DropUpLoad is a lightweight and portable FTP spooler that helps webmasters safely upload or update website files with minimal risk of corruption; especially when transferring large numbers of files. Instead of sending everything at once, it queues each file and sends them in a buffered, controlled stream. This greatly reduces failed transfers and ensures reliable uploads, even over slower or unstable connections. Because it is completely self contained, it can be installed to and run directly from a USB flash drive, making it a convenient tool for on-the-go website maintenance.
DropUpLoad Portable FTP Spooler

- Author’s Website: Archived Home Page
- License: Open Source
- Supported OS: Windows
- Download: Download DropUpLoad Portable FTP Spooler
Key Features
- Portable and runs directly from a USB flash drive with no installation needed.
- Spools and buffers files for safer FTP uploads.
- Ideal for updating entire website directories with reduced risk of corruption.
- Simple interface suitable for beginners and advanced users.
- Open source utility with a very small footprint.
Why Use a Portable FTP Spooler?
Traditional FTP clients send files immediately, which can fail if the connection is unstable or if large batches of files are transferred at once.
DropUpLoad solves this by queuing items and pushing them to the server in a controlled manner, reducing upload errors and improving transfer reliability—especially useful when managing website content from multiple devices or environments.