HelaKatha - Sinhala Input Tool by mudhitha
Smart Singlish to Sinhala phonetic typing tool with real-time transliteration, predictions, and FM Abhaya legacy conversion on any website.
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About this extension
No account, login credentials, or third-party service is required to test this add-on.
How to test the extension:
1. Open any website containing an input or search field (e.g., https://www.google.com or https://www.wikipedia.org).
2. Click inside any text box or search bar.
3. Type phonetic Singlish words to observe real-time suggestions and replacement:
- Type "amma" and press Space -> Converts to "අම්මා "
- Type "kohomada" and press Space -> Converts to "කොහොමද "
- Type "lanka" and press Space -> Converts to "ලංකා "
- Type "oyata" and press "." (period) -> Converts to "ඔයාට."
4. Press "Alt + Space" at any time to toggle Singlish typing ON/OFF (an on-screen toast and the toolbar icon badge update between "සි" and "EN").
5. Click the extension toolbar icon (purple "සි") to:
- Switch Output Format between "Sinhala Unicode" and "FM Abhaya (Legacy)" mode.
- Switch Theme between "Dark Theme" and "Light Theme".
Privacy & Permissions:
- This extension operates 100% client-side in pure JavaScript.
- It does not collect, log, track, or transmit any user data or keystrokes (declared as data_collection_permissions: ["none"]).
- No external network requests or remote scripts are executed.
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Permissions and data
Required 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
- 1.0.1
- Size
- 31.87 KB
- Last updated
- 5 days ago (Aug 26, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Add to collection
inside the browser.
Features & Philosophy:
• 100% Privacy First: Transliteration runs entirely offline in your browser with zero data collection.
• Universal Compatibility: Works across all modern web apps including Google Docs, Gmail, WhatsApp Web, ChatGPT, and social media.
• Legacy & Modern Support: Seamlessly switch between Standard Sinhala Unicode and FM Abhaya visual ASCII encoding.