Game Localization · English Language Pairs
English to Japanese Game Localization
Native Japanese translators. Cultural accuracy. LocQA included. Get a free quote →
Japan has the highest average revenue per paying user (ARPPU) of any gaming market in the world. Japanese players are also among the most demanding when it comes to localization quality — literal translation, awkward honorifics, or Western idioms that don’t land are immediately visible. English to Japanese game localization requires native literary skill, not just translation accuracy.
Text Expansion & Technical Considerations
Japanese text contracts significantly versus English (20–40% shorter on screen due to kanji density) — but script file size and character count per line require careful UI adaptation. Multi-byte character handling must be validated technically before launch.
Why Japanese Game Localization Requires Specialists
- Keigo (honorific speech levels) must match character personality and social position consistently throughout the game
- Japanese gaming culture has specific genre conventions — RPG dialog, gacha game UI, and visual novel narration each have established register expectations
- Technical requirements include full-width character support, multi-byte string handling, and vertical text for certain genres
- Japanese App Store metadata and marketing copy have distinct conventions that differ from EN originals
What We Localize for Japanese Markets
- Game UI & Menus
- Dialog & Narrative Text
- Subtitles (SRT/VTT)
- Marketing Copy & App Store Listings
- LocQA
SandVox’s Japanese Track Record
SandVox provides English to Japanese game localization with native literary translators experienced in RPG, narrative, and casual gaming genres.
Frequently Asked Questions
What makes Japanese game localization technically complex?
Multi-byte character encoding (UTF-8 with CJK ranges), full-width vs. half-width character handling, vertical text support in certain genres, and font rendering differences all require technical validation beyond the translation itself. Our LocQA process catches these before release.
How do you handle Japanese honorific levels (keigo) for game characters?
We establish a character speech profile at the start of the project — each character’s social position, personality, and relationship to the player determines their register. This profile is used throughout translation and enforced in review.
Do you support Japanese voice-over localization?
We can advise on Japanese voice localization requirements and provide support in coordinating with Japanese voice talent agencies. Full Japanese voice casting and direction is handled by our specialist partners.
How long does English to Japanese game localization take?
Japanese requires more time than European language localization due to script adaptation requirements. UI content: 7–14 business days. Full narrative: 6–10 weeks. We plan timelines per project based on scope.
Start Your English to Japanese Localization
Tell us about your project — word count, timeline, and target markets — and we’ll send a quote within one business day.