Once Renamer
Once Renamer is a free and lightweight batch rename software for Windows. It allows you to easily rename multiple files and folders at once with support for regex, sequences, case changes, adding/removing texts/numbers, trimming filenames and more.
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Once Renamer: Batch Rename Software
A free and lightweight batch rename software for Windows, supporting regex, sequences, case changes, adding/removing texts/numbers, trimming filenames and more.
What is Once Renamer?
Once Renamer is a free and open-source batch rename software for Windows. It provides an intuitive interface to quickly rename multiple files and folders in bulk.
With Once Renamer, you can:
- Rename files and folders using text, numbers, or regex find & replace
- Sequentially number file names
- Change case of file names (to uppercase, lowercase, etc)
- Trim file name length
- Add/remove prefixes, suffixes, texts, dates, etc.
- Undo changes if needed
- Process files in subfolders recursively
- Preview changes before applying
It comes with a small footprint (under 1MB) and requires no installation. Once Renamer can process a large volume of files swiftly with its multithreaded engine.
The software is regularly updated by its developer and community. It's free to use (even commercially) and open-source (released under GNU GPL v3 license).
Overall, Once Renamer provides an easy way to automate renaming tasks without learning complex scripts or commands. With its polished interface optimised for bulk renaming jobs, it's a handy utility for photographers, website developers, IT workers and regular PC users alike.
Once Renamer Features
Features
- Batch rename multiple files and folders
- Support regex for advanced renaming
- Add or remove texts and numbers
- Change case of filenames
- Trim filenames
- Create rename sequences and enumerations
- Undo rename operations
- Preview rename changes before applying
Pricing
- Free
- Open Source
Pros
Free and open source
Lightweight and easy to use
Powerful advanced renaming capabilities
Support for multiple rename operations
Undo feature to revert mistakes
Preview changes before applying
Cons
Limited to basic interface without many customization options
Less intuitive than some commercial rename tools
Lacks integration with Windows File Explorer
No advanced automation or scheduling features
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