More Than a
Learning Site
A personal journey that grew into a mission to make Japanese learning accessible to independent learners worldwide.
Hello, everyone!
I am Septian Ganendra S. K. (sepTN).
I have run Jepang.org since late 2016. Behind thousands of grammar and kanji articles here, my main profession is software engineering.
I apply that engineering mindset to every lesson: systematic, logical, and unambiguous. Each explanation is designed to be easy to follow with clear structure.
Outside education, I contribute to open source, including code for the Godot Engine. My technical trail lives on GitHub .
Before diving into code, I was a language learner like you. More than 10 years of study—from self-learning to JLPT certification—shapes the curriculum here.
Technology x Language
Jepang.org was born from combining these two passions. The platform is built for fast access and logically structured lessons.
Credential Summary
- Learning experience: actively studying Japanese for more than 10 years.
- Certification: JLPT, documented in the official archive of the Consulate General of Japan in Surabaya (November 2014).
- Teaching experience: Jepang.org materials managed and updated since 2016.
- Content method: systematic learning order, contextual examples, and regular updates.
Consulate General of Japan, Surabaya
With Mr. Noboru Nomura (Consul General)
This moment is documented in the official archive Berita dari Konjen [November 2014].
View Official Archive (.go.jp)Open Source Contributions
We build free public tools to strengthen the Japanese learning technology ecosystem.
kanji-data
Lightweight offline kanji database for Node.js with lazy-load sharding.
kanji-png
NPM package for programmatic kanji image generation and UI automation.
kotowaza
Japanese proverb JSON dataset with Indonesian and English translations plus JLPT metadata.
Manga Colorizer GUI
Desktop app for offline manga colorization and cleanup using AI.
Proof that consistency pays off.
A Turning Point in 2014
My learning path was not instant. Like you, I started with Hiragana, Katakana, to Kanji. The most memorable moment came in 2014.
I was honored to be invited to the Consulate General of Japan in Surabaya. The photos above are not just archives—they remind us that dedication to a foreign language is recognized and valued.
Ganbatte Kudasai!
Editorial Standards & Correction Policy
Details on how we prepare materials, handle corrections, and set response targets live on a dedicated page so this overview stays concise.
Read Editorial StandardsContact Us
For important questions about content or site operations, reach the operator directly.
Operational information, response hours, and contact policy details are on the Contact Us page.
Contact OperatorKanji stroke-order visuals are based on data from KanjiVG under the CC BY-SA 3.0 license.
Our Digital Ecosystem
From JLPT materials to the latest news, we are present across multiple platforms.
Jepang.org
Language learning hub. JLPT N5–N1 materials, kanji, and self-study guides.
You are hereKanji.Jepang.org
Interactive kanji dictionary for meanings, readings, vocabulary, sentences, and JLPT paths.
Visit SiteBerita.Jepang.org
Curated news on politics, economy, technology, and society from Tokyo.
Visit SiteAnime.Jepang.org
Today’s Japanese anime schedule (WIB) and a comprehensive anime database.
Visit SiteSentou Gakuen
An online visual novel project built with the Godot Engine.
Play (Global)