Upload locally
Select, drop, or paste an image. The file is read in your browser and is not sent to a server.
Private browser-based image DPI metadata tool
Image DPI Checker & Converter
Quickly check image DPI, pixel dimensions, file details, and change JPEG or PNG DPI metadata to 72, 96, 150, 300, 600, or a custom value.
Local browser processing
No server upload
Metadata-only by default
Drop an image here
Click to choose a file, drag it in, or paste from your clipboard.
No file selected
Ready to inspect image DPI metadata.
Choose a JPEG or PNG for the most reliable DPI metadata result.
Original size
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File size
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Format
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Current DPI
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Change DPI metadata
Pixel dimensions stay unchanged in metadata-only mode.
DPI report
Before / After
Before
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Stored DPI in the original file
After
300 DPI
New metadata value for download
Pixels unchanged
Upload an image to see the exact pixel dimensions.
DPI
Estimated print size
150
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300
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Target
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Simple workflow
How it works
Inspect DPI
See pixel dimensions, file size, format, stored DPI metadata, and estimated print sizes.
Download metadata
Choose a target DPI and download a copy with updated metadata while keeping the same pixels.
Image DPI guide
Why DPI matters
Image DPI is often a stored metadata value. Real print sharpness depends on how many pixels are available for the physical size you want.
For print, effective DPI is calculated from pixel dimensions divided by the intended print size.
Web
Browsers mainly care about pixel dimensions, not the stored 72 DPI or 96 DPI label.
Design
Some print shops, publishers, and upload forms require a 300 DPI tag even when pixels are unchanged.
FAQ
Image DPI questions
What is image DPI?
Image DPI is a density value stored in image metadata. It tells print or design software how many pixels should map to one inch, but it does not create new detail by itself.
Does changing 72 DPI to 300 DPI improve quality?
No. Metadata-only DPI conversion changes the label, not the pixels. A sharper print usually needs more pixels or a smaller physical print size.
When is a 300 DPI converter useful?
It is useful when a printer, submission form, or design workflow requires a 300 DPI metadata tag and your image already has enough pixels for the intended print size.
Are my images uploaded?
No. This page reads and rewrites supported image files in the browser. The image does not need to leave your device.
Which formats are supported?
DPI checking works best for JPEG and PNG. Metadata-only DPI conversion currently supports JPEG and PNG. Other formats can be previewed, but DPI metadata may not be reliably readable in the browser.