Translate .NET RESX resource files with Hyperlocalise

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Source file

<?xml version="1.0" encoding="utf-8"?>
<root>
    <data name="home.title" xml:space="preserve">
        <value>Welcome</value>
        <comment>Home screen heading</comment>
    </data>
</root>

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Configure your files

locales:
    source: en-US
    targets:
        - es-ES

buckets:
    messages:
        files:
            - from: locales/en-US/messages.resx
              to: locales/{{target}}/messages.resx

llm:
    profiles:
        default:
            provider: openai
            model: gpt-5.2

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Translate

hyperlocalise run --dry-run
hyperlocalise run

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Behavior and limitations

• Uses the generic XML parser for text resources: data names identify their value text.
• Comments, attributes, metadata, and resheader elements are preserved.
• Use text-only resources. Mixed-content XML is unsupported; do not treat support for text RESX as support for arbitrary serialized .NET objects.
• Changed CDATA values are written as escaped text. See XML for shared behavior.

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Next steps

• Check translations before committing generated files.
• Local translation workflow explains repeat runs.
• Browse all file formats.

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Related formats

• XML localization
• Java .properties