All tools
Zero padding
Add or remove zero padding in file names
Zero padding keeps numbered files in the correct order when viewed in file managers, archives, and tools that sort names alphabetically.
Best for
Use this when file names contain numbers like 1, 2, 10 and need fixed-width forms like 001, 002, 010.
Rename examples
Pad chapter numbers
Chapter1.txt
Chapter001.txt
Pad image numbers
img_9.jpg
img_009.jpg
Remove padding
file_0007.log
file_7.log
Common use cases
- Make numbered photos, chapters, and assets sort correctly.
- Normalize mixed-width numbers from imported files.
- Remove unnecessary leading zeros when a simpler name is preferred.
How to use it
- 1Choose the zero padding rule.
- 2Select add or remove padding and set the target length.
- 3Preview number formatting before applying.
FAQ
Why do I need zero padding?
Without padding, alphabetical sorting can place 10 before 2. Fixed-width numbers keep the order predictable.
Can it remove leading zeros too?
Yes. The zero padding rule supports both adding and removing leading zeros.