A dedicated extension changer handles a very specific but common need: making sure every file in a selection ends with the extension you actually want, whether that means fixing a mislabeled batch or standardizing a folder that grew inconsistent over time.
Turbo Bulk Renaming Tool automatically changes extensions with three options: keep the original extension untouched, force every file to a new extension you specify, or remove the extension entirely, all applied across your selection in a single pass.
The live preview reflects the extension change instantly, so you see the complete new filename, extension included, before committing anything. Extension changes combine with other renaming rules, so a batch that needs both a new naming pattern and a corrected extension can be handled in the same operation.
Beyond the core workflow built for bulk File Extension Changer, Turbo Bulk Renaming Tool includes the full renaming toolkit found throughout the application: regex-based find and replace for advanced pattern matching, EXIF date extraction for photo libraries, case conversion for consistent capitalization, character trimming to strip a fixed number of characters from either end of a filename, text insertion at any position, and recursive folder scanning that pulls in files from every nested sub-folder. Any of these tools can be layered on top of the rules described above, so a job that starts as a simple rename can grow into a complete naming convention without switching to a different application.
The application itself is a one-time purchase for Windows 10 and Windows 11, with no subscription, no watermarks added to renamed files, and no data ever leaving your PC during a rename operation. Every batch can be logged to CSV, XLSX, or TXT so you always have a written record of the original and new name for each file, and any combination of rules you build can be saved as a reusable preset, so a renaming job you configure today is ready to run again in a couple of clicks the next time the same kind of files come in.
For teams and individuals who rename the same kind of files repeatedly, the combination of live preview, saved presets, and exportable logs turns bulk File Extension Changer from an occasional chore into a routine, low-risk step in a larger workflow. You configure the rules once, confirm the result looks right, and from then on a job that used to take an afternoon of manual renaming takes a few clicks, with a clear written record left behind for anyone who needs to check exactly what changed and when.
- Install Turbo Bulk Renaming Tool on your Windows PC.
- Select the files whose extensions need changing.
- Open the extension handling settings.
- Choose Force Extension and specify the new extension.
- Add other renaming rules if the batch needs further changes.
- Review the live preview for the complete new filenames.
- Click Rename to apply the extension change automatically.
- Export a rename log for a written record.
- Double-check the live preview one more time for any file that looks unexpected.
- Save your configuration as a preset if this is a job you expect to repeat.
- If you're renaming a recurring job, note down the settings or save them as a preset so the next run takes seconds.
- Automatically changes extensions across an entire selection
- Keep, force, or remove extensions with a simple setting
- Live preview shows the complete filename before renaming
- Combine extension changes with other renaming rules
- Useful for fixing mislabeled or inconsistent extensions
- Exportable rename logs to CSV, XLSX, or TXT
- Runs fully offline with no upload limits
- One-time purchase for Windows 10 and Windows 11, with no subscription or watermarks
- Save and reload full renaming configurations as presets for repeat jobs
- Straightforward installer with no extra dependencies to configure
- Works with files on local drives, external drives, and network shares
- Safe cancel support for stopping an in-progress rename mid-batch
- Clear, side-by-side original and new filename listing in every exported log
Is this a file format converter?
No, this changes only the extension text in the filename; it doesn't convert the actual file format or contents.
Can I apply this to files with several different existing extensions?
Yes, forcing a new extension applies the same target extension regardless of what each file's original extension was.
Can I combine an extension change with other renaming rules?
Yes, extension handling settings apply alongside prefix, suffix, numbering, and find and replace rules in the same operation.
Will the change be reflected in the preview before I commit?
Yes, the live preview shows the full filename, including the new extension, before you click Rename.
Does this work on both Windows 10 and Windows 11?
Yes, Turbo Bulk Renaming Tool is built and tested for both Windows 10 and Windows 11.
Is my data safe when using this tool?
Yes, all renaming happens locally on your PC; no files are uploaded or sent anywhere, so private or sensitive files stay fully under your control.
Can I try a renaming rule without permanently committing to it?
Yes, the live preview lets you experiment with any rule and see the exact result before you click Rename, so nothing changes until you're ready.
Do I need to install anything else for this to work?
No, the installer includes everything needed; there are no separate dependencies or plugins to set up.
Can I rename files stored on an external or network drive?
Yes, you can select files from local drives, external drives, or mapped network shares, the same as any folder on your PC.
Can I cancel a rename operation partway through?
Yes, safe cancel support lets you stop an in-progress rename, and any files already renamed at that point stay renamed while the rest keep their original names.
What if I select a mix of files and folders together?
You can rename files and folders in the same selection; the same rule set applies to both, and the live preview shows the result for each.
Can I see exactly what changed after a rename is finished?
Yes, the exported rename log lists the original and new name side by side for every file, giving you a complete record of the operation even after the fact.
Does the tool support both files and folders in the same rule set?
Yes, the same prefix, suffix, numbering, and find and replace rules apply equally whether your selection contains files, folders, or a mix of both.
Is there a trial version available before buying?
Check the product page on turbo-soft.com for current trial availability and details.
Ready to change your file extensions automatically, fully offline?