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Rename Audio Files

With mp3Tag Pro you can process tags of your music files in many ways. For example, there is a feature to download missing tags from internet services, such as Amazon, MusicBrainz, FreeDB, Discogs. Tags can be added or edited manually. It is possible to extract tags from filenames and folder names, import them from a text file, and more. The tag editor supports all popular audio formats: MP3, FLAC, APE, M4A, MP4, AAC, OGG, and others.

On the other hand, information from tags can be used to rename your audio files.

Let's see how we can rename MP3 files (other supported formats are renamed in the same way). This feature is similar to generating tags from filenames.

Select Files

As first, we have to select MP3 files that need to be renamed.

Select MP3 files to rename

In the "Folders" area on the left, select the folder with your MP3 files. The files will appear on the right.

Click the green checkmark button to select all files. Alternatively, you can press Ctrl + A. To select an individual file, just click it.

Like in Windows Explorer, you can use combinations Ctrl + click and Shift + click.

Rename MP3 Files

After selecting files, click the "Rename files" button below the file list. This opens a new window:

Rename MP3 files

In the lower part of this window, you can see two important columns. The "Before" column shows current filenames, the "After" column is a preview for future filenames, using the currently specified format.

So, take a look at the "Format" field in the upper left corner of the window. On our screenshot, it shows:

%A - %T

We can translate it immediately, looking up the values in the list next to the field. %A stands for "Artist", and %T means "Title". This gives us:

Artist - Title

This is exactly how our filenames in the "After" column look like. You can click the "Rename files" button to rename the MP3 files.

Filename Formats

We can select a different pre-defined format from the "Format" dropdown list. Existing formats can be removed using the yellow minus button. You can also add your own formats to the list by entering a format and clicking the green plus button.

Creating new formats is pretty easy. Think which field you'd like to use in your filenames, look up the variable for the field in the list next to the "Format" field and place it into the "Format" field. A preview will be available immediately.

Let's do something that is not available among the pre-defined formats. We will rename our files to the pattern used on CDs: Track01, Track02, etc. Is it possible?

Such filenames consist of two parts: "Track" is always the same for all filenames, while "01", "02" are obviously track numbers that are different for each track. Different means variable.

This gives us the idea to look up the "Track #" variable in the list. By the way, it is at the very top: "Track # (%#, %0)".

Thus, we replace track numbers with the %# variable, while keeping the "Track" part:

Track%#

Let's enter this into the "Format" field:

A CD-like renaming pattern

The preview looks good, so we click the "Rename files" button and get:

Renamed MP3 files

Well, normally people hate this type of filenames, so we will rename the files once again. For example, with this format:

(%#) %T

Rename MP3 using a different format

As you can see, variables are replaced with values from corresponding fields, while non-variables ("Track" in the first example, brackets and space in the second one) are kept in their positions.

For more information about the "Format" field, read this article.

Options In The Renaming Window

All changes are applied only to the "checked" files. Near each filename, there is a box on the left. If the box contains the green checkmark, the file is "checked", otherwise it is not.

By default, all files are checked. You can change that by unchecking some boxes manually, or using the buttons just above the list, in the upper left corner.

Capitalization is a dropdown list with several options:

Capitalization options

It defines how information from ID3 tags will be processed. By default, there is no change, but you can convert existing values to lower or to upper case, or use further options.

Letters replacement is another dropdown list:

Letters replacement

Using it, you can easily replace spaces with the "_" character or the other way around. Additionally, spaces can be removed.

For example, if there is a title like "Some song", you can rename the file into "Some_song.mp3", replacing spaces with "_". This may be useful for systems that do not like spaces in filenames.

Delete bad letters. Some characters are not suitable for filenames. If you try renaming some file in Windows and enter such character (for example, ":"), the system will show a popup hint saying that such character cannot be used.

When creating new filenames from tags, mp3Tag Pro can either replace such characters with spaces or remove them completely.

Remove extra spaces. If there are double, triple and so on spaces in tags, mp3Tag Pro can remove them. Normally, such filenames will look better, but if you want to keep spaces, disable this option.

Rename With A Right-Click

Individual files can be renamed using the right-click menu. Just right-click a file in the main window of the tag editor and select "Rename":

Rename with a right-click

A window will pop up, suggesting a new filename based on the "Artist - Title" format:

Rename the MP3 file

You can adjust the filename manually.

The file renaming feature can also be used to create folders and sort audio files.

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Testimonials

mp3Tag is great, by the way. I am a bit of an addict when it comes to music. I download a lot of music files from blogs and many of them are poorly tagged and named. mp3Tag makes the process of making them more useful so very easy. I have hundreds of files from a time before I purchased mp3Tag and am now going through those files to fix them. I simply could not do this without mp3Tag.

Keep up the great work. I look forward to future versions.

Randy

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