Change Image DPI Online
Adjust embedded print resolution tags in JPEG and PNG files for print preflight compliance.
100% In-Browser Processing: Physical DPI header metadata is injected directly on your device without server transmission.
Drop your image to change DPI
or browse to upload
Supports JPG, PNG, and WebP up to 25 MB • Converts to 300 DPI, 150 DPI, 72 DPI, or custom value
Why Change DPI from 72 to 300?
Most cameras and phone apps save files with a default 72 DPI tag even if the pixel resolution is massive (e.g. 4000 × 3000 px). Updating the tag to 300 DPI satisfies strict print preflight software.
Frequently Asked Questions
In Metadata Mode, no compression occurs. The pixel payload is untouched.