How to Resize Images to Centimeters Without Photoshop

Resizing images to centimeters can be easily done through various free tools and methods available. Whether you need to adjust the size for printing purposes or other design projects, you do not necessarily need Photoshop. Here are several effective and convenient options you can use to resize images to centimeters.

Using Online Tools

There are numerous online platforms that specialize in image resizers where you can specify the dimensions in centimeters. One popular option is PicResize. Here’s how you can use it:

Visit the website: Go to PicResize. Upload your image: Click on the 'Upload' button to select and upload your image. Set custom dimensions: In the editor, choose 'Custom Size' and enter the dimensions you require in centimeters. Choose output format: Select the desired output format and then click the 'Resize' button.

Using GIMP (GNU Image Manipulation Program)

GIMP is a powerful, free alternative to Photoshop. If you have GIMP installed, you can resize images as follows:

Open your image: Launch GIMP and open the image you wish to resize. Scale the image: Go to Image > Scale Image. Set the new dimensions: Enter the new dimensions in centimeters in the dialog box. Export the image: Click File > Export As... and save the resized image in your desired format.

Using Windows Paint

Microsoft Paint is a simple tool that does not directly allow resizing in centimeters. However, you can resize by pixels and then convert the pixel dimensions to centimeters using the appropriate DPI.

Open the image: Launch Paint and open the image you want to resize. Resize by pixels: Go to Resize in the toolbar. Calculate the pixel dimensions: For example, at 300 DPI, 1 cm ≈ 118 pixels. Save the resized image: Click File > Save as a new file with the new size.

Using Preview on a Mac

If you are using a Mac, Preview can be utilized for resizing images:

Open the image: Launch Preview and open the image you want to resize. Adjust the size: Go to Tools > Adjust Size. Set the new dimensions: Change the unit to 'Centimeters' and enter the new dimensions. Save the image: Click File > Save to save the resized image.

Using ImageMagick Command Line

If you are comfortable with the command line, ImageMagick is a powerful tool for resizing images. Here’s how you can use it:

Install ImageMagick: Follow the instructions on the ImageMagick website. Resize the image: Use the following command in a terminal:
bash convert -resize 10cmx10cm .jpg Replace dimensions: Replace 10cmx10cm with your desired dimensions in centimeters.

Conclusion

Choose the method that best suits your needs based on convenience and the tools you have available. Each of these options allows you to resize images without needing Photoshop. Whether you prefer an online tool, a free software like GIMP, or a built-in utility on your computer, these methods provide efficient and effective solutions for resizing images to centimeters.