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10ten Japanese Reader (Rikaichamp) icon

10ten Japanese Reader (Rikaichamp) Chrome Extension Analysis

AI & Writing Assistants

Chrome extension ID: pnmaklegiibbioifkmfkgpfnmdehdfan

A productivity extension for Japanese learners that enables quick word and kanji lookups on any webpage. It features automatic dictionary updates and supports complex web content like Google Docs and YouTube subtitles.

Developer:Birchill
Version:1.28.0
Size:17.44MiB
Last updated:
View developer profile
External:Chrome Web Store

Overview

Installs

30K+

Rating

★ 4.7

102 reviews

Languages

3 locales

Includes English, 中文（中国）, 日本語

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

AI & Writing Assistants

Pricing friction

Low review signal

Complaint intensity

Moderate review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

The product positions itself as a comprehensive Japanese reading assistant that provides instant translations via hover actions. It emphasizes deep linguistic features like pitch accent, grammatical recognition, and specialized unit/date conversions.

Inferred product pattern

A high-utility, feature-dense language learning tool that provides deep linguistic context via a popup overlay, currently facing some stability and UI usability challenges.

Review-backed pain points

Users report the extension failing to activate or requiring manual toggles/reinstalls. Some encounter issues using it within Google Docs or finding the popup window difficult to navigate/scroll.

Observed feature gaps

Lack of a monolingual dictionary option and limited customization for popup text contrast and readability.

Tags
Japanese TranslationLanguage LearningKanji DictionaryPopup Reader
Target users

- Japanese language learners

- Students

- Japanese web content consumers

Primary use cases

- Hover-to-translate Japanese text

- Learning kanji stroke order

- Checking Japanese pitch accent

- Converting Japanese dates and currency

Positive themes

- Valuable pitch accent information

- Helpful kanji stroke order details

- Fast and responsive lookup

- Comprehensive content breadth

Negative themes

- Unreliable activation and bugs

- Poor popup usability and scrolling

- Difficulty reading thin/light text

- Incompatibility with Google Docs

Observed friction

- Performance complaints detected

- No pricing friction observed; users note the tool is provided for free.

Evidence boundary: Analysis based on the Chrome Web Store listing and user reviews. Review data is limited to a sample size of 99 comments; specific technical bugs may be browser-dependent.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No specific support complaints found, though users expressed desire for bug fixes.

Reliability

Users report intermittent failures where the extension fails to trigger or work in specific environments like Google Docs.

Privacy

No privacy complaints observed.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 5

- Videos: 0

- Languages: 3

Trust signals

- Privacy policy

- Developer contact

Store metadata

- Version: 1.28.0

- Size: 17.44MiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

Japanese translation extensionKanji dictionary ChromeJapanese pitch accent toolJapanese popup dictionaryJapanese reading assistant

Comparison

YomichanRikaichan

Problem

Japanese translation errorKanji lookup not workingJapanese dictionary bug

Alternative

YomichanRikaichanJapanese learning tools

Similar extensions

Jump to related discovery paths:

More in educationMore from this developer

Screenshots

10ten Japanese Reader (Rikaichamp) screenshot
10ten Japanese Reader (Rikaichamp) screenshot
10ten Japanese Reader (Rikaichamp) screenshot
10ten Japanese Reader (Rikaichamp) screenshot
10ten Japanese Reader (Rikaichamp) screenshot

Links

Privacy policy: https://10ten.life/reader/privacy.html

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