Image format
Arquivos de amostra PNG
PNG (.png) is a lossless raster image format supporting truecolor, palette, interlacing, and alpha transparency. Use sample .png files to test decoder compliance, color profile handling, and transparency rendering.
9 arquivos
All to 50MB
SHA256 verified
Manifest included
Quick facts
CategoriaImage
Total Files9
Extension.png
MIMEimage/png
Opens withChrome/Firefox, Photoshop
ManifestJSON
Files first
PNG Sample Files — Download
| Nome do arquivo | Tamanho | MIME | Baixar |
|---|---|---|---|
| 20.1 KB | image/png |
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| 4.3 KB | image/png |
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| 35.7 KB | image/png |
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| 12.0 KB | image/png |
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| 42.0 KB | image/png |
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| 4.4 KB | image/png |
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| 10.0 MB | image/png |
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| 25.0 MB | image/png |
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| 50.0 MB | image/png |
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No files match the current filter. Switch to another chip or size range.
Use cases
PNG Testing Workflows
Compare and decide
PNG Format Comparisons
PNG vs WebP
Open ComparisonBMP vs PNG
Open ComparisonFAQ and reference
PNG File FAQ
Checksum Verification
Use checksums to confirm file integrity after download.
shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.Where is the machine-readable manifest?
Use the manifest when you need stable names, SHA256 values, and URLs for automation.
Validation Methodology
- Validate MIME sniffing against extension and file signatures.
- Test transparency, color profile, and resize pipelines.
- Benchmark decode speed and memory use for larger dimensions.
Matriz de fixtures
Use the curated PNG matrix to choose the right clean, edge-case, and broken fixtures for this format.
Abrir matriz
Pacotes de fluxo de trabalho