: Gimp: Howto antialias round border around I have a gif file with a round logo on top of transparent background. The border around the round item needs to be antialiased. I have tried selecting

I have a gif file with a round logo on top of transparent background. The border around the round item needs to be antialiased.

I have tried selecting with the fuzzy wand as well as with border: 2px, but either case I'm not able to choose Color to Alpha nor Blur Gaussian Blur as suggested in many tutorials.

I have also tried changing the format of the file to xcf

Any ideas? Gimp 2.6.12 on Ubuntu 12.04

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@Heady304

The GIF specifications do not allow semi-transparency which would be needed for anti-aliasing a border to the transparent background.

To overcome this you may generate a fake semi-transparency by dithering the output on exporting to GIF (see my answer to this question: GIF with transparency output not as expected in GIMP). The resulting image qualtity may be far from expected. In case you are not happy you will need to use another image format supporting semi-transparency (e.g. PNG).

To be able to use the Blur filters, and then to add an alpha channel we will have to convert the Image > Mode from Indexed... to RGB first.

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: Gimp: Howto antialias round border around I have a gif file with a round logo on top of transparent background. The border around the round item needs to be antialiased. I have tried selecting

More posts by @Goswami567

: Is 4-color process printing (CMYK) more or less expensive than using 4 spot colors? Is there much of a cost difference between the two?

: How do I move my artwork around after dividing it into artboards? I've divided an artwork into a bunch of artboards and now I need to move the contents of the artboards around, resize them

: How to get GTA type Cartoon Effect In Photoshop CS5? I'm new to Photoshop and was wondering how to achieve this sort of cartoon effect. I looked everywhere, youtube, blogs and stuff but still

: How to automatically save each layer as its own png/jpeg while keeping one main layer above We offer vinyl decals for many devices. To show what a design looks like on a device, we have to

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