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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Image pixel ruler
Measure distances and angles in a picture in pixels, or in cm with a known scale.
- Free
- No sign-up
- Works on any device
About Image pixel ruler
Click two points on a picture to measure the distance in pixels, or three points for an angle. If you tell it a known length, such as a coin or a ruler in the shot, it converts pixels into centimetres. Measure straight on, since perspective distorts distances.
How to use Image pixel ruler
- Type what you want to look up above.
- The answer appears instantly, explained in plain words.
- Copy what you need.
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
How can I measure real size in centimetres?
Set a scale first: measure an object of known length in the photo, enter its real length, and the tool converts every other measurement. It is accurate only for things on the same plane.
Is Image pixel ruler free?
Yes. Image pixel ruler 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.