Features Implemented:

1. Drag and Drop Interface: Users can drag and drop JPG files directly onto the upload area.
2. File Browser: Traditional file selection via “Browse Files” button.
3. Cloud Integration Buttons: Placeholder buttons for Google Drive and Dropbox (would connect to their APIs in a real implementation).
4. Multiple File Selection: Users can select multiple JPG files at once.
5. Add More Files: After selecting some files, an “Add More Images” button appears.
6. File Preview: Thumbnails of selected files are displayed before conversion.
7. Bulk Conversion: All selected JPG files are converted to PNG at once.
8. Download Options: Each converted PNG has a download button.
9. Responsive Design: Works well on mobile, tablet, and desktop.
10. Attractive UI: Colorful gradient text, icons, and modern card-based layout.