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yanlong wang
yanlong wang

Posted on Originally published at tools.aicreditsapi.com

DeepL and Technical Translation: Translating Docs Without Breaking Code (2026)

DeepL is, by most benchmarks and popular consensus, the strongest general-purpose machine translation service. This is not a challenge to that - it is a look at a specific gap: translating technical documents where code must survive translation untouched.

What DeepL Does Well

For natural-language text, its fluency and nuance are excellent, document-format support is broad, and the glossary feature pins specific terms. For a business email or a marketing page, it is a safe recommendation.

Where Translation Meets Code

Translation models translate text - and in technical documents some of that text is not prose:

  • Code blocks: a fenced `` python block may come back with translated comments, translated string literals, or reflowed formatting - any of which breaks it - **Identifiers:** getUserName, MAX_RETRIES, user_id can get casing-corrected or partially translated - **Technical terms:** "commit", "deploy", "race condition" have precise meanings; a fluent paraphrase can quietly change the meaning - **Commands and paths:** cd /var/log/app` is not a sentence and should never be touched

The Two-Step Alternative

A code-aware translation flow splits the job: skip the code, translate only the prose, pin identifiers and terms. Lint's translator works this way - code blocks, commands, and technical terms pass through untranslated, so output goes straight back into your docs.

General translator Code-aware translator
Best at Natural-language documents READMEs, tutorials, API docs
Code blocks May be altered Untranslated, byte-identical
Identifiers/terms Depends on glossary setup Skipped by design

Which to Use

Contract, email, article? Use the strongest general translator - that is DeepL's home turf. README or tutorial with code in it? Use a code-aware flow, or plan a manual pass to repair every snippet.

👉 Try Lint's code-aware translator - code stays code, free tier available.

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