Bulk File Renamer (Batch Rename Files & Sequential
Batch rename hundreds of PDF documents, photos, and files simultaneously using custom prefixes, suffixes, sequential numbers, and find-and-replace rules.
Batch Rename Files Online Free
Upload your files to set sequential numbering (001, 002) and text replacement rules with instant ZIP export and 100% in-browser privacy.
Open Bulk File RenamerQuick answer
Organizing messy camera uploads or client PDF scans by hand is tedious and prone to formatting errors.
This batch renaming tool applies pattern rules and packages files into a ZIP archive 100% inside client browser memory.
Why batch rename with Photocopywala?
Flexible rules, instant preview, and private.
Multiple Renaming Rules
Combine Prefixes, Suffixes, Find & Replace, Case Changes, and Sequential Counters.
Real-Time Side-by-Side Table
Instant visual preview comparing original filenames to new output filenames.
100% In-Browser Privacy
Your documents and files stay strictly local inside browser memory. Zero cloud uploads.
Batch Renaming Capabilities
Supported file renaming patterns:
| Renaming Pattern | Example Input -> Output | Output Format | Primary Use Case |
|---|---|---|---|
| Sequential Numbering | Format: Prefix_001.ext to Prefix_999.ext | ZIP Archive Batch Export | Organizing Scanned Receipts & Invoices |
| Find & Replace Text | Sub-string Replacement & Case Change | ZIP Archive Batch Export | Cleaning Camera Photos & Photo Collections |
Keep file extensions intact (e.g. `.pdf` or `.jpg`) to ensure operating systems correctly identify file types after extraction from the ZIP archive.
How to batch rename files online
Follow these 3 easy steps:
Step 1 - Upload Multiple Files
Drag and drop your batch of files or select a folder.
Step 2 - Configure Renaming Rules
Set prefix, suffix, sequential numbering start index, or replace text.
Step 3 - Download Renamed Files ZIP
Preview the new filenames and click Download Renamed Batch ZIP.
Strict Private Local File Execution
All processing happens locally in your browser - your files are never sent to any server.
- Zero Cloud Transmissions: File renaming and ZIP packaging execute 100% locally in browser JavaScript.
- No File Retention: Files are wiped when you close or reload the browser tab.
- No Watermarks: Export clean, original-quality renamed files.
Best practices for document management
Tips for file cataloging:
Batch Resize Photos
Resize image dimensions using our Bulk Image Resizer tool.
Batch Generate QR Codes
Generate multiple QR codes simultaneously using our Bulk QR Generator.
Compress PDF Files
Compress document file sizes using our PDF Compressor KB tool.
Merge PDF Documents
Combine multiple PDF pages using our PDF Merge tool.
Frequently Asked Questions
Answers to common queries about batch renaming files online.
How does batch file renaming work online without uploading my files?
Our tool utilizes HTML5 File System and Blob APIs to rename files inside client memory and packages them into a clean ZIP archive for instant download. Zero file bytes are transmitted to external servers.
What renaming rules and patterns are supported?
Supports Prefix/Suffix addition, Find & Replace text, Sequential Numbering (001, 002, 003), Case Conversion (UPPERCASE, lowercase, Title Case), and Date-stamping.
Can I batch rename PDF documents, photos, and spreadsheets together?
Yes. You can upload any combination of file formats (PDF, JPG, PNG, DOCX, XLSX, MP3) and apply batch renaming rules across all items simultaneously.
Can I preview the original filename vs new filename before saving?
Yes. The real-time interactive preview table displays a side-by-side comparison of `Original Filename` and `New Output Filename` before you download.
Is there a limit on how many files I can batch rename?
Because processing takes place 100% locally on your device, you can batch rename hundreds of files at high speed without artificial restrictions.
Is this online tool free to use and do you store my uploaded documents?
Yes, this tool is 100% free with unlimited usage. All document rendering, calculation, and image processing run locally in your web browser memory with zero file storage on external servers.
Conversion Step
Need help preparing this file?
If your photo, signature, PDF, or document is still not accepted on a portal, contact us. We can help prepare the final file online.
We do not ask for OTP, passwords, Aadhaar login, MPOnline login or any government portal credentials.