# Long time to convert filename to title

**URL:** https://community.mp3tag.de/t/long-time-to-convert-filename-to-title/71495
**Category:** Support
**Created:** [June 25, 2026, 9:58pm UTC](https://community.mp3tag.de/t/long-time-to-convert-filename-to-title/71495 "2026-06-25T21:58:22Z")
**Posts on this page:** 1
**Showing post:** 2

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### 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: [June 26, 2026, 6:00am UTC](https://community.mp3tag.de/t/long-time-to-convert-filename-to-title/71495/2 "2026-06-26T06:00:00Z")

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You do not tell us anything about the file size, the environment, the defender settings.  
Files may have to be rewritten if the padding for tag data is not large enough.  
And rewriting a file then depends a lot on the speed of the file access.  
Local files can be accessed quicker than files on external storages or on network locations.  
Also, the defender might interfere, see here:

> [@Windows Defender - Speed of loading files in MP3Tag](https://community.mp3tag.de/t/windows-defender-speed-of-loading-files-in-mp3tag/47784):
>
> In the past I already noticed that the antivirus-software of windows-defender slows down the loading speed of files in MP3Tag dramatically: At this time my third-party antivirus-software (Avast) had been gotten accidently deactivated and windows-defender activated. This time I wanted to give windows-defender a second chance, deinstalled Avast and activated the defender. The same happened as before: Mp3Tag became very slow in loading files in spite of the activated library-function. I tested…

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