Unifies length of all numbers to a user defined length, by adding leading zeros
to them. If number length is greater then the user defines length, it will not
The filter works only on numbers that are unique words, e.g numbers that are
seperated from rest of the filename.
: operate on all numbers in the filename.
"First number only"
: operate on the first number in the filename only.
Fix all numbers to total length of 3.
05-Opus 40.mp3 >>> 005-Opus 040.mp3