File Size Checker Online Free
Quickly analyze any file in your browser! Our File Size Checker provides:
- Exact file size in bytes, KB, MB, or GB
- MIME type detection to know file format
- Image dimensions (width × height) and video duration
- Batch processing up to 10 files simultaneously
Why File Analysis Matters
Understanding your files before uploading or sharing is important for multiple reasons:
- Verify upload limits for email, cloud storage, or social media.
- Check video lengths and dimensions for web or streaming platforms.
- Ensure backups or archives match the original files in size and type.
- Plan storage requirements efficiently by knowing exact sizes.
- Validate file formats to avoid incompatible uploads.
Supported Features
- Exact byte count with formatted sizes (KB/MB/GB)
- MIME type detection (image, video, audio, document, etc.)
- Image resolution (width × height) for JPEG, PNG, GIF, etc.
- Video duration for MP4, WebM, MOV, AVI, etc.
- Batch processing of up to 10 files at once
- 100% client-side, no file upload for privacy
Common File Upload Limits
- 📧 Gmail: 25 MB per attachment
- 📱 WhatsApp: 100 MB per file
- 🎥 YouTube: 256 GB per upload
- 💾 Browser local limit: ~2 GB per file