Batch rename at scale
Process large collections of photos, media, documents, project assets, and folders in one operation.
Designed for responsive background processing.
RENAMER
Batch file renaming for Windows and macOS
Professional Batch File Renamer for Windows & Mac
Build precise naming rules, inspect every result in a live preview, and organize thousands of files and folders without uploading anything. Apply verified changes to disk whenever you are ready.
All tools available before purchase
Live preview for every rule
Files stay on your device
Live preview before disk changes
100+ options for precise results
Windows & Mac
Native desktop editions
100+ options
From simple edits to regex
Local processing
No file uploads
Lifetime license
One payment, no subscription
Core features
Everything required for fast, controlled batch renaming
Renamer combines an approachable interface with a flexible rule engine, so routine cleanup and complex naming projects follow the same clear workflow.
Flexible rule builder
Combine text edits, numbering, case changes, metadata, tokens, and regular expressions in the order you need.
Simple controls with advanced depth.Preview-led safety
Review the proposed name for every item before Renamer writes any change to your filesystem.
Undo and recovery tools add confidence.
Windows and macOS
A focused desktop experience on both platforms
Use the same reliable renaming workflow while retaining the familiar behavior of your operating system.
Windows edition
Bulk file renaming for Windows
Organize folders, photo libraries, downloads, music, documents, and development assets with high-volume processing and precise rule control.
- Native Windows workflow
- Files and folders in the same batch
- Metadata, tokens, regex, and counters
macOS edition
Professional file renaming for Mac
Create consistent filenames for creative work, client deliverables, photo collections, research, and everyday file organization through a clean native interface.
- Familiar macOS experience
- Local, private file handling
- Live output preview before applying
Complete toolkit
More than 100 ways to construct the right filename
Start with a single edit or combine multiple operations into a reusable naming workflow.
Add prefix
Attach text before every filename.
Add suffix
Append consistent text at the end.
Find and replace
Replace or remove exact text and patterns.
Regular expressions
Use advanced pattern matching when needed.
Change letter case
Convert names to upper, lower, or title case.
Sequential numbering
Add ordered counters with custom padding.
Date and time tokens
Insert current or file-based timestamps.
Metadata tokens
Build names from supported file properties.
Extension editor
Review and update file extensions safely.
Folder renaming
Include directories in organized batches.
Trim and remove
Clear unwanted characters and whitespace.
Reorder text
Move filename segments into a new order.
Text extraction
Retain selected portions of existing names.
Photo organization
Standardize large image collections quickly.
Audio tag renaming
Use embedded metadata for music libraries.
Live preview
Inspect the final output before applying it.
Undo support
Reverse completed rename operations.
Stacked rules
Combine operations into one controlled pass.
How it works
From an untidy folder to consistent names in three steps
Experiment freely, verify the complete result, and apply only when everything is correct.
Add files and folders
Select individual items or entire directories. Filter and arrange the batch before building rules.
Build the naming rules
Combine simple edits, numbering, metadata, tokens, and advanced patterns in the sequence you require.
Preview and apply
Inspect every proposed filename. All tools and previews are available before activation; a Renamer Pro license is required only to commit the approved names to disk.
Simple licensing
Evaluate the complete workflow before you purchase
There is no restricted toolset and no subscription. Activate Renamer Pro when you are ready to write changes.
Build and verify with confidence
Download the same Renamer application used by licensed customers. Add files, use every renaming tool, combine rules, and inspect the full live preview before making a purchase decision.
- Complete rule builder
- Unlimited workflow experimentation
- Full filename preview
- Applying changes to disk requires activation
Lifetime access
Professional license
Renamer Pro
$39.99
one time
One purchase. No recurring subscription.
- Apply approved filename changes to disk
- Rename files and folders in large batches
- Every advanced rule, token, and metadata tool
- Undo and recovery features
- Multi-device activation allowance
- Lifetime access for the purchased version
- Priority email support
Frequently asked questions
Clear answers about workflow, privacy, and licensing
Need help with a purchase or activation? Contact the Renamer support team.
Contact supportRenamer is a desktop batch file renaming application for Windows and macOS. It lets you combine rename rules, inspect live results, and organize large groups of files and folders.
Yes. Every renaming tool and live preview is available before activation, so you can build and verify the complete result. A Renamer Pro license is required only when you apply those changes to files on disk.
No. File processing takes place locally on your computer. Renamer does not upload your files, folders, or filenames for renaming.
Yes. Files and folders can be included in the same organized workflow, with a live preview showing the proposed result.
Yes. Advanced find-and-replace operations support regular expressions for precise pattern matching and complex filename transformations.
Renamer is designed for large batches, including thousands of files and folders. Actual performance depends on your computer and storage device.
Renamer includes undo and recovery features for completed operations. For irreplaceable data, maintaining a separate backup remains good practice.
No. Renamer Pro is sold as a one-time lifetime license with no recurring subscription fee.
No. Renaming and previews run locally. Internet access is needed for downloading the installer, activating a license, receiving updates, and sending optional diagnostics.
Yes. Renamer is designed for photographers, developers, content teams, researchers, administrators, and other professionals who manage structured file collections.
Guides and tutorials
Practical advice for cleaner file organization
Learn reliable naming strategies for Windows, project folders, media libraries, and large file collections.
How to rename multiple files at once
A complete workflow for organizing a large group of filenames without losing control of the result.
Read the guideHow to change a file type in Windows 11
Understand extensions and apply consistent changes while protecting the underlying files.
Read the guideA practical batch file renamer guide
Choose naming conventions that keep shared projects, downloads, photos, and archives searchable.
Read the guide
Ready to organize your files?
Build your complete renaming workflow before you buy.
Download Renamer, use every tool, and activate Pro when the preview is ready to apply.