Toolipedia- Free
- No sign-up
- Works on any device
No tool matches your search.
- Free
- No sign-up
- Works on any device
Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
- Free
- No sign-up
- Works on any device
Fill in the details to see your QR code.
PNG for phones, chats and websites. SVG and PDF stay sharp at any size, which is best for printing. Tip: point your phone camera at the preview to test it.
3. Style (optional): colors, dots, logo
Choose a photo or screenshot or drag it here
Works with photos of printed codes, screenshots and image files.
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Change image DPI
Set a photo to 300 DPI, or resize it to an exact print size in cm or inches.
- Free
- No sign-up
- Works on any device
About Change image DPI
DPI is only a label that tells printers how large to make the pixels. This tool writes 300 DPI into your file, or resizes it to an exact print size in centimetres or inches. A 4×6 inch print at 300 DPI needs 1200×1800 pixels.
How to use Change image DPI
- Choose your photo, or drag and drop it here. You can try the sample first.
- Adjust the settings and watch the preview update.
- Download the result as PNG, JPG or WEBP.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
Does changing DPI make my photo sharper?
No. Changing DPI only changes the print size recorded in the file. Sharpness depends on the pixel count, so a small image stretched to a large print will still look soft.
Is Change image DPI free?
Yes. Change image DPI on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.