MandarinSpot Annotations by MandarinSpot
Mouseover Chinese dictionary with Pinyin and English definitions (offline)
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About this extension
MandarinSpot Pop-up Annotations
Mouse over any Chinese text on any webpage to instantly see Pinyin romanization and English definitions. No internet required — the entire dictionary is bundled offline with the extension.
Features:
- Instant lookups — Hover over any Chinese character or word to see its definition immediately
- Smart segmentation — Recognizes multi-character words for accurate results
- Pinyin + definitions — Clear romanized pronunciation and multiple English translations per entry
- Works everywhere — Active on all websites; just mouse over Chinese text
- Fully offline — No network requests; loads the pre-compiled CEDICT dictionary locally
- Auto light/dark theme — Popup adapts to the background brightness of the text you're reading
How it works:
Simply move your cursor over any Chinese text. The extension will detect word boundaries, look up the term in its offline dictionary, and display a popup with Pinyin pronunciation and English definitions. Works on any webpage, even while offline.
Dictionary:
Powered by the CC-BY-SA licensed CEDICT dictionary, pre-compiled for fast lookups with intelligent word segmentation.
Mouse over any Chinese text on any webpage to instantly see Pinyin romanization and English definitions. No internet required — the entire dictionary is bundled offline with the extension.
Features:
- Instant lookups — Hover over any Chinese character or word to see its definition immediately
- Smart segmentation — Recognizes multi-character words for accurate results
- Pinyin + definitions — Clear romanized pronunciation and multiple English translations per entry
- Works everywhere — Active on all websites; just mouse over Chinese text
- Fully offline — No network requests; loads the pre-compiled CEDICT dictionary locally
- Auto light/dark theme — Popup adapts to the background brightness of the text you're reading
How it works:
Simply move your cursor over any Chinese text. The extension will detect word boundaries, look up the term in its offline dictionary, and display a popup with Pinyin pronunciation and English definitions. Works on any webpage, even while offline.
Dictionary:
Powered by the CC-BY-SA licensed CEDICT dictionary, pre-compiled for fast lookups with intelligent word segmentation.
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Permissions and data
Required permissions:
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.1.9
- Size
- 5.07 MB
- Last updated
- 24 days ago (Apr 13, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
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