Safari Portable -

#!/bin/bash # portable-safari.sh EXTERNAL_VOLUME="/Volumes/MyDrive" # CHANGE THIS PROFILE_DIR="$EXTERNAL_VOLUME/PortableSafari/Profile" CACHE_DIR="$EXTERNAL_VOLUME/PortableSafari/Cache" mkdir -p "$PROFILE_DIR" "$CACHE_DIR" Launch Safari with custom user data and cache /Applications/Safari.app/Contents/MacOS/Safari --args -AppleLanguages '(en)' -WebKitStorageDirectory "$PROFILE_DIR" -WebKitLocalCachePath "$CACHE_DIR" -WebKitJavaScriptCanOpenWindowsAutomatically YES Note: Safari’s command-line arguments are less documented than Chrome’s. The above uses environment overrides. Step 3: Make the Script Executable and Save chmod +x /Volumes/MyDrive/PortableSafari/portable-safari.sh Step 4: Launch Portable Safari Double-click the script in Finder (set to open with Terminal) or run from Terminal. Safari will open with a fresh, separate profile. 4. Enhanced Method Using a Configuration Profile For advanced isolation, create a mobileconfig profile that forces Safari to use the external directories. Use Apple Configurator 2 or iMazing Profile Editor. Example restriction keys (partial): <key>WebKitStoreDataInLocalSandbox</key> <true/> <key>WebKitStorageDirectory</key> <string>/Volumes/MyDrive/PortableSafari/Profile</string> Install this profile only when using the portable environment and remove afterward. 5. Comparison with Alternatives | Feature | Portable Safari (this method) | Firefox Portable (community) | Chrome – User Data Dir | |---------|-------------------------------|------------------------------|------------------------| | Official support | No | No (third-party launcher) | Yes ( --user-data-dir ) | | Keychain isolation | Partial | N/A (uses its own) | Good | | Extension portability | Manual | Manual | Manual | | Speed on external SSD | Excellent | Good | Excellent | | macOS continuity (Handoff, iCloud tabs) | Breaks | Not applicable | Breaks |