WEB OPTIMIZATION · 72 DPI

DPI Changer for Web

Change image DPI to 72 (web standard), 96, or 150. True metadata injection — no pixel alteration, no quality loss. 100% private.

JPEG & PNG
Instant Metadata
Client‑Side
Start Optimizing

Drop image or click to browse

JPEG, PNG · up to 20MB

No server processing — everything stays on your device.

100% Private & Secure: Images are processed directly in your browser. No upload to any server — your data stays with you.

Why Use a DPI Changer for Web Images?

DPI (dots per inch) is metadata that tells software how to display or print an image. For the web, 72 DPI is the long‑standing standard — screens ignore DPI for display purposes, but many CMS platforms, email clients, and legacy tools still read this value. Setting your image to 72 DPI ensures maximum compatibility without altering a single pixel.

DPI Changer tool interface showing upload zone and DPI selector

Our tool performs true metadata injection — it writes the EXIF XResolution/YResolution tags for JPEG files and the pHYs chunk for PNG files. This means your DPI change is recognized by Photoshop, GIMP, print labs, and any standards‑compliant image viewer. Plus, everything runs client‑side, so your files never touch a server.

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Frequently Asked Questions

72 DPI is the standard for screens. Changing metadata to 72 DPI doesn't alter pixels but ensures proper display in some software and can slightly reduce file overhead. It's ideal for web images.

No. We only edit metadata (EXIF for JPEG, pHYs for PNG). Pixel dimensions and visual quality remain exactly the same.

Yes, you can set DPI to 150 or higher for print. However, remember that DPI alone doesn't add resolution — it's a density instruction.

Absolutely. All processing is client‑side. Your images never leave your browser.

For JPEG, DPI is stored in EXIF tags (XResolution/YResolution). For PNG, it uses the pHYs chunk which stores pixels-per-metre. Our tool handles both formats automatically with true binary-level injection.