How to do it
- Add the files and sort themSort by name (Finder-style natural order), created, modified, size, or drag them into order.
- Add a Number stepChoose start, step and padding:
001,002… - Place the numberAs a prefix, suffix, or at a position, with your own separator.
- RenameThe preview shows every new name first.
Pro numbering
- Letters (a, b … aa), Roman numerals and hexadecimal
- Reset numbering in each folder
- Repeat and restart, for groups like 1-1, 1-2, 2-1
- Carry the last number forward to the next batch
Questions
How do I number files in Finder?
Rename › Format › Name and Index. It can't pad numbers or combine numbering with other changes.
Can I number files in a custom order?
Yes. Sort by any column or drag files into the order you want before numbering.