No additional utilities required: use your web browser or Telegram. Works on smartphones as well.
I'll convert and send any ebook to your Kindle with one click
Supported file types:
EPUB, FB2, CBZ, CBR, MOBI, PDF, DOCX, HTML, TXT, ODT, CHM, DJVU, RTF, AZW
You can send not just files, but also links (max. size is 45MB)
Converting and uploading a file takes no more than a couple of minutes.
For Telegram users: a convenient bot in your favorite messenger.
Use it any time wherever you want: the only thing you need is Wi-Fi connection for your Kindle.
Forget about the long process of conversion and uploading. Better to spend time reading.