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Extensions 
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YouTube Uploader for Dropbox, Drive
This app allows you to upload Dropbox, MS OneDrive, Google Drive video files to YouTube directly.
imgur Uploader
Right-click uploading of images and screenshots anonymously or to your imgur account.
Speed Uploader for Google Drive
It allows you to register folders uploading frequently and upload files to them directly. Provides multiple simultaneous uploads.
PLANOLY Uploader
You can use this extension to upload content to your Planoly's Pin Planner and publish to Pinterest.
Xirvik .torrent to seedbox uploader
This extension adds options to .torrent files to upload them automatically to a number of popular BitTorrent clients.
KDP Uploader
Amazon KDP Automation Tool: upload Paperbacks, Hardcovers and Kindle eBooks to KDP platform has never been so Easy
Drive Uploader
Receive large files from your clients, friends or students. The data are securely saved in your Google Drive.
FABUI (FurAffinity Uploader & Notifier)
Implements a better uploader and notification system on FurAffinity.
Dediseedbox Torrent Uploader
This extension will recognise a .torrent file download and upload the .torrent file to a remote server running the rutorrent webui
Reddit->Imgur Uploader
Upload an image to Imgur and get the resulting URL without ever leaving your Reddit tab