10ten Japanese Reader (Rikaichamp)

Description

Quickly look up Japanese words on any text page by activating the add-on from the toolbar (you may need to use the Extensions menu to pin the icon to the toolbar) or pressing Alt+R.

Press 'Shift' or 'Enter' to view kanji or name information or 'c' to enter copy mode. Other keys and options can be configured from the options page.

Features:

• Pitch accent information
• Support for non-English dictionaries
• Dictionaries that update automatically every week by fetching just the updated entries
• Overhauled dictionary entry display to make it easier to read
• Automatic translation of Japanese-era years into Gregorian years (e.g. 昭和５６年、令和元年、平成三十一年)
• Automatic translation between 畳/帖 measurements and square meters (e.g. 四畳半、12.6 帖、25 平米 etc.)
• Recognition of more grammatical forms (e.g. vs-c verbs like 兼した, irregular verbs like いらっしゃいます, continuous forms like 食べてた, ん as a negative form like 分からん, 知らん, words with ー like じーちゃん, 頑張ろー, そーゆー, ぬ verbs, とく・どく forms, causative passive, させる for verbs ending in す e.g. 起こさせる)
• Automatic preview of name entries when there is a better match in the name dictionary
• Handling of a wide range of characters including ㋕, ㌀, ㋿, ????沢, ８月, Ｂ級グルメ, オーサカ
• Localized into Japanese (so you can study Japanese while you study Japanese!) and Simplified Chinese
• Prioritization of common matches
• Support for displaying romaji
• Copy feature that allows selecting which entry and in what format to copy to the clipboard
• Support for vertical text and SVG text
• Minimal memory usage
• Kanji data for Kanji kentei, Conning references, educational levels, reworked kanji components etc.

Version 1.2.2 includes
• Made popups for iframes be shown in the topmost window
• Fixed flickering on links that use transitions
• Fixed a regression when looking up the first character in a text box

Version 1.2.1 includes
• Better handling of text in text boxes (form fields etc.)

Version 1.2.0 includes
• Option to display tabs on the sides or hide them altogether
• Option to change the toolbar icon to a 天 character instead
• Made katakana name matches show up in the name preview

Version 1.1.3 includes
• New name: 10ten Japanese Reader
• New default theme (switches between light/dark based on system dark-mode setting)
• Tabs for showing different dictionary results and made them interactive on touch screen devices
• Automatic translation of 畳/帖 and square measurements such as 四畳半, 6.5 帖, 10㎡, or 十二平米
• Option to show only kanji entries by holding Shift.
• Shortcut key to toggle the extension on and off is no longer be synchronized so that the full range of modified keys can be used and so that extensions keys configured via the browser UI interoperate with the extension UI better
• Popup shows up less eagerly when the hold-to-show key(s) is/are pressed and a text box is focused since it can interfere with copying and pasting.
• Optimized searching for variants of 長音 (ー) and 旧字体 to perform fewer lookups while considering all 長音 variations for name entries
• Additional key that can be configured to switch dictionaries, n, since Shift can be unavailable when Firefox's resist fingerprinting mode is enabled
• Notification that incomplete results are shown when the dictionary data is being updated
• Hint indicating the keys that can be used to switch dictionaries

Version 0.5.7 includes
• Recognition of covered-up text as used on asahi.com and nikkei.com
• Fixes to handling of text in text boxes (previously the first character could not be recognized)

Version 0.5.10 includes
• Performance improvements when looking up words