Batch File Renamer: Rename
Multiple Files at Once
The batch rename tool that reads your documents. Drop invoices, contracts, or photos - our AI - powered bulk file renamer extracts vendor names, dates, and amounts, then mass renames hundreds of files in seconds.
Built for accountants, law firms, HR teams, and anyone drowning in poorly-named files.
Files Stay On Your Device
Documents processed locally—ideal for confidential invoices and contracts
Enterprise-Grade Security
Bank-level encryption trusted by accounting and law firms
Privacy First
GDPR compliant—safe for HR documents and sensitive records
Sound Familiar?
The daily frustrations of disorganized files
Scanner Chaos
Scan_001.pdf, Scan_002.pdf, Scan_003.pdf... 127 invoices from accounting, all named identically. Without a batch file rename tool, finding the right one means opening them all.
Meaningless Names
Document.pdf. Contract (3).pdf. Final_FINAL_v2.pdf. Is it the Q3 report or the vendor agreement? Open each one to find out. Accountants and legal teams waste hours on this.
The Manual Grind
Right-click. Rename. Type carefully. Repeat 200 times. One typo? Start over. You need a bulk file rename solution—not another Friday lost to manual work.
There's a better way. And it doesn't require learning anything new.
Templates That Work For You
Use our pre-built patterns or create your own in seconds
Drag tokens to build your naming pattern
4 system templates included. Create unlimited custom templates.
How It Works
How to Bulk Rename Files in 4 Steps
Our batch file rename process works with plain English—no regex or complex patterns required
1Drop Your Files
Drag invoices, contracts, photos—any files you need to rename in bulk. Our batch rename tool handles 10 files or 500 at once. Processing starts instantly.
2Pick a Template
Choose Invoice, Contract, or Project templates—or let our mass file renamer auto-detect document types. Perfect for accountants, legal teams, and HR departments.
3Review Every Name
See exactly what every filename becomes before committing. Spot an error? Edit it. Not happy? Rename files in bulk with a different template.
4Rename Multiple Files
One click. Done. 500 files renamed in seconds. Changed your mind? One-click undo restores everything. That's the power of a true batch file rename tool.
AI-Powered
It Understands What's Inside
Invoice #INV-2847 from Acme Corp, dated March 15, 2024, total amount $4,250.00, payment due April 14
Acme_Corp_Invoice_2024-03-15_$4250.pdf
Master Service Agreement between Johnson & Associates and Peterson Industries, executed January 8, 2024, 3-year term
Johnson_Associates_MSA_2024-01-08_3yr.docx
Product photography of Widget Pro device, front angle view, white background, marketing assets folder
Widget_Pro_Product_Photo_Front_Marketing.png
Monthly Expense Report for Sarah Chen, Marketing Department, November 2024, total expenses $3,847
Expense_Report_Sarah_Chen_Marketing_Nov_2024.xlsx
No manual tagging. No metadata entry. The AI extracts what matters and names your files accordingly.
Templates
Start Fast. Customize Freely.
Invoice Organizer
End the AP nightmare. Every invoice instantly findable by vendor, date, or amount. Tax season becomes trivial.
Contract Library
Audit-ready legal files in seconds. Find any agreement instantly when clients call or auditors ask.
Monthly Reports
Consistent naming across every team, every month, every year. No more hunting for last quarter's sales report.
Sequential Numbering
Perfect chronological order automatically. Sort by date, client, project-whatever matters to you.
Or skip templates entirely—just describe what you want and go.
Features
Built for Real Work
Preview Before Renaming
See exactly how 'Scan_001.pdf' becomes 'Acme_Invoice_2024-03-15.pdf' before committing. Batch rename with zero risk—approve every change first.
Rename 500 Files in Seconds
Bulk file rename at scale. Drop your entire Downloads folder, invoices archive, or photo library—our batch rename tool processes them all in one click.
One-Click Undo
Renamed 200 files and changed your mind? One click restores every original filename instantly. Complete rename history preserved forever.
Files Never Leave Your Device
Your documents stay on your computer. We never store, copy, or retain your files. Perfect for confidential invoices, contracts, and HR documents.
25+ File Types Supported
Bulk rename PDFs, Word docs, Excel spreadsheets, photos, scanned documents—all the formats accountants, legal teams, and enterprises use daily.
Intelligent Ordering
Mass file renamer that sorts automatically—by date, vendor, project, or custom sequence. No manual organizing. Just drop files and let AI handle it.
Use Cases
Rename Files in Bulk: Real Use Cases
Downloads Folder Cleanup
"I've got 8 months of downloads. 342 files. Everything is document.pdf, image (47).png, download (3).xlsx. I can't find anything without opening every single file."
Drop them all in. AI reads the contents and renames intelligently. Bank_Statement_Chase_Oct_2024.pdf. Product_Roadmap_Q3.xlsx. Wedding_Invitation_Sarah_Mike.pdf. Instantly searchable.
PDF Renamer for Invoices & Contracts
"I have 400 PDFs from accounting: Invoice.pdf, Invoice (1).pdf, Contract.pdf, Document.pdf. Each one needs to be named by vendor and date. Opening each file to check takes forever."
Our PDF renamer reads inside every document automatically. It extracts vendor names, invoice numbers, dates, and amounts - then renames instantly. Acme_Corp_Invoice_2024-03-15.pdf. No manual checking required.
Photo Renamer for Image Libraries
"My camera names everything IMG_0001.jpg. I have 2,000 product photos, event shots, and marketing images. Sorting through them manually would take days."
