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SPECIFICTION
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Bulk Renamer

infinitecreation.io

Free plan WindowsmacOSLinux
Visit infinitecreation.io
Spec score 7.7 #12 of 31 in File Renaming Software

What it is

Bulk Renamer is a free desktop app for batch-renaming files in a chosen folder, available for Linux, macOS, and Windows. It displays a live preview of each proposed filename before applying the batch. Rename patterns can combine find-and-replace, prefixes or suffixes, sequential numbering, case conversion, and extension changes; find-and-replace accepts plain text or regular expressions. The app loads files from the selected folder but does not include subfolders. Before a batch runs, it checks whether destination names duplicate one another or already exist on disk, and a conflict blocks the operation. Undo reverses the latest successful batch only. That history is kept in memory and does not remain after the app closes. Bulk Renamer is open-source under the MIT license and its free plan costs nothing, with no account required. The maker notes that an unsigned app may trigger standard Gatekeeper or SmartScreen warnings on first launch until code-signing is set up. Infinite Creation describes its free tools as serving people who create, validate, publish, and teach media.

Spec sheet

Purpose
Bulk Renamer is a native desktop app for batch-renaming files in a selected folder.Read 2 Oct 2026 · infinitecreation.io
Intended users
The maker describes Infinite Creation’s free tools as being for people who create, validate, publish, and teach media.Read 2 Oct 2026 · infinitecreation.io
Platforms
Downloads are listed for macOS Apple Silicon and Intel, Windows 64-bit, and Linux .deb or AppImage.Read 2 Oct 2026 · infinitecreation.io
License
The app is open-source under the MIT license.Read 2 Oct 2026 · infinitecreation.io
Folder scope
The app loads files in the selected folder but does not include subfolders.Read 2 Oct 2026 · infinitecreation.io
Launch warning
The maker says unsigned apps may show standard Gatekeeper or SmartScreen warnings on first launch until code-signing is set up.Read 2 Oct 2026 · infinitecreation.io
Preview
It shows a live preview of each file’s new name before changes are applied.Read 2 Oct 2026 · infinitecreation.io
Regex
Find and replace supports plain text or regular expressions.Read 2 Oct 2026 · infinitecreation.io
Rename options
Rename patterns can combine find and replace, prefixes or suffixes, sequential numbering, case conversion, and extension changes.Read 2 Oct 2026 · infinitecreation.io
Undo limit
Undo reverses only the most recent successful batch and is stored in memory, so it does not persist after the app closes.Read 2 Oct 2026 · infinitecreation.io
Validation
Before renaming, it checks for duplicate destination names and names that already exist on disk; a conflict prevents the batch from proceeding.Read 2 Oct 2026 · infinitecreation.io

Plans and prices

Free Free No account · no trial · no watermark · open-source under MIT license Read 2 Oct 2026 · infinitecreation.io

Every Bulk Renamer plan and price →

Strong points and limits

Strong points

  • Previews proposed names before applying changes.
  • Supports regular expressions and multiple rename operations.
  • Checks for duplicate or existing destination names.
  • Free and open-source under the MIT license.

Limits

  • Does not include files in subfolders.
  • Undo covers only the latest successful batch.
  • Undo history disappears when the app closes.
  • Unsigned apps may show first-launch warnings.

Who it suits

It suits people who need to rename batches of files in a single folder on a desktop system. It may be useful to people who create, validate, publish, or teach media.

Verdict

Bulk Renamer offers several filename operations with a preview and conflict checks. Its folder scope stops at the selected folder, and undo is limited to the most recent batch during the current app session.

Where Specifiction places it

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