🖼️ PNG images
Lossless with transparency — suited to screenshots, logos and diagrams
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100 KB
PNG
102,400 bytes
image/png
100 MB
PNG
104,857,600 bytes
image/png
10 KB
PNG
10,240 bytes
image/png
10 MB
PNG
10,485,760 bytes
image/png
1 MB
PNG
1,048,576 bytes
image/png
25 MB
PNG
26,214,400 bytes
image/png
500 KB
PNG
512,000 bytes
image/png
50 MB
PNG
52,428,800 bytes
image/png
5 MB
PNG
5,242,880 bytes
image/png
About PNG images
PNG (Portable Network Graphics) is a lossless image format. Compression never degrades the image, which makes it the right choice for screenshots, logos, diagrams, and anything that needs transparency. Its MIME type is image/png and it starts with the bytes 89 50 4E 47.
Sizes from 10 KB to 100 MB are available. Use them to test upload size limits, to exercise image libraries such as ImageMagick, GD, or Pillow, and to verify upload paths into object storage.
Characteristics of PNG
- Lossless — repeated re-saving never degrades quality, the key difference from JPEG
- Supports transparency through an alpha channel
- Colour depths of 8, 16, 24, and 32 bits
- Memory use scales with decoded pixel count, so a small file at large dimensions still consumes a lot of memory