Drop your photos in and let AI analyze each image. Product shots get named by item and angle. Landscapes by location and scene. Marketing images by content and style. 2,000 photos renamed in minutes, perfectly organized.
Scanner Workflow
"Our office scanner processes 200+ documents every week. Every single one is Scan_001.pdf, Scan_002.pdf... Filing them manually takes 4 hours every Friday."
Drop all scans, type "rename by document type, vendor, and date." AI reads invoices, contracts, receipts - names them perfectly. 200 files organized in under 2 minutes. Your Friday afternoons are yours again.
Document Standardization
"We have 12 team members. Everyone names files differently. ClientNameDOC.pdf. final-report-2.docx. Project_ABC_revised_FINAL_v3.xlsx. Finding anything requires psychic powers."
Create one company-wide template. [Client]_[Project]_[DocType]_[Date]. Apply it to all existing files in one batch. Enforce it going forward. Instant consistency, zero confusion.
Audit Preparation
"Auditors just requested 600 financial documents with specific naming: [Year]_[Quarter]_[DocType]_[Vendor]. We have until Monday. It's Thursday night."
Type the exact convention they want. Preview 600 renamed files instantly. Make any tweaks. Apply. Send to auditors Friday morning. Crisis averted.
Testimonials
Trusted by Accountants, Law Firms & HR Teams
Pricing
Start Free. Scale When Ready.
Simple, transparent pricing that grows with your needs
Ready to Bulk Rename Your Files?
Stop renaming files one by one. Our mass file renamer handles hundreds of invoices, contracts, and photos in seconds—using AI to batch rename with meaningful names.
Join 10,000+ users who've renamed millions of files
Your files stay on your computer. We never see them.
Have a question or need help? Contact us directly.
Have any questions?
If you have unique requirements that aren't covered by our plans, feel free to contact us,
we'll find a solution that works for you!
Batch File Renamer FAQ
Everything you need to know about renaming multiple files at once
What is the best batch file rename tool?
The best batch file rename tool is one that reads your documents, not just their filenames. renamer.ai uses AI to analyze invoices, contracts, and photos—extracting vendor names, dates, amounts, and key details to create meaningful filenames automatically. Unlike basic bulk rename utilities that only add prefixes or sequential numbers, our tool understands what's inside each file.
How do I rename multiple files at once?
With renamer.ai, our mass file renamer handles bulk file rename in four simple steps: (1) Drop your files into the app—invoices, contracts, photos, anything. (2) Pick a template like Invoice or Contract, or describe what you want in plain English. (3) Preview every new filename before committing. (4) Click rename—hundreds of files renamed in seconds. No regex, no complex patterns.
How do I bulk rename files on Windows or Mac?
Download renamer.ai for Windows or Mac—it installs in under a minute. Unlike built-in tools that require memorizing commands or patterns, our batch rename tool lets you describe what you want in plain English. 'Name these by vendor and date' or 'add invoice numbers from inside each PDF.' The AI handles the rest. Works identically on both platforms.
How do I mass rename files by their content?
Our mass file renamer uses AI to read what's inside each document—not just the filename. Drop your files, and the AI extracts key information like vendor names, invoice numbers, dates, and amounts from PDFs, scanned documents, and images. Then it automatically generates descriptive filenames based on that content. No manual data entry, no opening files one by one.
Can I rename PDF files based on their content?
Yes - our PDF renamer reads inside every document automatically. It extracts vendor names, invoice numbers, dates, amounts, contract parties, and more. Drop 400 invoices named 'Scan_001.pdf' and get back 'Acme_Corp_Invoice_2024-03-15_$4250.pdf' - all without opening a single file yourself.
Does renamer.ai work as a photo renamer?
Absolutely. Our photo renamer uses AI vision to analyze each image and rename intelligently. Product photos get named by item and angle. Event shots by date and subject. Marketing images by campaign. Drop 2,000 photos named IMG_0001.jpg and get back organized, searchable filenames in minutes.
How does it read what's inside my files?
Our AI uses advanced OCR and document analysis to instantly extract text, dates, vendor names, amounts, and key information from inside your files. PDFs, scanned images, photos of documents - if there's text visible, we read it and understand it.
What if I don't like how a file will be renamed?
You approve every single rename before it happens. Spot an error? Edit that file individually, refine your instructions, or exclude it from the batch. Nothing changes until you're 100% satisfied with the preview.
Can I undo after renaming?
Absolutely. One click restores all original filenames instantly. We maintain a complete history of every rename operation, so you can always go back - no matter when you change your mind.
Are my files secure?
Your files are processed securely and never stored. Once renaming is complete, file data is immediately discarded. We don't keep copies, build profiles, or share anything. Your documents remain yours alone.
What file types can I batch rename?
Our batch file rename tool supports all common document and image formats—PDFs, Word docs, Excel spreadsheets, PowerPoint, images (PNG, JPG, HEIC, WebP), and more. Over 25 supported formats covering everything accountants, legal teams, and HR departments use daily. Bulk rename all files in a folder regardless of type, or filter by specific formats.
Is there a limit to how many files I can batch rename?
Each plan includes a generous monthly allowance - from 25 files on Free up to 5,000 on Ultimate. Within a single batch, you can process hundreds of files at once with instant results.
What if the AI gets the name wrong?
You'll catch it in the preview before any damage is done. Edit individual results, tweak your instructions, or exclude specific files from the batch. Full control, zero risk.
How do I get started?
Download the app - it installs in under a minute with zero configuration. Open it, drop your files, and start renaming immediately. Works on Windows and Mac.