Image Inspector & Metadata Analyzer
Inspect EXIF tags, dimensions, channel histograms, and dominant color palettes.
Drop an image to inspect metadata & histogram
PNG, JPEG, WebP, SVG, AVIF, or TIFF. Analyzed 100% in your browser.
System Architecture: Image Inspector & Metadata Analyzer
Deterministic, client-side execution path from raw input pixel buffer to production artifact.
Parses byte streams for TIFF/JFIF markers, camera sensor tags, focal length, aperture, and color space metadata.
Iterates through 32-bit pixel buffers to compute Red, Green, Blue, and Luminance frequency distribution histograms.
Reduces color space to extract top dominant color clusters and computes uncompressed RAM footprint metrics.
How It Works
Understand the process and the deterministic browser engineering behind this utility.
1. Select Any Visual File
Upload any PNG, JPEG, WebP, SVG, AVIF, or TIFF image. The raw binary stream is read directly into memory.
2. Deterministic Pixel & Binary Passes
The file is parsed in two parallel passes: an APP1 EXIF segment binary scan and a single-pass 256-bin channel histogram calculation.
3. Extract Swatches & Inspect Pixels
Hover over any pixel coordinate to read exact RGBA/HEX values, or copy quantized dominant brand swatches with one click.
Deterministic Execution Pipeline
Zero-Cloud, High-Performance Client Processing
Channel histograms are computed in a single cache-efficient pass over the Uint8ClampedArray pixel buffer using the ITU-R BT.601 standard for relative luminance (0.299R + 0.587G + 0.114B). EXIF headers are decoded by scanning JPEG marker bytes (0xFFE1) and parsing Little/Big Endian TIFF tag directories in-browser.
Underlying Browser Technologies:
- Binary EXIF header parser (JPEG/TIFF)
- Raw canvas pixel buffer scanning
- Single-pass 4-channel histogram computation
- Octree color quantization for palette extraction
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