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Check Image DPI & Resolution Online

Check DPI and PPI resolution metadata to verify 300 DPI print quality and calculate physical print size.

Drag & drop an image

or choose from your device

Processed locally in your browser

JPG, PNG, WebP, SVG, HEIC • Max 50 MB per file

How to Use Check Image DPI & PPI

1

Upload Image

Select the photo, artwork, or graphic file you need to inspect.

2

Inspect DPI Metadata

The inspector parses JPEG JFIF and PNG pHYs chunks for embedded density markers.

3

View Print Size Metrics

Inspect current DPI, PPI, and maximum achievable print dimensions in inches and centimeters.

About Check Image DPI & PPI

DPI (Dots Per Inch) determines how densely pixels are rendered on physical paper. While computer screens display images at 72 to 96 PPI, commercial printing mandates 300 DPI for crisp, non-pixelated results.

Our tool reads embedded density headers from JPEG JFIF and PNG pHYs chunks, calculates achievable print sizes at 300 DPI, and helps you avoid submitting low-density files to print shops.

Common Use Cases

  • Verifying that photography meets 300 DPI print standards before ordering physical prints or canvas wraps.
  • Checking academic thesis figures and journal illustrations for publisher resolution compliance.
  • Inspecting passport photos to confirm they meet 300 DPI consular printing specifications.

Private & Secure Browser Processing

All processing is executed locally in your browser. Files are never transmitted or stored on remote servers.

Processed locally
No account required
No file storage
ALL TOOLS
Passport PhotoCreate standard 2x2 inch (51x51 mm / 600x600 px) or 35x45 mm passport photos with 300 DPI clarity and clean face framing.
Metadata ViewerView real technical data: MIME type, dimensions, file size, color depth, and camera EXIF information.
Image DimensionsInspect exact width, height in pixels, and aspect ratio of any photo instantly.

Frequently Asked Questions - Check DPI

What is the difference between DPI and PPI?

PPI (Pixels Per Inch) measures pixel density on digital displays. DPI (Dots Per Inch) refers to physical ink dots placed by a commercial printer. The terms are often used interchangeably in digital prepress.

What DPI is needed for high-quality printing?

300 DPI is the universal industry standard for sharp photographic prints, magazines, and marketing brochures.

Can I increase an image's DPI to make a blurry photo sharp?

Changing DPI metadata only changes print scale instruction. True sharpness requires sufficient source pixels (e.g. 1800x1200 px for a 6x4 inch print at 300 DPI).