Bulk file renamer software changes hundreds of file names in one pass, using patterns, counters, dates and embedded photo or music tags.
This guide ranks independent single-product vendors first, then weighs preview and undo safety, metadata reach, platform coverage, what a licence costs a company, and whether the tool stays useful beyond one narrow kind of file.
Vendors can pay for more visibility on this website, for example a higher place in a ranking or more room on a page. Commercial relationships can also affect which products we feature and how prominently. Every vendor link is marked the same, whatever the arrangement behind it. How that works.
In short
What bulk file renamer software does
Bulk file renamer software applies naming rules to many files or folders at once, previews the result and lets users undo a batch, replacing manual renaming in a file manager.
Five tests decide the order: setup effort, real cost, how your data leaves, whether you can walk away, and who the bulk file renamer tool was built for. Vendors outside the best-known names fill places 1 to 3 when they exist, and the big brands rank from place 4. The reasoning behind the five tests, and behind having no score out of ten, is set out on the how we work page.
No licence or price stated on the page read; download and support links
—
Owners of large music libraries who need tag-driven file names
Anyone renaming documents, photos or video files
We list the country the vendor operates from or contracts through. That is not the same as the hosting region, and any difference is spelled out in the entry.
One developer's rename tool covering Windows and Mac with scripting
Ranked #1 of 13 in Best Bulk File Renamer Software in 2026.
Pricing on requestElsewhere
The home page describes a desktop program for Windows and Mac with a live preview and undo for previous batches. Names can be built from EXIF or XMP image data, ID3 music tags and video tags, and patterns use regular expressions or wildcards.
A command line batch runner allows automation. The copyright line covers 2001 to 2026 for Hulubulu Software and Kim Jensen. No prices, plans, trial or country are stated.
What stands out
Cross-platform
Batch runner
Metadata naming
Where it costs you
The page read shows no price or licence terms, so cost cannot be budgeted from it.
No country, address or imprint appears on the page.
Right for
Mixed Windows and Mac offices that want one tool plus scripted runs
Wrong for
Buyers who need published prices before any trial
Not stated by the vendorPage lists neither plans nor prices; no trial named; local download
Rule-stack renamer with scripting for Windows power users
Ranked #2 of 13 in Best Bulk File Renamer Software in 2026.
Pricing on requestElsewhere
The product page lists an Installer and a Portable download for Windows. Rules run in order and can be stored as named presets; they cover insert, remove, replace, change case, change extension and sequential numbers.
Meta tags span music, photo, image, video, document and checksum data. Regular Expressions and a Pascal Script rule add custom logic, and Unicode names are supported. Copyright belongs to Furious Technologies Limited; no country is given.
What stands out
Rule stack
Pascal scripting
Portable build
Where it costs you
The Lite versus Pro limits are only linked, not stated, so the paid step is unclear.
It is a Windows program only, with no Mac build mentioned.
Right for
Windows users who need chained rules plus scripting for edge cases
Wrong for
Mac users or anyone wanting a clear price list
Not stated by the vendorLite and Pro editions referenced; prices and limits not shown
Windows renamer with filters, undo files and a portable version
Ranked #3 of 13 in Best Bulk File Renamer Software in 2026.
Pricing on requestElsewhere
The vendor, TGRMN Software, states that personal, private use at home is free of charge, and business or commercial use requires a commercial licence. Home and academic licences exist without prices on the page.
It is a local Windows install with a portable option. Renaming can draw on EXIF photo data and MP3 ID3 tags, filters accept wildcards, regex or JavaScript, and an undo batch file is available. No country is stated.
What stands out
Home licence
Regex and JavaScript filters
Portable version
Where it costs you
Business use needs a commercial licence, and the page shows no price for it.
It installs on Windows only, so Mac staff are left out.
Right for
Home users and small Windows teams wanting deep filters at no home cost
Wrong for
Companies expecting a free licence for work use
Not stated by the vendorPersonal home use costs nothing; commercial use needs a licence; prices not shown
Mac renamer refined since 1996, with spreadsheet and text imports
Ranked #4 of 13 in Best Bulk File Renamer Software in 2026.
