Purpose-built tool
Read embedded PNG/JPEG physical resolution and calculate print size. Missing density is reported as unknown.
Image DPI Checker
Read embedded PNG/JPEG physical resolution and calculate print size. Missing density is reported as unknown. Everything runs locally on your device.
Private by designRuns locally in browserNo signup needed
Reads PNG/JPEG density metadata. Missing physical resolution is unknown; changing DPI does not add pixels.
No images selected. Files stay on your device.
Processed
Your images never leave your computer.
Image Well Done executes all image algorithms inside your browser memory. We never transmit your image bytes, metadata, or filenames to a remote server.
How to use Image DPI Checker
- 1Select one image from your device.
- 2Read embedded physical resolution from PNG/JPEG. Missing or unsupported density is unknown, not a default DPI.
Browser-local processing
Your input is processed on your device, without uploading it to an image-processing server.
No account required
Open the tool and use it without signing up.
Frequently Asked Questions
What input and result does this tool support?
Read embedded physical resolution from PNG/JPEG. Missing or unsupported density is unknown, not a default DPI.
Is my input uploaded?
No. Processing happens in your browser; your input is not sent to an image-processing server.