Translating Product Listings for Amazon Japan, Rakuten and Japanese Online Stores
To sell on Amazon Japan, Rakuten or your own Japanese online store, your product listings need more than a word-for-word translation. Japanese shoppers expect detailed specifications, careful descriptions, local units and sizes, tax-inclusive prices and a polite, reassuring tone, and they search with different keywords from English speakers. The most effective approach is to localise each listing: research the Japanese search terms, rewrite the title and bullet points for Japanese buyers, and have a native speaker check everything before it goes live. Here is what to get right.
Why direct translation doesn’t sell
- Different keywords. Japanese shoppers might search in katakana, kanji or English, and often use a different word from the literal translation. A listing that misses the right terms simply isn’t found.
- Different expectations of detail. Japanese listings are typically longer and more precise: materials, exact dimensions, weight, care instructions, what is in the box, country of manufacture.
- Different tone. Bold claims and hype that work in English can feel pushy or untrustworthy in Japanese. Reassurance and precision persuade better. See marketing to Japanese customers.
- Machine translation shows. Unnatural Japanese signals a foreign seller who may not provide good support, which hurts conversion and reviews.
What to localise in each listing
| Element | What to do |
|---|---|
| Title | Include the Japanese search terms buyers actually use, plus brand, product type and key specification, in the order Japanese listings usually follow. |
| Bullet points | Lead with concrete benefits and specifications, not slogans. Explain use cases clearly. |
| Description | Detailed and calm in tone. Answer the questions a careful buyer would ask before purchase. |
| Units and sizes | Centimetres, grams and millilitres. Japanese clothing and shoe sizes differ, so include a size chart in centimetres. |
| Prices | Consumer prices in Japan are shown including consumption tax. |
| Images | Text on images needs translating too. Japanese listings often use annotated images to show features and sizes. |
| Support and returns | Clear information on shipping times, returns and how to contact you, in Japanese. |
Claims and rules to be careful with
Japan has strict rules on how some products can be advertised, especially cosmetics, supplements, health products and anything making medical-sounding claims, and on exaggerated advertising in general. A phrase that is fine on an English listing can be a problem in Japanese. If you sell in these categories, have your claims checked by someone who knows the Japanese regulations before you translate them.
Reviews and customer messages
Japanese buyers read reviews closely and often ask questions before buying. Answering quickly and politely in natural Japanese builds trust and improves your ratings. Many sellers have reviews and messages translated regularly, or set up templates for common replies. See customer support for Japanese customers.
A practical process
- Start with your best sellers. Localise a handful of listings well rather than hundreds badly.
- Research Japanese keywords by looking at how competitors describe similar products and what terms appear in search suggestions.
- Prepare a glossary of your brand name, product names and technical terms, so everything stays consistent across listings, packaging and your website.
- Translate and adapt with a native Japanese writer, not just a translation tool.
- Review on the live page, including how it looks on a smartphone, where most Japanese shoppers browse.
- Measure and update. Watch search ranking, click-through and reviews, and adjust the wording.
Selling through your own site too? See how to build a website for Japanese customers, SEO for Japan and localising your product for Japan.