Published pricingElsewhere
Frank Reiff has developed this Mac app since 1996. Purchases start from EUR 29.95 as a one-time price, with Single User through Enterprise, site and forever licences in the web store, plus a 60-day money-back guarantee and a free trial of unstated length.
Features cover live preview, sequence numbers, regular expressions, EXIF capture dates, filters per file type, presets, droplets and imports from spreadsheets or text files.
What stands out
Mac only
Name import
Presets and droplets
Where it costs you
Version 12.36 requires macOS 15 Sequoia or later, so older Macs are excluded.
Prices and seat limits for family, business and enterprise licences are not shown.
Right for
Mac users who must rename mixed file types, sometimes from a spreadsheet
Wrong for
Windows users, or Mac users on older macOS releases
Not stated by the vendorOne-time purchase listed from a published entry price; trial offered; refund window
Mac renamer with chained steps, droplets and presets that sync
Ranked #5 of 13 in Best Bulk File Renamer Software in 2026.
Published pricingElsewhere
Many Tricks lists a Buy Now option with a licence that stays valid forever and includes at least one year of updates, a smaller upgrade price for earlier customers and a Mac App Store listing.
A free trial sits behind the Download link. The app requires macOS 10.13 High Sierra or later. It offers over 150 metadata fields, chained operations, presets that sync, a history of 50 actions and Droplets.
What stands out
Mac only
150 metadata fields
Synced presets
Where it costs you
Only the first year of updates is promised, and later update terms are not shown.
The page names no country and carries no imprint text.
Right for
Mac users who reuse the same renaming recipes across several machines
Wrong for
Windows users and teams wanting shared team accounts
Not stated by the vendorPublished one-time licence with a year of updates; paid upgrade price; trial offered
Mac renamer with typed-in preview, saved presets and a sixty-day refund
Ranked #6 of 13 in Best Bulk File Renamer Software in 2026.
Published pricingElsewhere
The page offers Better Rename from EUR 29.95 for a single user, with Family, Small Business, Business and Enterprise licences sold in the web store and a 60-day money-back guarantee.
A free trial of unstated length exists, as does a Mac App Store listing. It is a DMG-installed Mac program. Changes preview as you type, several actions chain together, and presets can be applied by dropping files on the app icon.
What stands out
Mac only
Multi-step rename
Refund window
Where it costs you
Only the single-user price is shown, so family and business tiers cannot be compared.
The page names neither the company nor its country.
Right for
Mac users who prefer a smaller tool with dragged-in presets
Wrong for
Teams that need Windows support or a named vendor
Not stated by the vendorPublished entry price for one user; other licence tiers sold; trial available
Windows renamer that handles whole folder trees and long paths
Ranked #7 of 13 in Best Bulk File Renamer Software in 2026.
Pricing on requestElsewhere
Gillmeister Software offers a Windows program with a portable version, tried free through a download of unstated length. It renames folders together with subfolders and files in one step, including over a network, handles paths longer than 260 characters and takes new names from CSV files.
Names can follow EXIF, IPTC and ID3 data. Filters use extension, date or image size, and the live preview checks for duplicate names.
What stands out
Folder trees
Long paths
CSV name lists
Where it costs you
No prices or plan limits are published, so a buyer must open the order page.
It is a Windows desktop program, with no Mac version described.
Right for
Windows admins renaming deep folder structures across several network shares
Wrong for
Buyers who want to see prices before downloading
Not stated by the vendorPrices and plans not shown; trial by download; order page linked
Donation-supported Mac renamer with live preview and an image browser
Ranked #8 of 13 in Best Bulk File Renamer Software in 2026.
Free tierPublished pricingElsewhere
The page states that NameChanger is free, with no paid tiers, limits or trial, and invites donations of 5, 10, 15, 20 or 40 US dollars. It is a macOS app, version 3.4.4, needing OS X 10.13, downloaded as a zip.
