If you’re looking to streamline your image sizing process, here are 6 Screen Rulers to Make Your Image Fit perfectly within the post size limits. These tools are invaluable for web designers or anyone who needs to check how big something is on their screen. With 6 Screen Rulers to Make Your Image Fit, you can avoid resizing your images later and ensure they’re the right size from the start. Incorporating 6 Screen Rulers to Make Your Image Fit into your workflow will save time and help maintain consistency in your posts.
1. A Ruler for Windows
- Simple and Efficient Design: The Wooden Ruler
This is probably one of the simplest rulers I’ve used. The application features a straightforward wooden ruler design, which is both familiar and functional, making it easy to use right away.
- Customizable Options for Flexibility
The buttons along the bottom allow you to adjust the ruler’s length, switch from vertical to horizontal orientation, and even change its appearance (steel, yellow, and more). These customization options make it adaptable for a variety of tasks.
- Multiple Rulers for Enhanced Productivity
One of the most convenient features of this app is the ability to launch as many rulers as you need with a simple click of the shortcut. This allows you to measure multiple elements on your screen at once, improving efficiency for tasks that require precise measurements.
For more details, you can check out the official website of the Wooden Ruler application.

2. JRuler
1. JRuler: Functional Over Sleek Design
JRuler may not have the sleek design of A Ruler for Windows, but it compensates with its highly functional features. It may not win any beauty contests, but it’s perfect for those who prioritize practicality over aesthetics.
2. Flexible Measuring Units for Precision
One of the standout features of JRuler is the ability to change the measuring units. You can switch between pixels, inches, picas, or centimeters, which is particularly useful when working on projects like printing brochures or designing for unusual paper sizes.
3. Free to Use with an Optional Pro Version
JRuler is free to use and requires no installation, running directly from an executable file. If you need additional features, there’s a Pro version available with even more advanced options.

3. Screen Ruler
1. Screen Ruler: A More Complex Yet Functional Tool
At first glance, Screen Ruler may seem more complicated than the other rulers reviewed. However, its basic feature set is similar to most of the others. It’s designed for users who need a little more versatility without sacrificing simplicity.
2. Combined Horizontal and Vertical Measurement
One key advantage of Screen Ruler is that it combines both horizontal and vertical measurements in a single tool. Instead of launching two separate rulers, it comes with markings along the top and side, making it easier to measure multiple dimensions at once.
3. Adjust Transparency for Better Visibility
Upon the initial launch, the transparency setting of Screen Ruler is quite high. To get a clearer view of the object behind the ruler, you’ll need to adjust the transparency to a lower setting. This simple tweak ensures you can measure with ease without obstructing your view.
For more details, you can visit the official Screen Ruler page: Screen Ruler.

4. Pixus (Adobe Air)
1. Installation Barrier: Adobe Air Requirement
One immediate drawback of this particular ruler is the need to install Adobe Air before you can use it. While this step may seem like an inconvenience, once you overcome this initial hurdle, the extra effort pays off.
2. A Beautiful, User-Friendly Design
The installation process might be complicated, but it leads to one of the best-looking applications I reviewed. The design is sleek and visually appealing, making it an enjoyable tool to use.
3. More Than Just Length and Width Measurement
This ruler isn’t just for measuring the length and width of objects on your screen. It offers several preset options, such as “PSP,” “iPhone,” and “VGA,” which allow you to create a box in specific dimensions. This feature is particularly useful for web designers or developers who need to ensure that their designs fit within specific screen sizes.

It seems this ruler is targeted towards web designers and app developers as it would presumably assist them in figuring out appropriate sizes for the items on the screen. In addition, Pixus also has the ability to change the skin of the ruler offering an Internet Explorer version:

And a Safari version:

Again, this Adobe Air application seems to be aimed towards website designers and I personally did not find it very helpful for my purposes.
Paid Applications
I also found a number of applications that provided far more features but at a price. For the sake of completeness I have added them to the list.
1. Screen Calipers
Reviews suggest that this paid application is possibly one of the best screen rulers available.
There is a 30-day demo after which you have to pay USD 29.50. It works on both Windows and Mac.

2. xScope
xScope is Mac only, comes with a demo and costs USD 26.95.

Conclusion
The market for screen rulers is very limited as only a web designer would really require such a thing on a daily basis. However, as most of the applications are free and relatively painless to use, I am sure there are many novel ways to utilise them. I personally like using A Ruler for Windows as it affords me the appropriate balance between looks, simplicity and feature-set.