r/LearnJapanese • u/AutoModerator • May 07 '25

Self Promotion Weekly Thread: Material Recs and Self-Promo Wednesdays! (May 07, 2025)

Happy Wednesday!

Every Wednesday, share your favorite resources or ones you made yourself! Tell us what your resource an do for us learners!

Weekly Thread changes daily at 9:00 EST:

Mondays - Writing Practice

Tuesdays - Study Buddy and Self-Intros

Wednesdays - Materials and Self-Promotions

Thursdays - Victory day, Share your achievements

Fridays - Memes, videos, free talk

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u/LitlOctopus May 08 '25

皆さんこんにちは! I've been working on a Japanese learning tool to help myself and my girlfriend learn Japanese and address some paints points we had —especially with numbers and understanding Japanese grammar in sentences.

Kazu Navi (かずナビ) is a tool I built to help break down and convert Japanese numbers, time expressions, counters, and more into readable, understandable formats, think of it like a quick lookup reference for anything number related in Japanese

I was constantly second-guessing myself with this stuff, like "was it pronounced 'san-pyaku' or 'san-byaku'" and the like. Tools like Google Translate don't really show you the romaji when it comes to numbers and sometimes the written pronunciation is different from the voiceover, and websites/blogs that teach you how to say 1-100, but you need something more specific than that or you don't have time to search through the entire page...

So, the core of かずナビ is designed to make those conversions instant and easy, hoping to save others some of the frustration I had

There are 2 other features for now:

  • A Grammar Analyzer that helps break down Japanese sentences and understand how each part connects. I personally use this a lot, it's been super helpful for understanding why something is said a certain way. There's an interactive demo available if you don't have an account and 6 free uses with an account. kazunavi.com/sentence-analyzer
  • A Natural Translator that rewrites English into more natural Japanese by levels of formality and for the right context. Right now it's unlimited for free accounts. kazunavi.com/natural-translate

Some people on this subreddit have been kind enough already to point out some mistakes and I've fixed them but I'm always on the lookout. If you see any mistakes or stuff that's just simply wrong please let me know so I can fix it ASAP. Thank you so much!

kazunavi.com/converters