The problem seems to be related to the background color. I mean: on each step of my GIF I've a background white , just on the last step I removed the background 'cause I don't want it on my animation. In fact when I add a background color to my last step the result is this:. So, the question is: how can I correctly create a GIF with transparent background and mantain a good quality?
GIF cannot display semi-transparent pixels. If you want to get rid of the jagged edges choose white as the color in the »Matte« Dropdown-Menu in the Save for Web dialogue. The Problem with this is, that if the logo is used on any other color than white, it will have a jagged white outline. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Background matting works best if the web page background is a solid color and if you know what that color is. If an image has multiple slices, the colors in the color table may vary between slices you can link the slices first to prevent this from happening. Reducing the number of colors often preserves image quality while reducing the file size of the image. You can add colors that were left out in building the color table.
Adding a color to a dynamic table shifts the color in the palette closest to the new color. Adding a color to a fixed or Custom table adds an additional color to the palette. If any colors are currently selected in the color table, choose Deselect All Colors from theColor Table palette menu to deselect them. The new color appears in the color table with a small white square in the lower right corner, indicating that the color is locked.
If the color table is dynamic, the original color is displayed in the upper left and the new color is displayed in the lower right. You can change a selected color in the color table to any other RGB color value. When you regenerate the optimized image, the selected color changes to the new color wherever it appears in the image. The original color appears at the upper left of the color swatch and the new color at the lower right.
The small square at the lower right of the color swatch indicates that the color is locked. Double-click the swatch for the shifted color.
The original color is selected in the color picker. Click OK to restore the color. To revert all shifted colors in a color table including web-shifted colors , choose Unshift All Colors from the Color Tablepalette menu.
To protect colors from dithering in a browser, you can shift the colors to their closest equivalents in the web palette.
Select a web-shifted color in the color table and click the Web Shift button in the Color Table palette. To revert all web-shifted colors in the color table, choose Unshift All Colors from the Color Table palette menu. Click the Map Transparency button in the Color Table palette. The transparency grid appears in half of each mapped color. You can lock selected colors in the color table to prevent them from being dropped when the number of colors is reduced and to prevent them from dithering in the application.
A white square appears in the lower right corner of each locked color. You can delete selected colors from the color table to decrease the image file size. When you delete a color, areas of the optimized image that previously included that color are rerendered using the closest color remaining in the palette.
When you delete a color, the color table automatically changes to a Custom palette. This is because the Adaptive, Perceptual, and Selective palettes automatically add the deleted color back into the palette when you reoptimize the image—the Custom palette does not change when you reoptimize the image.
You can save color tables from optimized images to use with other images and to load color tables created in other applications. Once you load a new color table into an image, the colors in the optimized image are changed to reflect the colors in the new color table. Name the color table and choose a location where it will be saved.
By default, the color table file is given the extension. If you want to access the color table when selecting Optimization options for a GIF or PNG image, save the color table in the Optimized Colors folder inside the Photoshop application folder. Navigate to a file containing the color table you want to load—either an Adobe Color Table.
Determine how transparent pixels in the image are optimized. Optimize an image for the web. Legal Notices Online Privacy Policy. Use this topic to learn the various options for exporting images and animated GIFs.
Web graphic formats. JPEG optimization options. You can select one of the following dithering methods:. Determines how transparent pixels in the image are optimized. No Transparency Dither applies no dither to partially transparent pixels in the image.
For as widespread as GIFs have become, they, unlike videos or images, usually look pretty outdated. Most GIFs look small and low resolution, like the one above.
And since they get shared so often, the same video gets compressed and looks worse each time it gets saved and re-uploaded. Basically, most GIFs get the job done. Without needing to send a YouTube link, you can easily embed a perfectly-timed movie reference or reaction into your conversations.
But are they pretty to look at? Content makers across the internet are coming up with new and effective ways to stop the small, choppy frames and start producing high-quality GIFs like this one:. Short, repeating loops work the best — movie one-liners, short YouTube clips, and clips with limited, repeated movements are all good places to start.
The most classic GIFs are basically repurposed videos, but shorter and able to loop without an abrupt transition. And yet, some of the most beautiful GIFs feel more like photos with a pinch of movement. Like these cinemagraphs made by Kevin Burg and Jamie Beck , which you can learn how to make here. You can download and leverage footage from YouTube and Netflix by using free sites like www. Perhaps some other tools can created 8-bit gif transparency, but IM will not, to my understanding.
Perhaps he can comment further or correct my understanding. Thank you for the information on how Photoshop does it. I'll try looking into other options. I chose black since the color under your transparency in the PNG was black, so any antialiasing was against a black background.
However, I tried a white background and that worked fine also. So the color probably does not matter. I called your folder of images, data.
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