Photolisa · inspection

GIF Background Preview

GIF background preview shows transparent animation regions against selected colors.

Image tool workspace

Enable JavaScript to use the processing controls. Tool instructions and limitations are available below.

Understanding gif background preview

GIF background preview shows transparent animation regions against selected colors.

Check every frame because transparency and disposal can change during playback.

A practical workflow

  1. Choose the required source files, if any. Files are handled as stated in the workspace privacy label.
  2. Set the available controls and apply the operation.
  3. Compare the actual output, check its dimensions and download the generated file.

Decisions and limitations

  • Primary color

Up to 500 frames, 4 megapixels per frame and 40 million decoded frame pixels in total. GIF delays are rounded to 10 ms with a 20 ms minimum; color reduction is lossy.

Questions about this task

Where do I use the current tool?

Edit real animation frames with their composed appearance and timing.

What should I check for gif background preview?

Check every frame because transparency and disposal can change during playback.

Which settings and formats are confirmed?

GIF. Up to 500 frames, 4 megapixels per frame and 40 million decoded frame pixels in total. GIF delays are rounded to 10 ms with a 20 ms minimum; color reduction is lossy.

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