Download Accelerator & Manager is an add-on that enables you to download large files with multi-threaded method. It divides the input file into several sections and then download all sections in parallel. Just enter a desired thread count in popup and then add a new download task. You can add a new download through toolbar popup UI (top section) or simply right click on a desired download link and then click on the - Download with accelerator - item in context-menu. Note: after adding a new URL, please adjust the number of threads. Also note that, currently the maximum number of threads is 5. If you have a feature request or found a bug to report, please fill the bug report form in the add-on's homepage (https://mybrowseraddon.com/download-accelerator-manager.html).