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Many of my mp3s have ID3 fields that contain spaces at the beginning or at the end of the field. I'm looking for an application that:

  • can trim (= remove start and end spaces) every ID3 field of each mp3 in the folder(s) I select
  • walk the sub-folders recursively, i.e. not just take the mp3s located at the root of the folder
  • has a GUI
  • works on Windows, Linux or Mac OS
  • is free or non-free
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2 Answers 2

up vote 6 down vote accepted

You should be able to do this with Mp3tag. Mp3tag has a replace with regular expression action that will allow you to remove spaces in any tag field you want.

Your requirements:

  • With some knowledge of regular expressions, you can trim spaces from the beginning and end of any ID3 field you want.
  • Has the option of looking in all subfolders of a selected folder
  • Has a GUI
  • Gratis, runs on Windows

To trim spaces (beginning and end of all tags), use the action (thanks Izzy!):

enter image description here

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3  
Hint on a regexp: ^\s+(.*)\s+$ replace by "$1" (or "\1", depending on what the application uses for back-references). If you also want to catch those having spaces only in front or in the end (the above only catches those having both): ^\s+(.*)$ for the former, ^(.*)\s+$ for the latter. –  Izzy Feb 25 at 21:09
2  
@Izzy and Ben: Awesome, it works perfectly. I used $1 Thanks a lot! –  Franck Dernoncourt Mar 20 at 0:56

Puddletag is solution I'm using on Ubuntu. Puddletag generally looking is very similar to mp3tag available on windows platform.

puddletag main scrren

Requested functions:

  • Trimming can be done using function Trim Whitespace (I don’t use this function personally since i do rename all files using my specific pattern)
  • Folders can be added recursively
  • GUI available
  • Free of charge and open-source works on Ubuntu, Fedora, can be downloaded as deb or source code, and included in Ubuntu repositories

Beside requested functions there are few other I consider very useful such as auto numbering, remove duplicate values, remove all except chosen value, update fields from tag, sort values, import and export artwork, scripting functions (RegEx) and one I like most tagging audio files using web based Tag Sources like MusicBrainz, Discogs, Amazon, FreeDB, AcoustID. Its even possible to use Mp3tag’s Tag Sources but that one I never tested.

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