Pinyin Web & EPUB
4.8star
243 reviews
Everyone
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10K+
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About this app
This browser app adds Pinyin romanisation to any Chinese website or EPUB, but some work better than others. Tested on, but not affiliated to, JW.ORG and the Watchtower Online Library (WOL) Chinese pages (app was formerly called PinyinWol i.e. Pinyin WOL). Annotation is performed by your device itself: this app does not send your browsing through any third party. Access to the site you wish to browse is required.
Features:
* Poor data connection? Page rarely needs to reload when switching back to the app.
* Offline? Use the clipboard viewer, or use the app as a Share target or EPUB viewer.
* Pleco or Hanping integration
* 3lines mode (if you must)
* Bookmarks (shared with our other apps)
* Highlighting and PDF export
* Change text size across all pages
* Dark mode available on Android 10+
* Audio available on Android 5+
* No ads, small size & open-source framework (parts of which are also used by Equipd, JW Chinese and AnnotatedWol)
Features:
* Poor data connection? Page rarely needs to reload when switching back to the app.
* Offline? Use the clipboard viewer, or use the app as a Share target or EPUB viewer.
* Pleco or Hanping integration
* 3lines mode (if you must)
* Bookmarks (shared with our other apps)
* Highlighting and PDF export
* Change text size across all pages
* Dark mode available on Android 10+
* Audio available on Android 5+
* No ads, small size & open-source framework (parts of which are also used by Equipd, JW Chinese and AnnotatedWol)
Updated on
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Ratings and reviews
4.9
184 reviews
Luca Christina
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November 28, 2025
I love this app so much. it's so helpful for learning Chinese. It would be nice if you could customise the known words or have them correlate to the hsk levels so you could pick and choose at what level words you want the Pinyin for. also if it had an option to keep the epub open and remember the page would be super helpful
Silas S. Brown
December 21, 2025
Thanks. I didn't do HSK but it should be similar if you multiply the HSK level by 300 and change "annotate all" to leave that number known (300, 600, 900) I could probably extend it to 2000 if that would be useful. Full custom's tricky (how would the editor work?) EPUB's supposed to stay open, not sure why it didn't. You can bookmark if it's saved.
Hillary Huen
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December 21, 2025
I use it everyday. A straightforward and useful app.
A Google user
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January 18, 2020
Was working fine but now when I open a EPUB all the text starts disappearing slowly Edit: Thank you for responding. Yes I have android 10. It was working fine on this same device. It was in December that is started doing that
3 people found this review helpful
Silas S. Brown
January 20, 2020
Fixed in version 2.11.15 😊 it affected only Android 10, and XML-based EPUB files; it was due to Android 10 adding an extra validation check to XML that Android 9 didn't care about, meaning we had to change how one of our entity-values was written. Without this change, the annotator was crashing on 1st bit, retrying in 1 second, crashing on 2nd...
What’s new
Updated annotator
