Image Inspector
Inspect format, dimensions, alpha, animation, and metadata of any image file.
ここにimageをドロップ
またはコンピュータやスマートフォンのファイルを参照
How to use Image Inspector
Select or drop any image file.
The inspector reads magic bytes to identify the true format.
Review dimensions, aspect ratio, alpha, animation, and metadata flags.
Export a JSON report if you need to keep the analysis.
Frequently Asked Questions
Why detect format from magic bytes?
File extensions can lie (for example, a WebP renamed to .jpg). Magic-byte detection identifies the actual encoding, which matters for compatibility.
Does the inspector modify my file?
No. The inspector is strictly read-only. Your file is never altered.
What is 'estimated quality'?
For JPEGs we estimate the quality tier from compression metadata. It is an estimate for guidance, not an exact measurement.
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