Convert PNG to 300 DPI
Inject pHYs resolution chunks into PNG graphics, logos, and digital art for 300 DPI print accuracy.
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Supports JPG, PNG, and WebP up to 25 MB • Converts to 300 DPI, 150 DPI, 72 DPI, or custom value
PNG Physical Resolution Chunk (pHYs)
PNG measures resolution in pixels per meter. For 300 DPI, ImagePrintTools writes a standard pHYs chunk with 11,811 pixels per meter and a valid CRC32 checksum.
Frequently Asked Questions
Yes. Adobe Photoshop, InDesign, and Illustrator read the pHYs chunk to determine physical print size.