Set image DPI metadata.
Choose a DPI value and export a PNG with matching physical-pixel metadata. Pixel dimensions stay the same; only metadata changes.
Result will appear here
How to use Set Image DPI
- Drop an image (or several) into the upload area, or click to pick from your device.
- Adjust any settings — output format, target size, pixel grid, whatever the tool exposes.
- Click Download to save the result. Everything runs locally; nothing is uploaded.
Why imgrove's Set Image DPI
- Free, no signup. Open the tool, use it, leave. No account, no email, no trial.
- Browser-based. All processing happens on your device. Your images never touch a server.
- Mobile-friendly. Works on iOS, Android, Chromebook — anywhere a modern browser runs.
- No watermarks. What you produce is yours.
Best for
- Adding. adding 300 DPI metadata before print workflows
- Checking. checking how DPI metadata affects office or design tools
- Keeping. keeping pixel dimensions unchanged while setting physical resolution metadata
What you get
- A. a PNG with a pHYs chunk matching the chosen DPI
- A. a preview of the unchanged image pixels
Before you download
- Dpi. DPI metadata does not add real pixel detail
- This. this tool exports PNG rather than editing every original file format in place
- Private by design. This tool runs locally in your browser; image pixels are processed on your device.
Frequently asked questions
Is Set Image DPI really free?
Yes. Every imgrove tool is free, with no signup, no trial, and no per-file limit beyond sensible browser memory.
Are my images uploaded to a server?
No. Set Image DPI runs entirely client-side in your browser. The image never leaves your device.
Which file formats does Set Image DPI support?
JPG, PNG, and WebP are supported across all first-launch imgrove tools. More formats are added only after browser smoke coverage passes.
Can I use it on a phone?
Yes. imgrove is designed mobile-first.