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SVG File Best Practices
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What is an SVG file?

SVG stands for scalable vector graphic, and is used for rendering 2-dimensional images on the internet.  

 

An SVG file is a digital format that is vector-based. This allows for the quality of the graphic to look great at any scale, whether the user is viewing it on a smartphone or large desktop computer. 

 

Vector files store images as a set of points and lines. Mathematical formulas allow these images to maintain their shape as the file is scaled up or down. Vector files also store color and text.

 

 

The other type of image file is rasterized. Raster images store information on a grid of colored squares, or pixels, called a bitmap. Raster images work great for very detailed imagery but have a fixed resolution, which results in reduced image quality as the image size increases. Examples for raster file types are .jpg and .png.

 

How do SVG files work?

SVG files are written in XML. The web browser processes the XML information and displays it on the screen as a vector image. A rasterized image, or a jpg, has a quality that is defined at a particular size. When that size is enlarged, the image loses clarity. 

 

Because the graphics information is stored as XML, an SVG can be interpreted by a screen reader and indexed by search engines, such as Google. 

 

 

How do you create or edit an SVG file?

To create or edit an SVG, you will need software for editing vector art. Some of these programs include:

  • Adobe Illustrator
  • Microsoft Visio
  • CorelDRAW
  • GIMP
  • Google Docs
  • Inkscape

 

You don’t need to know anything about programming or XML, you can create and modify your logo using one of these programs and export your image in an SVG format when you are done.

 

You cannot successfully create an SVG file by saving a rasterized image as a SVG. If you only have your logo in .jpg or .png format you will have to recreate it in one of these programs and export it in SVG format. 

 

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