DPI Changer
Set DPI without resampling
DPI Changer is on the roadmap. In the meantime, explore the other image tools.
What is DPI Changer?
Change an image's embedded DPI metadata without resampling pixels — useful for print workflows where a printer or layout tool insists on a specific DPI tag (often 300 DPI) even though the underlying pixel count is fine. The tool reads and rewrites the JFIF / EXIF density fields directly so file size, dimensions, and pixel data stay byte-for-byte unchanged. Works with JPG and PNG.
How do I use DPI Changer?
- Drop a JPG or PNG onto the upload zone.
- Enter the target DPI (72 for screen, 300 for print, or any custom value).
- Click Apply to rewrite the metadata.
- Click Download to save the new file.
When should I use DPI Changer?
DPI Changer is for re-tagging only — pixels are untouched. To actually scale an image up or down, use Image Resizer. To shrink file size without changing dimensions, use Image Compressor. For genuine resolution upscaling, use Image Upscaler.
What is DPI and why does it matter?
DPI (dots per inch) is a metadata field that tells printers and layout software how big to physically render an image. Screen viewing ignores it; printing uses it to decide how many pixels map to each inch of paper.
Will changing the DPI affect file size or quality?
No. DPI is metadata only — the pixels themselves are unchanged. Dimensions in pixels stay the same; only the physical-print interpretation changes.
What DPI should I use?
72 for screen-only assets, 300 for high-quality print, 150 for low-quality print. If a tool insists on a specific DPI even though pixel dimensions are fine, use this to satisfy it without resampling.
Is my file uploaded anywhere?
No. Everything runs in your browser. Your files never leave your device, and there is no server component for this tool.