Change Image DPI Online Free
GKPTool DPI Changer allows you to change image DPI online without reducing image quality.
You can easily convert images from 72 DPI to 300 DPI or any custom DPI value required
for professional printing and official document submission.
This tool works directly inside your browser and does not upload images to any server.
What Is DPI in Image?
DPI stands for Dots Per Inch. It defines how many pixels are printed per inch.
Higher DPI results in sharper printed images.
- 72 DPI – Screen & web use
- 96 DPI – Standard digital
- 150 DPI – Normal printing
- 300 DPI – Professional photo print
Convert 72 DPI to 300 DPI for Printing
Most images downloaded from mobile or internet are 72 DPI.
These images appear blurred when printed.
By converting your image to 300 DPI, you make it suitable for:
- Photo printing
- Passport size photos
- Government documents
- Certificates and forms
- High-quality posters
DPI Changer for Passport & Exam Forms
Many Indian government websites require images in 300 DPI resolution.
Incorrect DPI can cause photo rejection.
This tool is commonly used for:
- Passport photo 300 DPI
- SSC and UPSC forms
- Railway recruitment
- Banking exams
- PAN card photo upload
Automatic Print Size Calculator
Changing DPI affects the physical print size of an image.
This tool automatically calculates:
- Pixel dimensions
- Size in inches
- Size in centimeters
This helps you know exactly how large your photo will print on paper.
Secure & Private DPI Conversion
All DPI changes are performed locally using browser-based processing.
Your image is never uploaded or stored online.
This makes the tool safe for personal photos and official documents.
Related Image Tools
Why Use GKPTool DPI Changer?
- 100% free DPI changer
- No watermark added
- No login required
- Supports custom DPI values
- Instant preview
- Professional print-ready output
- Mobile & desktop compatible
Frequently Asked Questions
Can I convert image to 300 DPI?
Yes, select 300 DPI or enter custom DPI value.
Does DPI change affect image quality?
No visual quality loss occurs.
Is this DPI changer free?
Yes, it is completely free.
Does it resize pixels?
No. It updates DPI metadata correctly.
Can I use this on mobile?
Yes, the tool works on Android and iPhone.