. O.Translator lets you preview the complete Standard translation of a document for free, and you spend credits only if you want to keep the result. You can also move a document up to Professional mode after the preview for higher quality.

Which file types can O.Translator translate?

O.Translator takes more than 50 file types up to 1GB each, including PDF, DOCX, PPTX, XLSX, EPUB, comic archives, subtitle files and audio, across more than 100 languages. Scanned PDFs and images are read with OCR.