How to bulk rename hundreds of files safely — with a preview and undo

Rename photos, documents or music in bulk with find-and-replace and numbering, see every change before it happens, and undo with one click.

Free · no account · 3 free uses of every tool · also for Mac (Intel), Windows, Linux

Renaming files one by one is slow, and many batch renamers change files immediately — one wrong pattern and hundreds of names are scrambled. A safer workflow is: preview, apply, and keep an undo.

Rename with find and replace

1. Open GUI Hub and choose Rename Many Files.
2. Pick the folder.
3. Type what to find (for example IMG_) and what to replace it with (for example holiday-).
4. Press Preview. A table shows every old name next to its new name. Nothing has changed yet.
5. Happy? Tick Apply changes and run again.

Number files in order

Use {%03d} in the replacement to add 001, 002, 003… and {ext} to keep each file’s extension. Example: find .*, replace with trip-{%03d}{ext}.

Undo a mistake

The Undo last rename tab restores the previous names in that folder.

What powers it

F2, a fast open-source renaming tool (MIT). GUI Hub downloads the official release and runs it for you.