Results update as you type. Rename types are replace, append, prepend, date, sequence, regular expression and change case. An Image Browser, text file input and a Finder right-click service are included.
What stands out
Mac only
Donation model
Image browser
Where it costs you
The page carries a 2018 copyright, so the pace of maintenance is unclear.
No privacy policy or country is stated on the page read.
Right for
Mac users wanting a no-cost tool for ordinary renaming and pictures
Wrong for
Anyone needing metadata-based naming or Windows support
Not stated by the vendorFree of charge with optional donations suggested; no tiers or trial
Open source renamer from SourceForge running on several operating systems
Ranked #9 of 13 in Best Bulk File Renamer Software in 2026.
Open sourcePricing on requestElsewhere
The SourceForge page describes OSI certified open source software under the GNU GPL, with a donation page and no price. It runs on Linux, Windows NT-family systems from 2000 to 7, Mac OS X, FreeBSD and Solaris.
Every item previews before changes are committed, and mistakes can be reversed. Subdirectories are processed, regular expressions work throughout and music and image files can be renamed from metadata. The author is Ianaré Sévi.
What stands out
GPL licence
Multi-platform
Metadata renaming
Where it costs you
The Windows list stops at version 7, so modern support is unconfirmed.
The page names the author but no country or company.
Right for
Linux or mixed-system users who want a renamer under the GPL licence
Wrong for
People who need a tool confirmed on current Windows
Not stated by the vendorOpen source under the GPL; donations accepted; no price stated
Free Windows renamer by one author, with source code available
Ranked #10 of 13 in Best Bulk File Renamer Software in 2026.
Free tierPublished pricingElsewhere
The page describes a free Windows tool by Antoine Potten, with optional PayPal or card donations and source code available, though no licence name is given. A 'Made in Belgium' badge appears, but no imprint states the country.
The program renames many files and folders at once using specified settings and supports Unicode names. A separate rewrite in C++ and Qt by Morfredus targets Windows 10, 11 and Linux.
What stands out
Free
Source available
Unicode names
Where it costs you
The page lists no metadata renaming or scripting, so advanced jobs are out of reach.
The page names no licence, only that source code is available.
Right for
Users who want a plain free renamer with open code
Wrong for
Photographers or musicians renaming from embedded tags
Not stated by the vendorFree of charge, source code available; optional donations
Microsoft PowerToys search-and-replace renamer inside the Windows Explorer menu
Ranked #11 of 13 in Best Bulk File Renamer Software in 2026.
Pricing on requestElsewhere
The Learn page presents PowerRename as one PowerToys utility with feedback sent to GitHub issues. It supports bulk search and replace with ECMAScript regular expressions, an optional Boost setting for lookbehind, a preview pane and undo.
Replace fields accept counters, creation dates and times, random strings, UUID v4 values and case changes. EXIF and XMP variables such as camera model, ISO and GPS are available, all running locally from the Explorer menu.
What stands out
PowerToys
Explorer menu
Regex
Where it costs you
The documentation page names no price or licence terms.
It works on Windows only and is one utility inside a wider toolkit.
Right for
Windows users wanting quick regex renames from the right-click menu
Wrong for
Teams needing scripts, folder rules or Mac support
Not stated by the vendorPart of PowerToys; page names no price or licence
Media-library renamer that matches films and shows against online databases
Ranked #12 of 13 in Best Bulk File Renamer Software in 2026.
Published pricingElsewhere
Copyright is held by Point Planck Limited, with no country given. A one-year universal licence and a lifetime universal licence are listed, valid on all platforms and several machines.
Installers cover Windows, macOS, Linux and FreeBSD, plus NAS, unRAID and Docker packages. It renames against TheMovieDB, TheTVDB and AniDB, fetches subtitles by file hash, verifies checksums and offers a command line and scripting engine.
