Source: Love Mac | Software download link: FLACTunes for Mac

FLACTunes is an audio format conversion and management tool designed specifically for macOS. Its core focus is on efficiently and losslessly converting lossless FLAC audio files into the ALAC format widely compatible with the Apple ecosystem, while also supporting metadata editing, making it an ideal choice for music collectors organizing their digital music libraries.

I. Detailed Overview of the Software’s Core Interface and Workspace

FLACTunes’ interface follows macOS design philosophy—clean and intuitive—and is mainly divided into four functional areas.

Top Menu Bar and Toolbar: Contains all core operation commands. The left side features standard menus such as “File” and “Edit,” while the right-side toolbar provides shortcut buttons for common functions such as “Add Files,” “Start Conversion,” and “Stop.”
File List Area (Main Workspace): Located in the center of the interface, it displays all imported audio files pending processing in table form. The column information typically includes: file name, title, artist, album, duration, status, and output format. Users can sort, select, and preview metadata for files here.
Information & Metadata Editing Panel: Usually located on the right side or at the bottom of the interface. When one or more files are selected in the file list area, this panel displays detailed audio information (such as sample rate and bit depth) and allows users to directly edit the song’s metadata tags, such as title, artist, album, genre, album art, etc.
Status Bar & Progress Indicator: Located at the bottom of the window, it displays the overall progress of the conversion queue, the current task status, and a summary of information after conversion is complete.

II. Complete Workflow from Creating a Project to Exporting

1. Launching and Adding Audio Files

Steps:

Launch the FLACTunes application.
Click the “Add Files” button in the toolbar (the icon is usually “+”), or use the shortcut Command + O, or simply drag and drop FLAC files into the software’s file list area.
The software will immediately parse the added files and display them in the list in the main workspace.

2. Checking and Editing Metadata

Steps:

Click to select the target file in the file list area.
The “Information” panel on the right will display the metadata of that file. Click on any field (such as “Artist” or “Album”) to edit it directly.
To add or change the album cover, click the album cover area and select a new image file from Finder.
To batch edit multiple files, use Command + Click or Shift + Click to multi-select, then edits made in the info panel will be applied to all selected files.

Tip: Accurate and complete metadata is key to a tidy music library, so it is recommended to complete this step before conversion.

3. Configure Output Settings

Location: Menu bar “FLACTunes” -> “Preferences”, or use the shortcut Command + ,.

Key settings:

Output format: In the “General” or “Conversion” tab, set the output format to “Apple Lossless (ALAC)”. This is a lossless format that is seamlessly compatible with iTunes/Music and iOS devices.
Output directory: Set the save location for converted files. You can choose “Source Folder” or “Custom Folder”.
Filename rules: You can customize the naming rules for output files, for example using the “Artist – Title” format.
Audio quality: Make sure it is set to “Lossless” or the highest quality to ensure the audio data remains fully intact.

4. Perform Format Conversion

Steps:

Confirm that the file list area already contains all the files you need to process.
Click the “Start Conversion” button in the toolbar (usually in the shape of a play button), or use the shortcut Command + R.
The status bar will show the conversion progress. The “Status” column in the file list will change from “Waiting” to “Converting,” and finally display as “Completed.”

5. Locating and Using the Output Files

Steps:

After the conversion is complete, right-click any completed file in the file list area.
Select “Show in Finder” from the context menu to quickly locate the converted ALAC (.m4a) files.
After that, you can import these files into the Music app or sync them to your iOS devices.

III. Advanced Tips for Common Features

Batch Renaming and Organization: By combining the “Filename Rules” in the output settings with the batch metadata editing feature, you can quickly organize a pile of chaotically named FLAC files into a clear, well-structured music library with complete information, such as “Artist/Album/Track.”
Smart Preset Management: If you frequently need to convert to different formats (for example, needing both ALAC and MP3 versions), you can create multiple conversion presets in Preferences and assign different shortcuts or quick switches to them.
Seamless integration with the “Music” app: Set the output directory to the “Music” app’s “Automatically Add to Music” folder (located at ~/Music/Music/Media/Automatically Add to Music.localized/), and converted files will automatically appear in your “Music” library.
Automation with Automator: For advanced users, FLACTunes can be combined with macOS’s Automator to create a “Folder Action” workflow. When new FLAC files are placed into a specific folder, the conversion task is triggered automatically.

IV. Common Issues and Solutions

Symptom	Possible Cause	Solution
Conversion fails with a “file corrupted” or “unsupported” message	The source FLAC file itself is corrupted, or non-standard encoding parameters were used.	Try playing the FLAC file with another player (such as VLC) to verify its integrity. If other players also cannot play it, you will need to re-obtain the source file.
Converted files have no album artwork	1. No artwork was embedded in the source FLAC file. 2. Metadata edits were not saved or applied.	1. Before converting, manually add artwork via FLACTunes’ info panel. 2. Make sure that after editing metadata, you move focus away from the edit field or perform any action; the software usually saves changes automatically.
The “Music” app cannot recognize converted ALAC files	The file extension or internal encoding container may be non-standard.	Make sure the output format is explicitly set to “Apple Lossless.” Check whether the file extension is .m4a. Try dragging the files directly into the “Music” app window rather than relying on the Automatically Add to Music folder.
Metadata gets messed up due to accidental operations during batch editing	An incorrect global edit was applied after selecting multiple files.	Immediately use `Command + Z` to undo the last operation. Before performing batch edits, it is recommended to test on a small number of files first.

V. FLACTunes for Mac Keyboard Shortcuts Summary

Function	Shortcut (Mac)	Description
Open File	`Command + O`	Add audio files to the conversion list
Start Conversion	`Command + R`	Start the format conversion queue
Stop Conversion	`Command + .`	Stop the conversion task currently in progress
Preferences	`Command + ,`	Open the software settings window
Remove from List	`Delete`	Remove the selected file (does not delete from disk)
Select All	`Command + A`	Select all files in the list
Undo	`Command + Z`	Undo the last operation
Show in Finder	`Command + Shift + R`	Quickly locate the selected file’s location
Get Info / Edit Metadata	`Command + I`	Focus on the metadata editing panel