Core Engine

Dual-Pane Explorer

Browse two storage locations simultaneously with independent tabs, smooth drag-and-drop, and overwrite protection.

Real-world screenshots:

Live drag-and-drop from one pane to another with interactive badge ("Drop here to Move") and highlighted drop zone.

Dual-pane explorer in dark mode with split OneDrive and local NAS views.

Dual-pane explorer in high-visibility light mode.

Full context menu: direct download, instant transfer to the opposite pane, copy, and properties.

Recursive folder size calculator and hidden files toggle button.

Instant storage switcher with integrated search bar per pane.

Dual-Pane Principles

The Explorer splits your workspace into two fully autonomous panes. Each pane features its own navigation history (back/forward), storage switcher, address breadcrumbs, and live filter input.

Open multiple tabs in each pane to keep multiple folders accessible simultaneously.

Use the Tab key or mouse click to toggle focus instantly between panes.

Drag-and-Drop & Instant Transfers

To copy or move files, simply select one or more items in one pane and drag them to the opposite pane or directly into any visible subfolder.

Drag from cloud storage to local disk.
Drag from local disk to cloud storage.
Drag directly between two distinct clouds (without filling up your local disk).

Smart Conflict Resolution

Ultra Explorer strictly prohibits silent file overwrites. Whenever an item with the same name exists at the destination, an interactive dialog gives you full control:

Overwrite: replaces the destination file with the incoming version.
Skip: preserves the target file intact and moves to the next element.
Keep Both: automatically renames the incoming file by appending a unique timestamp suffix.

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