The top 10 free online JPG to SVG converters along with their descriptions:

1. https://doitconnect.com/tools/jpgtosvg/ - This is a simple and user-friendly online tool for converting JPG images to SVG format. The conversion process is fast and efficient, and the resulting SVG files are of high quality.

2. https://image.online-convert.com/convert-to-svg - This online converter supports many image formats, including JPG, and offers advanced settings for optimizing the output SVG file. The resulting SVG file can be downloaded or saved to Dropbox or Google Drive.

3. https://convertio.co/jpg-svg/ - This is another popular online converter that supports the conversion of JPG files to SVG format. It is easy to use and offers a fast conversion speed.

4. https://www.zamzar.com/convert/jpg-to-svg/ - Zamzar is a well-known online file conversion tool that also supports JPG to SVG conversion. The process is simple and straightforward, and the resulting SVG file can be downloaded or sent to an email address.

5. https://svgcreator.com/image-to-svg-converter - This online tool offers a simple and intuitive interface for converting JPG files to SVG format. The resulting SVG file can be edited and customized using the built-in editor.

6. https://www.aconvert.com/image/jpg-to-svg/ - This online converter offers fast and accurate JPG to SVG conversion, and supports the conversion of multiple files at once. The resulting SVG files can be downloaded or saved to Google Drive or Dropbox.

7. https://www.online-convert.com/ - Online-Convert is a powerful online file conversion tool that supports the conversion of many file formats, including JPG to SVG. The conversion process is fast and efficient, and the resulting SVG files are of high quality.

8. https://www.filezigzag.com/jpg-svg-en.aspx - This is a free online converter that supports the conversion of JPG files to SVG format. It offers a simple and intuitive interface, and the resulting SVG files can be downloaded or sent to an email address.

9. https://www.coolutils.com/online/JPG-to-SVG - This online converter offers a simple and user-friendly interface for converting JPG files to SVG format. The resulting SVG files can be downloaded or saved to Dropbox or Google Drive.

10. https://www.onlineconverter.com/jpg-to-svg - This online converter supports the conversion of JPG files to SVG format, and offers several advanced settings for optimizing the output SVG file. The resulting SVG file can be downloaded or saved to Google Drive or Dropbox.