Check your image DPI instantly
Drop an image to see its DPI, pixel dimensions, and maximum print size at 300 DPI. Runs entirely in your browser. Nothing is uploaded.
Supports JPEG and PNG. Max 100 MB. Your image never leaves your device.
How it works
Drop your image
Drag and drop a JPEG or PNG into the checker. Your image stays in your browser and is never uploaded.
DPI is read instantly
The tool parses the file header to extract DPI metadata, pixel dimensions, and format information.
See your print verdict
Get a color-coded result showing DPI, dimensions, and maximum print size at 300 DPI.
Why use this checker
100% client-side
Your image never leaves your device. All processing happens in the browser using JavaScript. No server, no uploads, no data collection.
Reads real EXIF metadata
Parses JFIF, EXIF, and PNG pHYs headers to read the actual embedded DPI value, not a guess.
Print size calculator
Automatically calculates the maximum physical print size at 300 DPI based on your pixel dimensions.
Color-coded verdict
Instantly see whether your image is print-ready (green), needs attention (amber), or too low (red).
Full dimension details
See pixel width, height, DPI source (JFIF, EXIF, or pHYs), file size, and format in one glance.
Drag-and-drop interface
Drop any JPEG or PNG image onto the page. No account needed, no signup, no credits required.
Frequently asked questions
Need to fix your DPI?
Our DPI converter changes metadata to 300 DPI instantly. AI upscaler adds real pixels when you need them. 100 free credits on signup.