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Swordfish review

#25 of 29 in Computer-Assisted Translation SoftwareTranslation Software

A capable desktop CAT tool with broad AI-provider integrations and no free ready-to-use plan.

6.7/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Swordfish is a desktop computer-assisted translation tool built around XLIFF workflows. It is designed for translators managing multilingual content across Office, HTML, JSON, PO, DITA, XML, subtitle, and other formats. Windows, macOS, and Linux support gives desktop translators flexibility across operating systems, while translation memory, terminology glossaries, segment filtering, proofreading views, and quality-assurance checks cover the core needs of structured translation work. It is a strong fit for professionals who want one desktop environment with broad machine-translation and AI-provider choice.

The published plan is a Swordfish annual subscription priced at US$140 per year, with a free 30-day trial. The subscription includes the professional CAT tool, while ready-to-use installers, support, bug fixes, and feature requests are provided through subscriptions. The product page also makes the source code available for download, compilation, modification, and use under its licensing terms. Buyers should distinguish that source-code availability from ready-to-use subscription access when evaluating the product.

Swordfish’s main depth comes from its translation workflow and provider coverage. Translation memory supports TMX import and export, while terminology glossaries support TMX and TBX. QA features include inline-tag and spacing checks, and HTML proofreading views add another review surface. Integrations include Azure Translator Text, DeepL API, Google Cloud Translation, ModernMT, Alibaba Qwen, Anthropic Claude, ChatGPT, Google Gemini, Mistral, and Ollama. Choose Swordfish if you want a desktop CAT tool with broad AI options and multilingual file support. Consider another option if you need a free ready-to-use plan or a non-desktop workflow.

Swordfish pros and cons

  • Where it wins
    • Translation memory, glossaries, filtering, and QA checks
    • Supports Office, HTML, JSON, PO, DITA, XML, subtitles, and more
    • Runs on Windows, macOS, and Linux with many AI integrations
  • Where it doesn't
    • Ready-to-use access requires a paid annual subscription
    • Desktop deployment may not suit browser-first workflows
    • The feature set is centered on XLIFF-based translation work

Swordfish fact sheet, pricing and score →

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