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KanjiLens

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Unlock Japanese by learning kanji directly from manga and novels through an immersive browser extension.

Language LearningFlashcards & Spaced RepetitionTranslationBrowser DevTools
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Tracked since2026
0 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

AI-powered kanji recognition

Biggest con

Japanese language specific

TL;DR - KanjiLens

  • Learn Japanese kanji directly from manga and novels.
  • Instant kanji lookup and one-click image translation.
  • Integrated Spaced Repetition System for long-term retention.
Pricing: Free plan available
Best for: Growing teams

What is KanjiLens?

Editorial review
KanjiLens is a browser extension designed to help Japanese learners master kanji through immersion. It allows users to read their favorite manga and novels online, providing instant kanji lookup by hovering over any character to see its reading and meaning. This eliminates the need to break reading flow for dictionary lookups. The tool also features one-click image translation, utilizing OCR technology to seamlessly translate text within manga panels and other images, making raw Japanese content more accessible. An integrated Spaced Repetition System (SRS) allows users to save new words to personalized flashcard decks, aiding long-term memory retention. Additional features include right-click scanning, custom mnemonics, and customizable settings, making it ideal for anyone looking to learn Japanese by engaging with native content.

Available on: Chrome

how we evaluateSourcekanjilens.com ↗

Pros & Cons

Pros

  • AI-powered kanji recognition
  • Learn Japanese characters visually
  • Camera-based character lookup
  • Educational tool for learners
  • Quick character identification

Cons

  • Japanese language specific
  • Recognition accuracy varies
  • Limited to kanji learning
  • May need good lighting/camera
  • Supplementary to full courses

Key Features

Japanese character recognitionCamera scanningDictionary lookupLearning aidOffline modeMobile app

Pricing Plans

Pricing checked Jul 24, 2026

Free

$0 / month

  • 10 Kanji Scans Actions Daily
  • 5 Translation Actions Daily
  • Spaced repetition reviews
  • Kanji In context reviews

Plus

$4.99 / month

  • 100 Kanji Scans Actions Daily
  • 100 Translation Actions Daily
  • Spaced repetition reviews
  • Kanji In context reviews
Calculate your costView full pricing

Is KanjiLens worth the price?

85/100

KanjiLens offers a fair and accessible pricing structure, especially with its generous Free tier.

The Plus tier at $4.99/month provides a significant increase in daily actions, making it a good value for dedicated learners. This pricing is best for individual Japanese language learners who want to integrate kanji study directly into their reading.

Hidden Costs & Gotchas

No annual discount mentioned for Plus tier

Daily action limits could be restrictive for heavy users

No team or institutional pricing available

How KanjiLens Compares to Competitors

Compared to similar browser extensions like Rikaikun (free) or paid dictionary apps (often $5-15 one-time or monthly), KanjiLens's $4.99/month Plus tier is competitive. While some tools offer unlimited lookups, KanjiLens uniquely focuses on in-context kanji learning and spaced repetition, justifying its subscription model for its specialized features.

How KanjiLens's pricing compares

At $4.99/mo, KanjiLens is the most affordable of its 3 direct competitors.

KanjiLens
$4.99
Weglot
$12.5
ChatGPT Translate
$20
Phrase
$27

Entry paid plan, monthly. Pricing checked Jul 24, 2026.

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Best KanjiLens Alternatives

Top alternatives based on features, pricing, and user needs.

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4.5
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ChatGPT TranslateFree

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4.4
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4.7
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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

KanjiLens vs PhraseHead-to-head: features, pricing, who winsKanjiLens vs ChatGPT TranslateHead-to-head: features, pricing, who winsKanjiLens vs WeglotHead-to-head: features, pricing, who wins

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KanjiLens FAQ

How does KanjiLens facilitate learning Japanese characters directly from online content?

KanjiLens is a browser extension that allows users to hover over any kanji in online manga or novels to instantly see its reading and meaning. This feature helps users learn new characters without interrupting their reading flow for dictionary lookups.

What kind of user benefits most from KanjiLens?

KanjiLens is ideal for Japanese language learners who want to master kanji by engaging with native content such as manga and novels. It supports an immersive learning approach by providing immediate character information and translation tools.

How does KanjiLens compare to ChatGPT Translate for language learning?

KanjiLens specifically focuses on immersive kanji learning from native Japanese content, offering features like hover-over lookups and an integrated Spaced Repetition System. ChatGPT Translate, while capable of translation, does not offer these specialized kanji learning and retention tools within a browser extension.

What are the main limitations of using KanjiLens?

KanjiLens is specific to the Japanese language and primarily focused on kanji learning, meaning it's supplementary to full language courses. Its recognition accuracy can vary, and for camera-based features, good lighting or camera quality may be necessary.

Does KanjiLens include a free tier?

Yes, KanjiLens is available on a free tier, allowing users to access basic functionalities. Paid plans are offered for those who require more extensive usage and additional features.

Can KanjiLens translate text found within images?

Yes, KanjiLens includes one-click image translation capabilities. It uses OCR technology to seamlessly translate text directly within manga panels and other images, making previously inaccessible content understandable.

How does KanjiLens help with long-term memory retention of new vocabulary?

KanjiLens features an integrated Spaced Repetition System (SRS). This system allows users to save newly encountered words to personalized flashcard decks, which aids in reinforcing memory and promoting long-term retention.

Source: kanjilens.com

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