JPEG / PNG DPI Converter
Set print density while keeping the original compressed pixels and stored dimensions.
Set print density while keeping the original compressed pixels and stored dimensions.
One file, ≤10 MiB and ≤20 MP; integer 1–2400 DPI, equal horizontal/vertical density. JPEG: only 8-bit baseline, one complete scan and an existing standard JFIF header. EXIF, XMP, ICC, Photoshop, other APP metadata and progressive JPEG are rejected, including JFIF/EXIF conflicts. PNG: replace pHYs; reject EXIF, text metadata and animation. Maximum 1 MiB metadata and 4096 records. Malformed or unsupported containers are rejected. Compressed pixel content is not decoded or validated. PNG density is rounded to pixels/metre; print software may ignore density. No format conversion or resizing.
Processed in this browser; no upload or saved history.
Download imageA QUICK WALKTHROUGH
How to use this tool
- Choose a supported image.
- Enter the print density.
- Create the file and download the result.
Accepted files and limits
One file, ≤10 MiB and ≤20 MP; integer 1–2400 DPI, equal horizontal/vertical density. JPEG: only 8-bit baseline, one complete scan and an existing standard JFIF header. EXIF, XMP, ICC, Photoshop, other APP metadata and progressive JPEG are rejected, including JFIF/EXIF conflicts. PNG: replace pHYs; reject EXIF, text metadata and animation. Maximum 1 MiB metadata and 4096 records. Malformed or unsupported containers are rejected. Compressed pixel content is not decoded or validated. PNG density is rounded to pixels/metre; print software may ignore density. No format conversion or resizing.
GOOD TO KNOW
Common questions
Does higher DPI add detail?
3000 × 2000 pixels at 300 DPI prints at 10 × 6.67 inches. Changing DPI alone adds no pixels.