Bica File Renamer

Bica File Renamer is a portable application that features advanced customization settings for renaming files in batch mode. It supports regular expressions and can remove strings based on their occurrences, among others.

It consists of a single .exe file that can be saved anywhere on the disk or on a removable storage unit to effortlessly run it on any computer. Unlike most installers, it doesn't change Windows registry settings, need any DLLs to launch, or create extra files on the HDD without your permission. It's suffice to delete the .exe to completely remove it from the drive.

It adopts a user-friendly interface, where the window has a neatly organized structure for tinkering with options. You can add as many files as you want to the task list, change their order, remove any item, as well as check out the original and new file names before committing changes.

When it comes to the file renaming preferences, you can specify a prefix or suffix, as well as indicate the starting number and total digits for auto incrementation. Any part of the file name can be replaced with something else using regular expressions and after enabling case sensitive mode.

It's possible to insert strings of characters at any desired position in the file name, remove the first, last or all occurrences of a string, convert the case (e.g. uppercase, lowercase, capitalization), select the separator, and apply a custom date format. Extensions can be optionally renamed.

Bica File Renamer also implements options for exporting the file list with the original or new file names, with or without file extensions, in order to postpone the session. You can reset the rename settings to default, as well as switch to another UI language.

No error dialogs popped up in our tests, and the utility didn't freeze or crash. It left a small footprint on system resources consumption, running on low CPU and memory.

To sum it up, Bica File Renamer comes loaded with practical and intuitive options for renaming files and extensions in bulk mode using advanced filters.