What stands out
Media naming
Plex and Kodi
Command line
Where it costs you
Its matching targets movies, TV and anime, so ordinary documents gain little.
Evaluation terms are not specified on the page read.
Right for
Home media collectors organising films and shows for Plex or Kodi
Wrong for
Office staff renaming documents, invoices or photos
Not stated by the vendorPublished one-year and lifetime licences; evaluation before purchase
Audio tag editor whose tag-to-filename renaming is a side feature
Ranked #13 of 13 in Best Bulk File Renamer Software in 2026.
Pricing on requestElsewhere
Florian Heidenreich's page offers download and support links but states no licence or price. Batch tag editing covers ID3v1.1, ID3v2.3 and 2.4, iTunes MP4, WMA, APEv2 and Vorbis Comments.
Tags can be imported from Discogs, freedb and MusicBrainz, with cover art added. Files are renamed from their tags, find and replace accepts regular expressions, and lists export to HTML, RTF and CSV through custom templates.
What stands out
Audio tags
Tag import
Side feature
Where it costs you
It renames from audio tags only, so non-music files gain nothing.
The page read states neither licence nor price.
Right for
Owners of large music libraries who need tag-driven file names
Wrong for
Anyone renaming documents, photos or video files
Not stated by the vendorNo licence or price stated on the page read; download and support links
Bulk file renamer software applies naming rules to many files or folders at once, previews the result and lets users undo a batch, replacing manual renaming in a file manager. Differences that change the outcome seldom sit in the features. Here is the sequence we would follow.
01
Check who publishes a price
7 vendors on this page sell by quote, while 6 publish a pricing model you can read today: A Better Finder Rename, Name Mangler, Better Rename, NameChanger, Ant Renamer, FileBot.
02
Ask which country the contract runs through
Where a company is established decides which courts and regulators can reach it. Here that means 1 countries: Elsewhere 13.
03
Decide if open source matters
Source code is available for Métamorphose. Running it yourself swaps the licence fee for your own upkeep.
Bulk file renamer software: preview and undo before anything else
A rename that goes wrong across four thousand files is hard to repair by hand, so the first test of any renamer is how it lets you see and reverse a batch. Advanced Renamer shows names in real time and can undo earlier batches. Bulk Rename Utility previews names and writes an undo batch file with activity logging. Métamorphose previews every item before changes are committed and can reverse a mistake.
Run each candidate on a copy of a messy folder, apply a deliberately clumsy rule, and confirm you can return to the original names without opening a backup. Check what happens after you close the program, because an undo that disappears on exit offers little protection to someone who notices a mistake the next morning.
Apply a wrong rule to a copied folder and undo it
Check whether undo survives closing the program
Confirm the preview flags duplicate names
Metadata renaming: Advanced Renamer, ReNamer and PowerRename compared
Renaming photos by capture date or songs by artist depends on how much embedded data a tool can read. PowerRename exposes EXIF and XMP variables such as camera model, ISO, aperture and GPS. Advanced Renamer reads EXIF, XMP, ID3 and video tags. ReNamer covers music, photo, image, video, document and checksum tags, and Rename Expert adds IPTC.
NameChanger lists replace, append, date, sequence and case changes but no metadata renaming, so it fits plain text work better. List the exact fields your files carry, such as date taken or track number, and test whether each candidate can place them into a file name pattern on a sample set, since the named support differs from one tool to the next and a missing field can leave a gap in the final name.
List the metadata fields your files really contain
Test a date-taken pattern on ten sample photos
Check that missing tags do not leave blank names
Mac and Windows: pick the renamer that fits your computers
Most renamers here serve one platform. Bulk Rename Utility, ReNamer, Ant Renamer and Rename Expert target Windows. A Better Finder Rename, Better Rename, Name Mangler and NameChanger are Mac programs, and the last two list minimum system versions of macOS 10.13 or later, while A Better Finder Rename 12.36 needs macOS 15.
