Simplr is a Chrome extension that provides instant word definitions and AI-powered text simplification directly on any webpage. Designed for students, researchers, and everyday users, it helps you understand content without leaving your current tab.
Backend for Simplr Chrome Extension Repo: Simplr Backend
- Instant Definitions: Highlight a word and press
Alt + Dfor a quick definition. - AI Text Simplification: Select a sentence and press
Alt + Sto simplify complex text. - Minimal, Non-Intrusive UI: Clean popup using Shadow DOM to avoid interfering with page content.
- Keyboard Shortcuts: Fast, intuitive access—no need to open new tabs.
- Privacy First: No tracking or data collection.
- Clone or Download:
git clone https://github.com/yourusername/simplr-extension.git
- Open Chrome Extensions:
Go tochrome://extensions/in Chrome. - Enable Developer Mode:
Toggle the switch in the top-right corner. - Load Unpacked:
Click Load unpacked and select the extension folder. - Pin the Extension:
Click the puzzle icon in the toolbar and pin Simplr.
- Highlight Text: Select a word or sentence on any webpage.
- Keyboard Shortcuts:
Alt + D— Get a definition.Alt + S— Simplify selected text.
- Popup:
Results appear in a popup. Use the close button or pressEscapeto dismiss.
- Tech Stack:
Vanilla JavaScript (ES6+), Chrome Extension Manifest V3, Shadow DOM - APIs:
DictionaryAPI.dev for definitions, custom backend for simplification - Structure:
- Core logic:
content.js,utils/api.js - UI:
popup/directory
- Core logic:
Contributions are welcome!
- Fork the repository.
- Create a feature branch.
- Make clear, documented changes.
- Open a pull request.
Please keep the interface minimal and the functionality focused.
MIT License — see LICENSE for details.
For questions or feedback, open an issue or reach out via GitHub.