Online File Analyzer - Detect MIME Type & File Format Free

📄 File Tool

Analyze binary files and detect MIME types - entirely in your browser

✓ MIME Type Detection ✓ File Headers ✓ Magic Bytes ✓ No Upload
🔒 100% Client-Side - Files never leave your device
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Drop any file here to analyze
Supports files of any size - analysis happens locally in your browser

About File Tool

This tool analyzes files entirely in your browser without uploading anything:

🔒 Privacy First

Files are analyzed locally using JavaScript. Nothing is sent to any server.

📈 No Size Limit

Analyze files of any size - even several gigabytes - since processing is local

🔎 Magic Bytes

Detects file type by examining the actual file header bytes, not just extension

⚡ Instant Results

Results appear immediately without waiting for upload or server processing

Encoding and Data Utilities

Encode, decode, measure sizes, and transform common formats.

Search Tutorials