File Renamer (Batch)
Rename multiple files at once
Convert files between popular formats with professional quality and fast processing. Our advanced conversion engine maintains original quality while ensuring broad compatibility across different platforms, devices, and applications.
100% Online
Works in your browser on Windows, Mac, Linux, or Chrome OS.
Fast & Efficient
Process files in seconds with our optimized conversion engine.
Privacy Protected
Your files are automatically deleted after processing.
High Quality
Professional-grade conversion with original quality preserved.
No Registration
Start converting immediately without creating an account.
Unlimited Access
Convert as many files as you need, completely free.
Upload File
Click the upload area or drag and drop your * file to get started.
Choose Format
Select your desired output format from the dropdown menu: *.
Download Result
Click convert and download your converted file in seconds - it's that simple!
Input Formats
Output Formats
Premium Quality
Advanced algorithms ensure the highest quality output with minimal compression artifacts.
Lightning Fast
Optimized processing servers deliver your converted files in record time.
Bank-Level Security
Your files are protected with enterprise-grade security and automatically deleted after processing.
File Conversion Best Practices
Converting files between different formats requires understanding the characteristics of each format and choosing the right settings for optimal results. Here are some essential tips for successful file conversions.
Quality vs File Size Balance:
Finding the right balance between file quality and size is crucial for different use cases:
- Web Use: Optimize for smaller file sizes with acceptable quality
- Email Attachments: Compress files to meet size limits
- Professional Work: Maintain highest quality for editing
- Archival Storage: Use lossless formats for long-term preservation
Common Conversion Challenges:
- Format Compatibility: Some formats have limited support across platforms
- Metadata Preservation: Important information may be lost during conversion
- Quality Loss: Multiple conversions can degrade file quality
- File Corruption: Always keep backups of original files
Office Workers
Convert documents between different formats for compatibility and collaboration.
Common Examples:
- • Word documents
- • Excel spreadsheets
- • PowerPoint slides
- • PDF reports
Students
Transform academic files for different assignments and submission requirements.
Common Examples:
- • Research papers
- • Presentation slides
- • Data analysis
- • Project reports
Small Business
Convert business files for different clients, platforms, and professional needs.
Common Examples:
- • Client proposals
- • Marketing materials
- • Financial reports
- • Training documents
Supported File Sizes
- Free Users: Up to 100MB
- Premium Users: Up to 1GB
- Batch Processing: Multiple files
Processing Speed
- Small Files (<10MB): <30 seconds
- Medium Files (10-50MB): 1-3 minutes
- Large Files (50MB+): 3-10 minutes
Security Features
- SSL Encryption
- Automatic File Deletion
- No Data Storage
Quality Settings
- High Quality: Lossless
- Medium Quality: Optimized
- Small File Size: Compressed