# How to hide file format (.mp3)?

**URL:** https://community.mp3tag.de/t/how-to-hide-file-format-mp3/17661
**Category:** General Discussion
**Created:** [February 19, 2016, 4:20am UTC](https://community.mp3tag.de/t/how-to-hide-file-format-mp3/17661 "2016-02-19T04:20:51Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Ishan](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/i/3da27b/32.png) [@Ishan](https://community.mp3tag.de/u/Ishan)
#### Post date: [February 19, 2016, 4:20am UTC](https://community.mp3tag.de/t/how-to-hide-file-format-mp3/17661/1 "2016-02-19T04:20:51Z")

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In the FILENAME section Mp3Tag is showing file fotmat.  
For example: SongName.mp3

How can I hide (.mp3) them for all files?

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<div class="post-metadata">

### Author: ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [February 19, 2016, 5:12am UTC](https://community.mp3tag.de/t/how-to-hide-file-format-mp3/17661/2 "2016-02-19T05:12:23Z")

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Enter as Value for the column definition  
$replace(%\_filename%,.mp3,)

(Can't imagine what it is good for)

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<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: [February 19, 2016, 7:31am UTC](https://community.mp3tag.de/t/how-to-hide-file-format-mp3/17661/3 "2016-02-19T07:31:26Z")

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> [@Ishan](#):
>
> In the FILENAME section ... How can I hide (.mp3) them for all files?

**$replace(%\_filename\_ext%'\*','.mp3\*',) ... or ... $replace(%\_filename\_ext%'\*','.'%\_extension%'\*',) ... or ... %\_filename%**

See also ...  
[https://docs.mp3tag.de/customization/file-list](https://docs.mp3tag.de/customization/file-list)

DD.20160219.0933.CET