About OSS-Dict
OSS‑Dict is a fast, privacy-friendly offline dictionary reader — a modern fork of Aard 2 with Material design and enhanced features for comfortable reading and lookup.
Highlights
* Blazing fast searches: punctuation, diacritics and case insensitive — find entries instantly.
* Bookmarks & history: save and revisit important articles quickly.
* Dictionary management: import, enable/disable and organize multiple dictionary files.
* Customizable article appearance: add your own CSS to change fonts, colors and layout.
* Beautiful math rendering: scalable, styleable formulas that look great on any screen.
* Random article for discovery, volume-button navigation, and fullscreen reading mode.
* Clipboard auto-paste and easy external link sharing for fast lookups from other apps.
Why OSS‑Dict? OSS‑Dict is designed to work entirely offline — your dictionaries stay on your device for fast lookups and better privacy. It’s lightweight, configurable, and ideal for travelers, students, and anyone who needs reliable dictionary access without an internet connection.
Network access The app requests the INTERNET permission for internal use by the built-in renderer and to open external links. This permission is not required for core dictionary lookups — the app functions offline with local dictionary files.
Open source OSS‑Dict is open source and available on GitHub. Contributions, bug reports and feature requests are welcome.
Get started Install or import your offline dictionaries, customize the look with CSS if you like, and start searching — fast and offline.
What's new in 2.1.0
Features: - add bookmarks/history backup format - merge backup entries into bookmarks and history - export and import bookmarks and history - add option to disable swipe to change article - add launcher shortcut to look up a word - allow a user-defined display name per dictionary - add a rename action to the dictionary list - add Lingvo DSL dictionary support - add option to disallow article full screen Bug fixes: - detect blocked internet permission and keep app usable - keep Parcelable CREATO
How to install OSS-Dict
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open OSS-Dict from your app drawer.