Advanced Renamer runs on both Windows and Mac, and Métamorphose runs on Linux, Windows, Mac OS X, FreeBSD and Solaris. A mixed office benefits from one tool that covers both systems; a Mac-only design studio can choose from a wider set. Check the operating system version on your oldest machine before downloading anything, and prefer a portable build where installing software needs approval from an administrator.
Note the oldest operating system version in use
Count how many staff use Mac and how many Windows
Check portable builds if installs are restricted
Licence terms: free for home use is not free for the office
Several tools change terms between private and work use, so read the licence before rolling one out. Bulk Rename Utility is free for personal use at home, while commercial use needs a commercial licence with no price on the page. Name Mangler sells a licence valid forever with at least one year of updates.
FileBot lists one-year and lifetime licences. NameChanger is free and donation-supported. Ant Renamer is free with source code available, and Métamorphose uses the GNU GPL. Write down who will use the tool, whether it is for work, and how many machines it will run on, then ask the vendor for the missing price in writing before buying.
Confirm whether work use needs a paid licence
Ask for prices where the page shows none
Check how long updates are included
What goes wrong most often when buying bulk file renamer software
Choosing a media tool such as FileBot or a tag editor such as Mp3tag for ordinary office documents it was never built to handle.
Running a first batch on the only copy of a folder instead of testing the rule on duplicates.
Assuming a home-use licence covers company staff, as Bulk Rename Utility states it does not.
Buying a Mac renamer without checking the minimum macOS version, which A Better Finder Rename now sets at macOS 15.
07
Frequently asked questions
7 answers
What is the best bulk file renamer software in 2026?
Our ranking of 13 puts Advanced Renamer first. Advanced Renamer is written by Kim Jensen under the Hulubulu Software name and has been maintained since 2001.
It runs on Windows and Mac, previews names live, undoes earlier batches and ships a command line runner for scheduled jobs. The page read shows no price, licence terms or country, so a buyer must confirm cost and company location elsewhere before standardising on it.
Which bulk file renamer tools publish their pricing?
6 of the 13, with the pricing model each one publishes:
A Better Finder Rename: One-time purchase listed from a published entry price; trial offered; refund window.
Name Mangler: Published one-time licence with a year of updates; paid upgrade price; trial offered.
Better Rename: Published entry price for one user; other licence tiers sold; trial available.
NameChanger: Free of charge with optional donations suggested; no tiers or trial.
Ant Renamer: Free of charge, source code available; optional donations.
FileBot: Published one-year and lifetime licences; evaluation before purchase.
Everything else on the list is priced on request.
Is there a free bulk file renamer tool?
NameChanger, Ant Renamer offer a free tier or a free self-hosted edition.
Where are these bulk file renamer software vendors established?
The headquarters are spread over 1 countries and 1 regions, Elsewhere 13:
Advanced Renamer: Not stated by the vendor.
ReNamer: Not stated by the vendor.
Bulk Rename Utility: Not stated by the vendor.
A Better Finder Rename: Not stated by the vendor.
Name Mangler: Not stated by the vendor.
Better Rename: Not stated by the vendor.
Rename Expert: Not stated by the vendor.
NameChanger: Not stated by the vendor.
Métamorphose: Not stated by the vendor.
Ant Renamer: Not stated by the vendor.
PowerRename: Not stated by the vendor.
FileBot: Not stated by the vendor.
Mp3tag: Not stated by the vendor.
Which bulk file renamer tools are open source?
Métamorphose.
What should you use instead of Advanced Renamer?
The next in line are ReNamer, aimed at Windows users who need chained rules plus scripting for edge cases, and Bulk Rename Utility, aimed at Home users and small Windows teams wanting deep filters at no home cost.
Who should not buy Advanced Renamer?
Buyers who need published prices before any trial. The page read shows no price or licence terms, so cost cannot be budgeted from it..
Do you make a bulk file renamer software product that is not listed here? Describe what it does and who buys it. We decide on inclusion, a listing cannot be bought, and the details are under software advice.
