Fujiten

Fujiten is an offline Japanese dictionary app built with the Flutter framework.
It provides fast and reliable access to Japanese definitions and kanji information, all available offline.

Dictionary data is sourced from the EDICT project, compiled as a database via the edict_database repository.

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Or download the latest APK from the Releases Section.

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Screenshots

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Setup

Fujiten requires two databases to function properly:

• Expression Database
• Kanji Database

You can download and install these databases directly from Fujiten via Settings → Databases,
or manually from the edict_database repository.

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Top Menu

Bars

Opens the Settings menu, where you can:

• Download or update dictionaries
• Adjust brightness
• Read legal information

Insert

Icon	Function	Description
<>	Radicals	Finds kanji containing selected radicals
Ⓚ	Kanji	Matches any kanji character
㋐	Kana	Matches any hiragana or katakana character
.*	Wildcard	Matches any sequence (regular expression syntax)

Convert

If your device lacks a Japanese input keyboard, Fujiten can convert romaji (Latin characters) to kana:

• Lowercase → Hiragana
• Uppercase → Katakana

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Kotoba / Kanji Search

Switch between:

• Kotoba → Search for expressions or words
• Kanji → Search for kanji

Buttons

• Clear → Erases the input field
• Search → Executes the search query

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Tips

• Searches support regular expressions — use quantifiers ({}), wildcards (.), and other regex syntax.
• Use radical search (<>) when you don’t know the full kanji but recognize its components, e.g. ＜化＞.
• If no results appear, try adding .* at the beginning or end of your search term.

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Command Line

flutter run --dart-define=FFI=true

Platforms

When the dart flag FFI is true, sqflite_common_ffi will be used otherwise the sqflite package will be used

• Using command line:

flutter run --dart-define=FFI=true

Desktop build must use FFI. The libsqlite3.so must be installed on the host.

• Android studio configuration:

<component name="ProjectRunConfigurationManager">
<configuration default="false" name="ffi" type="FlutterRunConfigurationType" factoryName="Flutter">
<option name="additionalArgs" value="--dart-define=FFI=true" />
<option name="filePath" value="$PROJECT_DIR$/lib/main.dart" />
<method v="2" />
</configuration>
</component>

Regexp support

Some build of sqlite do not include the regexp extension, in this case matches must be made using the GLOB operator.

releases

Releases are built with:

• Github release:

flutter build apk --split-per-abi --dart-define=FFI=false
flutter build linux --dart-define=FFI=true --release

• Google play store:

flutter build appbundle --dart-define=FFI=false