# Add zero to 1-digit tracknumber

**URL:** https://community.mp3tag.de/t/add-zero-to-1-digit-tracknumber/15414
**Category:** Support
**Created:** [January 20, 2014, 1:53pm UTC](https://community.mp3tag.de/t/add-zero-to-1-digit-tracknumber/15414 "2014-01-20T13:53:09Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![DetlevD](https://community.mp3tag.de/user_avatar/community.mp3tag.de/detlevd/32/123_2.png) [@DetlevD](https://community.mp3tag.de/u/DetlevD)
#### Post date: [January 20, 2014, 2:44pm UTC](https://community.mp3tag.de/t/add-zero-to-1-digit-tracknumber/15414/2 "2014-01-20T14:44:32Z")

</div>

> [@Jilt](#):
>
> ... If my filenames in a folder look like this:  
> Track 1.mp3  
> Track 2.mp3  
> Track 10.mp3  
> how can I change this to:  
> Track 01.mp3  
> Track 02.mp3  
> Track 10.mp3  
> ...

1. You can set the tag-field TRACK within the file to look like what you want, ...  
then rename the file with the converter "Tag - Filename".  
You can use the track numbering assistant from the Mp3tag menu.

2. You can use the converter "Filename - Filename" ...  
Mask old name: %1 %2  
Mask new name: %1 $num(%2,2)

... and additionally there are some other ways to go in Mp3tag using other converters or using the Mp3tag scripting language in actions.

1. You can see there for a set of ready made action groups for manipulating ...  
TRACK and TOTALTRACKS ...  
[Adding "totaltracks" tag en mass?](https://community.mp3tag.de/t/12205/5)

DD.20140120.1644.CET

---

_[View the full topic](https://community.mp3tag.de/t/add-zero-to-1-digit-tracknumber/15414)._