Prepare for a U.S. interview with practice tests on civics, history, and geography. Track progress on correct answers. Access study materials and learn about naturalization requirements. Submit test results and receive guidance on next steps.
Write, test, and share JavaScript, CSS, and code snippets. Support multiple languages including JS, JSX, TypeScript, CSS, SASS, SCSS, PostCSS, Less, , and Pug. Use quick shortcuts and code suggestions for faster coding.
Convert files like images, Word, Excel, and web pages into PDFs with one click. Edit text, add watermarks, and adjust layouts. Share or save converted documents directly from the .
Scan documents using your phone's camera to capture and intelligently scan photos or documents. Automatically detect and adjust text areas for accurate scanning. Organize scanned items into folders or albums for easy access and management.
Secure browsing with zero-knowledge encryption ensures no activity is linked to your identity. All software is open source and available on GitHub. Users can browse privately without account creation or data collection.
Access learning materials and take tests directly within the . Review lessons, practice exercises, and track progress. Offline access allows learning without internet.
Calculate payments by entering balance and interest rate. Choose between monthly calculation or desired payoff timeframe. Provide estimated monthly payments and payoff timelines based on input.
Convert documents, photos, and other files into PDFs with one tap. Merge multiple files into a single document. Edit text, add watermarks, and adjust page layouts. Save and share PDFs directly from the .