iyaku Japanese Reader version history - 25 versions
iyaku Japanese Reader by max
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 0.1.0
Released Sep 29, 2026 - 52.1 MBWorks with firefox 140.0 and later, android 142.0 and laterIyaku Japanese Reader — what's new in version 0.1.0
Everything works without an account. Signing in is optional: it keeps your saved items and settings in sync with iyaku.org and your other devices.
Reading
- Works in Google Docs and in online editors such as Superhuman Docs (Coda) and Notion. Hover Japanese text as you would on any page; your document is never changed.
- Tap to read on phones and tablets: tap a word to open its sentence, and tap outside to close it.
- More accurate grammar highlighting.
- Long sentences display properly in the popup, including in Firefox.
- Smaller, easier-to-read grammar cards.
Saving and studying
- "Study this" on any kanji opens a writing practice card on iyaku.org.
- New right-click menu: "Send to Iyaku Notebook" turns a selection or a whole page into a note.
- Saved sentences remember which page they came from.
With an account (optional)
- Saved words, sentences and kanji sync with your decks on iyaku.org, even after being offline. Deleting something on iyaku.org removes it here too.
- Reader settings sync with iyaku.org.
- Pages you read show up on your iyaku.org Today page.
- Sign in with Google or with an email link.
- Iyaku Plus members get natural voices and better translations.
Look and feel
- New taiyaki icon and a redesigned popup. The popup shows your study streak, today's reviews and quick links to iyaku.org.
- Dark mode for the popup and settings page.Source code released under MIT License
Older versions
Version 0.0.35
Released Jul 1, 2026 - 51.63 MBWorks with firefox 115.0 and later, android 120.0 and laterImprove toIPA for more authentic spoken JapaneseSource code released under MIT License
Version 0.0.34
Released Jun 30, 2026 - 51.63 MBWorks with firefox 115.0 and later, android 120.0 and laterFixed toRomajiSource code released under MIT License
Version 0.0.33
Released Jun 30, 2026 - 51.63 MBWorks with firefox 115.0 and later, android 120.0 and laterAllows pages to call IyakuReader.toRomaji/toKana to use the reader extensions morpheme engineSource code released under MIT License
Version 0.0.32
Released Jun 18, 2026 - 51.62 MBWorks with firefox 115.0 and later, android 120.0 and latern2/n1 grammar rules addedSource code released under MIT License
Version 0.0.30
Released Jun 18, 2026 - 51.56 MBWorks with firefox 115.0 and later, android 120.0 and laterImproves usability of the popup tooltipSource code released under MIT License
Version 0.0.29
Released Jun 17, 2026 - 51.58 MBWorks with firefox 115.0 and later, android 120.0 and laterFIxes login on Android FirefoxSource code released under MIT License
Version 0.0.28
Released Jun 16, 2026 - 51.58 MBWorks with firefox 115.0 and later, android 120.0 and laterYou can sign in sync saved items across devices.Source code released under MIT License
Version 0.0.27
Released Jun 13, 2026 - 51.12 MBWorks with firefox 115.0 and later, android 120.0 and laterNow uses shadow dom to annotate the page so real time updating text won't get mangledSource code released under MIT License
Version 0.0.26
Released Jun 9, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterFixed a bugSource code released under MIT License
Version 0.0.25
Released Jun 9, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterAdding error loggingSource code released under MIT License
Version 0.0.24
Released Jun 9, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterSource code released under MIT License
Version 0.0.23
Released Jun 8, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterFix some style issuesSource code released under MIT License
Version 0.0.22
Released Jun 8, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterYou can now save words and sentences to review laterSource code released under MIT License
Version 0.0.21
Released Jun 5, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterCan now highlight all grammar by level or all instances of a particular rule on a pageSource code released under MIT License
Version 0.0.20
Released Jun 3, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterNow shows ambiguous readings in blueSource code released under MIT License
Version 0.0.19
Released Jun 2, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterFixed bug with touch eventsSource code released under MIT License
Version 0.0.18
Released Jun 2, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterImproved initial app load timeSource code released under MIT License
Version 0.0.17
Released Jun 1, 2026 - 51.11 MBWorks with firefox 115.0 and later, android 120.0 and laterSupport for detecting words on Google Docs (if Tools > Accessibility settings are enabled on Google Docs)Source code released under MIT License
Version 0.0.16
Released Jun 1, 2026 - 50.98 MBWorks with firefox 115.0 and later, android 120.0 and laterRemoved console.log statements polluting devtools consoleSource code released under MIT License
Version 0.0.15
Released Jun 1, 2026 - 50.98 MBWorks with firefox 115.0 and later, android 120.0 and laterImproved performance of dictionary lookupsSource code released under MIT License
Version 0.0.14
Released May 30, 2026 - 50.04 MBWorks with firefox 115.0 and later, android 120.0 and laterCleaner layout by grouping matching grammar and dictionary entries into a single tab in the inspect popupSource code released under MIT License
Version 0.0.13
Released May 30, 2026 - 50.04 MBWorks with firefox 115.0 and later, android 120.0 and laterFixed bug to show correct definition for words with multiple readingsSource code released under MIT License
Version 0.0.12
Released May 30, 2026 - 47.75 MBWorks with firefox 115.0 and later, android 120.0 and laterFIxes a bug where the tooltip wasn't hiding correctlySource code released under MIT License
Version 0.0.11
Released May 30, 2026 - 47.75 MBWorks with firefox 115.0 and later, android 120.0 and laterNow shows multiple readings if there are multiple valid options in the dictionarySource code released under MIT License