Read what you want.
Learn what you encounter.
Paste any Japanese text or import from a URL. Read with instant furigana, tap words for Jisho lookup, and build a personal SRS deck from vocabulary in real content.
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Level
23
N4
Reading simple everyday texts
85% through N4 band
45
New
28
Learning
17
Familiar
22
Mastered
6
Burned
Not a fixed curriculum — your coverage of real JLPT vocabulary
How it works
Three steps. No lesson plans, no premade decks. Just reading.
Add any content
Paste Japanese text directly, or drop in a URL from NHK, Asahi, Yahoo News — anywhere. Readability strips the clutter. Kuromoji tokenizes every word server-side in seconds.
Works with articles, lyrics, novel excerpts, subtitles, anything.
Read with full furigana
Every kanji gets its reading shown above it. Tap any word to open the Jisho dictionary — meaning, reading, JLPT level, common-word flag. Long-press a sentence for an instant translation.
Hide furigana for words you know. Full control.
Review and retain
Words you save go into a personal SRS deck. SM-2 schedules each card to reappear right before you'd forget it. Your context sentence travels with the card — no decontextualized drilling.
Daily review queue. Streak tracking. JLPT coverage metrics.
Native immersion, instantly.
Tap any word, anywhere in the text. No copy-pasting into a dictionary.
日本語を学ぶのに一番いい方法は、本物の文章を読むことです。
電車の中で読んだ記事から、知らなかった単語に出会えた。
単語
たんご
- word; vocabulary
- a single word; individual word
Context-aware reviews.
Cards use the sentence you first saw the word in. Context, not isolation.
Card front
毎日花見をするのは難しいですが、春になると特別な気持ちがします。
↑ sentence from your reading · word highlighted
What does the highlighted word mean?
Card back
花見
はなみ
cherry blossom viewing; flower-viewing picnic
"It is difficult to go flower-viewing every day, but when spring arrives, it feels special."
Everything you need
Built for serious learners. Nothing you don't need.
Furigana everywhere
Automatic readings above every kanji, powered by Kuromoji. Toggle off for known words as you advance.
Jisho built-in
Full dictionary lookup without leaving the reader. Meanings, readings, JLPT level, common-word flag.
Kanji grid
Visual map of every kanji you've encountered, colored by JLPT level. Tap any cell for on/kun readings.
SM-2 spaced repetition
Industry-standard algorithm. Again / Hard / Good / Easy grades. Cards surface right before you'd forget.
JLPT coverage
See what percentage of N5–N1 vocabulary you know — from your reading, not a fixed curriculum.
Monthly Wrapped
Shareable recap every month: level progress, characters read, top word, streak. Screenshot and share.
Import anything
Paste text, paste a URL, or OCR a photo. Mozilla Readability strips ads and navigation clutter.
Public profile
Optional shareable stats page. Show your reading level, streak, and achievements — no account needed to view.
Built differently
Every design decision starts with one question: does this make your reading ability better?
Real content, not fake sentences
vs. app-controlled curriculaMost apps put you through premade lessons with simplified, artificial sentences. Dekigo works with any article, song, book, or subtitle file you bring to it. Your Japanese practice is determined by what you want to read — not what someone else decided you should learn.
Your vocabulary, not their word list
vs. fixed word listsWaniKani tells you what to learn next. Bunpro has its own grammar list. Dekigo shows you JLPT coverage of words you actually encountered in real reading — words that are meaningful because you saw them in context, not because they were on a spreadsheet.
Integrated, not bolted on
vs. manual card creationAnki is powerful. Manually creating cards is slow and breaks reading flow. Every word you look up in Dekigo becomes a card in one tap, with the sentence you read it in already saved as context. No copy-paste, no separate app, no friction.
Popular reading sources
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Web · iOS · Android