to a file format which supports transparency. įinally, export the transparent image with File → Export As. Once the desired transparency area is selected, simply hit. When this happens, use +Drag with a Select tool of your choice to select a subtractive selection area. In this case, and barely visible, nine desired pixels in the middle of the pipe were also selected for deletion. Some of the desired image area might be selected as well because the colour matched. In between, hit + to undo.Īt times, it proves difficult to get the colour selection exactly right. Again, run a few tries while adjusting Threshold for best results. Lets you select areas of an image based on color. Nonetheless, do experiment with these settings and choose what looks best. One of the easiest ways to create a transparent background in GIMP is to use the Fuzzy Selection tool. For this particular example I chose not to apply Antialiasing nor Feather edges. This time around, do select Fill transparent areas as well as Sample merged. It might be tempting to perform Colour to Transparency, however this would also change semi-transparent areas within the desired image area. The right thing to do now is Select → By Colour. Gimp transparent background windows#Make sure you open advanced options and fill with transparency, otherwise you’ll get a white background. Open your GIMP application by double-clicking on the shortcut or searching it through the Windows search feature. Click File > New in the menu bar and fill out the dialog form. However, one can also use the eyedropper tool to pick a colour from anywhere on the desktop. Setup the canvas To begin, create a new 512 x 512 pixels image with transparent background. Here, I used f3f3e9 as a background colour for plain colour filling. Next, use the magic wand tool to select the area of the image that you want to be transparent. This will add an alpha channel to your image. Go to the Layers menu and select Add Alpha Channel. (In this respect, Adobe Photoshop is no different.) Hence, choose a colour which is compatible with the background on which the resulting picture will eventually be used.Ĭlick on the background colour rectangle in the upper half of the Tool Options toolbox window to change the background colour. How to use GIMP to convert JPG to PNG with transparent background.Some colour mixing will be inevitable and even desired. Do select BG colour fill and Sample merged and run a few tries while adjusting Threshold for best results. Within the Bucket Fill toolbox options, select Fill transparent areas only when necessary. The next step is optional and consist in filling the area that should become transparent with a plain colour. This is done by selecting Layer → Tranparency → Add Alpha Channel. If this is the case, add an alpha transparency channel. Some image types lack a transparency channel JPG for example. Step 1: Open the Layer menu, select the Transparency submenu, and then click Add Alpha Channel. This gave me the best result for returning the original logo colors while still erasing the white from my logo.Note: This tutorial is also available in PDF. In my case, I turned the slider down to a value of. In other words, more of the original logo is restored back to its original colors. As I bring this slider down, less and less of the logo is now semi-transparent. To fix this, I can adjust the “Opacity Threshold” slider (denoted by the green arrow in the photo above), which is set to 100 by default. These are areas where there is either 100% white (fully transparent) or a hint of white (partial transparency). For example, when I first open up this tool, there are several parts of my logo that are now transparent or semi-transparent. The drawback of this method is that it will erase ALL instances of white in your image or logo, not just the background. Click the “Color” option (denoted by the red arrow in the photo above) to manually select a color, or click the eyedropper tool (denoted by the blue arrow) and click on your background to choose your background color as the color to convert to alpha (transparency).
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