A dual-pane file manager for macOS.

Two panels, full keyboard control, built-in archives, FTP and SFTP, and a real hex editor. Native, sandboxed, no tracking.

Browse the app ↓ or drive the panel below: click it, then ↑ ↓ and ↵
FileMaster4M ▸ filemaster.altlogic.pl
/ filemaster.altlogic.pl
NameSizeKind
preview
14.0+ macOS2 panels15 archive typesFTP · SFTP100% App Sandbox0 trackers

/ features

A focused tool for moving, organizing, and inspecting files, local and remote.

dual-pane.workflowTwo independent panels with a central action bar. Copy, move, and compare between locations in one keystroke. Drag & drop within the app or to Finder.core
archives.nativeCreates ZIP, TAR (gz/bz2), LHA/LZH and CPIO. Opens 15 archive types, including 7z, tar.xz, LZ4, LZFSE and ZSTD: fully native, no external binaries, no Process().15 types
network.remoteFTP and SSH (SFTP) clients with remote rename. Trust-on-first-use host keys; credentials stored in the Keychain.FTP · SFTP
hex.editorEdit bytes directly with a full data inspector (UInt/Int/Float, binary, offsets) and atomic write-back to disk.bytes
cloud.foldersAuto-detects Google Drive, Dropbox, OneDrive, iCloud & Box folders via ~/Library/CloudStorage: no API keys, no OAuth.no sign-in
sandbox.privateApp Sandbox with security-scoped bookmarks. No Full Disk Access, no analytics, no telemetry, no tracking.private

/ screenshots

Real captures from the app, running in Glass Mode on macOS. Scroll sideways.

Dual-pane main window in Glass Mode
dual-pane.png · main window
Browsing files across both panels
files.png · glass interface
Built-in file preview
preview.png · images, text, media
FTP / SFTP connection dialog
network.png · FTP, SFTP
Getting Started and keyboard shortcuts
getting-started.png · shortcuts
Settings, interface and Glass options
settings.png · interface options

/ shortcuts.cfg

Norton and Total Commander function keys, exactly where your fingers expect them.

F3
View
Preview file
F4
Edit
Open editor
F5
Copy
To other pane
F6
Move
To other pane
F7
New Folder
Create dir
F8
Delete
To Trash
F9
Rename
Local & remote
Tab
Switch pane
Left ↔ right

/ formats.list

All native, no external binaries. Six formats are created and extracted; the rest open read-only.

CREATE + EXTRACT

ZIPTARtar.gztar.bz2LHA / LZHCPIO

EXTRACT

7ztar.xzxzgzbz2LZ4LZFSEZSTD