# Number format convert **URL:** \ **Category:** Support\ **Created:** [September 25, 2014, 11:40pm UTC](https://community.mp3tag.de/t/number-format-convert/16182 "2014-09-25T23:40:20Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Blind](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/b/ccd318/32.png) [@Blind](https://community.mp3tag.de/u/Blind)\ **Post date:** [September 25, 2014, 11:40pm UTC](https://community.mp3tag.de/t/number-format-convert/16182/1 "2014-09-25T23:40:20Z")
Am I able to switch my numbering format to lead with zeros? I could go through each album and change with the numbering wizard but I don't want to waste more time cleaning up my library. 1 to 01 2 to 02 3 to 03 4 to 04 5 to 05 6 to 06 7 to 07 8 to 08 9 to 09 10 to 10 ---
**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:** [September 26, 2014, 3:22am UTC](https://community.mp3tag.de/t/number-format-convert/16182/2 "2014-09-26T03:22:49Z")
> [@Blind](#): > > Am I able to switch my numbering format to lead with zeros? ... Select the files. Create an action of the type Format value for TRACK Enter as format string: $num(%track%,2) Execute the action. ---
**Author:** ![Blind](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/b/ccd318/32.png) [@Blind](https://community.mp3tag.de/u/Blind)\ **Post date:** [September 26, 2014, 4:05am UTC](https://community.mp3tag.de/t/number-format-convert/16182/3 "2014-09-26T04:05:12Z")
> [@ohrenkino](#): > > Select the files. > Create an action of the type > Format value for TRACK > Enter as format string: $num(%track%,2) > Execute the action. Worked like a charm. Many thanks 🙂 ---
**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\ **Post date:** [February 9, 2026, 12:25pm UTC](https://community.mp3tag.de/t/number-format-convert/16182/4 "2026-02-09T12:25:17Z")
Closed on February 9, 2026, 12:25pm UTC