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File Type Detector Online

Inspect magic header bytes to identify genuine file types.

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Select or Drop File Type Detector File

Files are processed 100% locally in your web browser. Zero server uploads.

What is the File Type Detector?

Detect real file MIME types and formats by analyzing binary magic headers, even if the file extension is missing or wrong.

Why Use This Tool: Quickly performing file type detector tasks without software installations.

Designed For: Individuals needing fast, reliable in-browser utilities without cloud privacy concerns.

Key Features of File Type Detector

✓100% in-browser client-side processing
✓Zero server file uploads ensures complete privacy
✓Instant results with no account or subscription required
✓Works across all desktop, tablet, and mobile browsers

How to Use the File Type Detector Online

  1. Upload any mystery or corrupted file.
  2. Inspect magic bytes hex header and detected MIME type.

Privacy & Technical Specifications

100% Client-Side.

Output Format: File identification report

Processing Engine: 100% Client-Side (In-Browser)

Maximum File Size: 50 MB

Server Storage: None (Zero file upload, processed in local memory)

Frequently Asked Questions about File Type Detector

How do I use the File Type Detector?

Open the tool, enter your inputs or upload your files into the workspace, and receive your processed output immediately.

Are my files or data uploaded to a remote server?

No. Toolketly operates 100% client-side in your web browser using modern WebAssembly, JavaScript, and HTML5 Canvas engines. Your private documents, images, and data never leave your computer or phone.

Is the File Type Detector completely free to use?

Yes, this tool is 100% free with no registration, no email signup, no subscriptions, and no hidden watermarks added to your files.

What file formats and sizes are supported?

This tool supports Any file input files and exports in File identification report format. Processing runs locally in your device memory up to 50 MB.

Can I use this File Type Detector on mobile devices?

Yes! Toolketly is fully responsive and functions seamlessly across all modern browsers on iOS, Android, macOS, Windows, and Linux without requiring any app or software installation.

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