Features
of Yaraku Translate
AI + You = Smarter Translation
Elevating quality and accelerating speed through AI and human editing.
Achieve high-quality translations with Yaraku Translate
With Yaraku Translate, you can translate while applying glossaries that store internal terminology and proper nouns, along with phrases.
After machine translation, AI checks each sentence (segment) and highlights areas that may contain mistranslations.
A post-translation preview lets you see the finished document as you work, helping you complete high-quality translated documents.

A full set of easy editing features
Yaraku Translate displays the source and translated text side by side, making it much easier to check and fix mistranslations and omissions while significantly reducing manual work.
You can edit while checking translation progress in real time. Collaboration features also make it easy to request a second review.

Reduce translation costs with machine translation and professional editing
Yaraku Translate’s translation service specializes in post-editing, where professional translators refine machine-generated drafts. After translating your content with Yaraku Translate, you can order post-editing from an experienced translation agency.
Improve quality and reduce costs with professional editing
With Yaraku Translate’s translation service, professional translators refine AI-generated translations. This improves translation quality while reducing turnaround time and costs. See below for service details.
View translation service details
Translate PDF and Word files while preserving their layout
After translating and editing PDF, Word, Excel, PowerPoint, and other files, you can download the translated documents while keeping the original layout. This reduces the time spent adjusting layouts and helps you complete documents faster.


File Formats
Supports Microsoft Office files (Word, Excel, and PowerPoint), as well as PDF, CSV, HTML, HTM, XML, and TXT.

Word

Excel

PowerPoint


CSV

HTML

TXT

XML
For Translation Management Systems (TMS)
You can import and export translation memories and glossaries for use with translation management systems (TMS). This feature is available to Translation managers on the Company plan.

TMX

TBX

CSV
Use multiple translation engines on one screen
Yaraku Translate includes generative AI such as ChatGPT and Claude as translation engines. After entering a prompt and translating, you can edit the results directly in Yaraku Translate.
It also comes with machine translation engines such as Google Translate, so you can choose the right engine for each use case.


Translation Engines
Various machine-translation engines and LLMs are available.
Basic Engine

The Yaraku engine is a generative AI-based translation engine developed by Yaraku. It supports 36 languages and helps streamline translation workflows with natural, high-quality translations that take context into account.
The engine excels at interpreting context and differences in meaning to produce high-quality translations. It also handles polite language with a high degree of accuracy. Even for business documents and other content that requires a formal tone, it can generate translations that follow the style specified in your prompt.
Context-handling score comparison
In context-handling evaluation, among available engines, #1 overall, and in style-specification evaluation, #2 overall . Reference:Generative-AI Yaraku Engine
Premium Engines

Google Translate is a machine translation engine developed by Google. It supports all 36 languages and delivers world-class translation quality and speed.

Microsoft Translator is a machine translation engine developed by Microsoft. It supports all listed languages except Sinhala and Tagalog.

Papago is a machine translation engine developed by South Korea’s NAVER. On Yaraku Translate, Papago supports Japanese, English, Korean, Chinese (Simplified and Traditional), Vietnamese, Thai, Indonesian, French, Spanish, Russian, German, and Italian.

ChatGPT is a large language model (LLM) developed by OpenAI. Its conversational interface allows you to improve translation accuracy and tailor translations to different use cases by refining your prompts.

Claude 4.5 Sonnet is a large language model (LLM) developed by Anthropic. It is generally said to produce more fluent Japanese than other LLMs. *The Claude model integrated into Yaraku Translate is provided through Amazon Bedrock.

Gemini is a large language model (LLM) developed by Google DeepMind. It is said to offer deeper understanding than other major generative AI engines, enabling translations that take context into account.
Optional Engine






This paid option is available exclusively on the Company plan.
Kawamura NMT is a machine translation engine developed by the National Institute of Information and Communications Technology (NICT). You can choose from six specialized fields: General, Patent, Legal Documents, Finance (IR/Disclosure), Financial Services, and Science. (Provided by Kawamura International Co., Ltd.)
| Category | Languages supported | |
|---|---|---|
|
General
|
Japanese ⇔ | English, Chinese (Simplified/Traditional), Korean, German, French, Spanish, Portuguese, Vietnamese, Indonesian, Thai, Myanmar, Arabic, Italian, Russian, Mongolian, Nepali, Hindi, Ukrainian, Tagalog (Filipino), Khmer |
| English ⇔ | Japanese, Chinese (Simplified/Traditional), Korean, German, French, Spanish, Portuguese, Vietnamese, Indonesian, Thai, Myanmar, Russian, Italian, Arabic, Mongolian, Nepali, Hindi, Ukrainian, Tagalog (Filipino), Khmer | |
|
Patent
|
Japanese ⇔ | English, Chinese (Simplified/Traditional), Korean, German, French |
| English ⇔ | Chinese (Simplified/Traditional), German, French | |
|
Legal Documents
|
Japanese ⇔ | English |
|
Finance (IR/Disclosure) / Financial Services
|
Japanese ⇔ | English |
|
Science
|
Japanese ⇔ | English |

DeepL is a machine translation engine developed by DeepL, a German company. To use it with Yaraku Translate, you must have a direct subscription to the DeepL Pro Team or Business plan and add the key issued by DeepL to Yaraku Translate.
Translation API and translation engine integration for developers
By integrating the Yaraku Translate API, you can automate translation workflows for your website or internal systems. This is a paid option.
For details on the API’s features, specifications, and pricing, see the following document.
Your systems / services
Systems / services
- Multilingual websites and CMS
- In-house groupware
- In-house services and apps
API
in Yaraku Translate
Machine translation
Use cases
Operate multilingual websites
Connect with your CMS to automatically publish articles and product information in multiple languages
Integrate translation into multilingual services
Seamlessly add translation features to apps and web services
Localize internal groupware
Automatically translate notifications and documents from internal tools into other languages
Centrally manage translation activity with a company account
Yaraku Translate has a Company plan that supports multiple users.
Documents and terminology are shared with the team, making translation work more efficient and secure.
Translate and edit images
Translate text within images and export the result as an image that preserves the original layout. Available as a free option with Company and Enterprise plans only.
Translate text within images
Automatically detect and translate text in images embedded in PowerPoint and PDF files.
Edit translations freely
Edit the translated text within images to suit your needs.
Export while preserving the layout
Download translated images while preserving the original design and text placement.
Yaraku Translate for Slack
Yaraku Translate for Slack lets you translate messages between Japanese and English directly in Slack. Since you can translate without leaving Slack, communication with team members who use different languages becomes smoother. (Paid option)
Translate messages instantly in Slack
- Show translations to everyone in the channel
- View translations privately
- No copying, pasting, or switching between tools
- Join conversations regardless of language proficiency
- Translate messages in a secure environment

Cloud storage integration (Yaraku Translate for Box)
With Yaraku Translate for Box, you can translate files simply by uploading them to Box, without opening a translation tool. (Paid option; generative AI engines are not supported.)
Translate files through Box integration
- Start translation automatically by uploading files to Box
- Automatically generate translated files
- Translate multiple files at once
- No complex operations required
- Manage files in a secure environment

How it works: lower costs and faster translation
Yaraku Translate delivers high-quality translations and effortless post-editing, significantly reducing the workload for checks and reviews.
As a result, translations can be completed faster and translation costs can be significantly reduced.
* Reference: AI translation workspace saves up to 700 person-months of translation work
Frequently asked questions about Yaraku Translate
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