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AI Tools to Translate Documents (2026)

Translating a document with AI is a different job from translating a sentence.

The file has to come back with its layout, its tables and its footnotes in place, your product names have to be rendered the same way in every file, and in most companies the text cannot be retained by the vendor afterwards.

That combination is what separates a document translator from a free web translator.

The practical limits are worth knowing before you choose: paid plans meter monthly document translations rather than words, entry tiers often allow five files a month, and only the higher tiers return a file you can edit rather than a read-only copy.

File size caps of 10 to 30 MB matter for image-heavy PDFs. Scanned documents remain the weak point everywhere, since the text has to be recognized before it can be translated.

Quick answer

DeepL is the answer for Word, PowerPoint and PDF files: the layout survives, glossaries keep your terminology fixed, and paid plans delete the text right after translation.

  1. DeepLStart here
  • 1tool listed
  • 1of 1scored by an editor
  • 1of 1with a free plan
  • $10.49/momedian entry price
  • Aug 26last pricing check
Top picks

The best AI tool to translate documents right now

  1. 1 Editor's pick

    DeepL

    Translation    8.6

    Machine translation for 30+ languages, with glossaries and document files

    Price
    $10.49/mo
    Free plan
    Yes
    API
    Yes
    Pricing checked Aug 26
Buying guide

How to pick an AI tool to translate documents

4 checks, in the order that saves the most time.

  1. Check the monthly document allowance

    This is the limit people hit first. Entry plans commonly allow five files a month and top tiers a hundred. Count your real volume before comparing headline prices.

  2. Ask whether the output file is editable

    Some plans return a locked copy. If a translator or a colleague has to correct the result, you need the tier that gives back a working document.

  3. Set up a glossary on day one

    Product names, legal terms and units must be identical across every file and every colleague. A glossary enforces that; re-prompting a general assistant does not.

  4. Confirm deletion and jurisdiction

    For contracts, HR files and anything regulated, require a written statement that text is deleted after translation and excluded from training, and check which country law applies.

Budget

Free, freemium or paid: AI tools to translate documents by pricing model

Entry price is the cheapest paid plan on monthly billing. Every listing shows the date its pricing page was checked.

See also Translation or browse every use case.

Questions

Translate documents with AI: FAQ

Short, factual answers on pricing, free plans and how AI tools to translate documents are ranked here.

Ask another question

What is the best AI tool to translate documents?

DeepL, for Word, PowerPoint and PDF files in around thirty languages, with the layout preserved and a glossary that keeps terminology consistent across a team.

Can AI translate a PDF and keep the formatting?

Yes. Document translators rebuild the file with its layout intact. Scanned PDFs are the exception, since the text has to be recognized first and the result is less reliable.

How many documents can I translate per month?

It is metered by plan, not by word count. Entry tiers commonly allow five files a month, mid tiers around twenty and top tiers a hundred, with file size caps between 10 and 30 MB.

Is it safe to translate confidential documents with AI?

On a paid plan that states immediate deletion and no training, yes. Free web translators generally retain what you submit, which rules them out for contracts and personal data.

Can I control how specific terms are translated?

Yes, with a glossary. You pin the source term and its translation, and the tool applies it in every document, which is the only reliable way to keep product and legal terms fixed.

For makers

Built an AI tool that helps translate documents? Get it listed free

A complete listing on Webanas ranks for your product name plus "pricing", "alternatives" and "review" queries. No fee, no affiliate deal, no sponsored tier.

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  • Reviewed by an editor, usually within a few days
  • Dashboard to update your listing whenever pricing changes
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