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Image Format Identifier

Reveal the true type from file headers.

✓ Verified 2026 📅 Updated: ⚡ Instant Client-Side 🔒 Zero Tracking
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About Image Format Identifier

Drop in a file to detect PNG, JPEG, WebP, GIF, SVG, and more from magic bytes.

📐 Methodology & Reference Accuracy: Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.

🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.

Image Format Identifier – free online image tools
Image Format Identifier – free online image tools

Background reading: Image Format Identifier on Wikipedia. More: all image tools.

Frequently Asked Questions about Image Format Identifier

How do I use the Image Format Identifier?

Open the Image Format Identifier and use the controls in the workspace below: reveal the true type from file headers. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.

Is the Image Format Identifier free?

Yes. The Image Format Identifier is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.

Does the Image Format Identifier store or share my data?

No. The Image Format Identifier runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.

What can I use the Image Format Identifier for?

Drop in a file to detect PNG, JPEG, WebP, GIF, SVG, and more from magic bytes. You will find it grouped under Image Tools together with 18 other free tools on the PrimeFreeTools homepage.

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