🔧 Bulk File Extension Changer
Change file extensions for multiple files instantly with our powerful online tool
What is a Bulk File Extension Changer?
A bulk file extension changer is a powerful utility that allows you to modify the file extensions of multiple files simultaneously. Instead of manually renaming each file one by one, our tool enables you to change dozens or even hundreds of file extensions in just a few clicks.
Key Features & Benefits
Lightning Fast
Process hundreds of files in seconds with our optimized bulk processing engine.
Precise Control
Target specific file types or change all extensions with advanced filtering options.
ZIP Download
Download all processed files as a convenient ZIP archive or individually.
100% Secure
All processing happens in your browser. No files are uploaded to our servers.
Why Use Our Bulk Extension Changer?
- Save hours of manual work when dealing with large file collections
- Perfect for developers, designers, and content creators
- No software installation required - works directly in your browser
- Supports all file types and extensions
- Real-time preview of changes before processing
- Drag and drop interface for easy file selection
- Mobile-friendly design works on all devices
How to Use the Bulk File Extension Changer
Step 1: Upload your files by dragging and dropping them into the upload area or clicking "Choose Files" to browse your computer.
Step 2: Specify the source extension (optional) in the "From Extension" field. Leave blank to change all files.
Step 3: Enter your desired new extension in the "To Extension" field (e.g., txt, pdf, jpg).
Step 4: Click "Change Extensions" to process your files.
Step 5: Download your files individually or as a ZIP archive.