An image that is the same or very similar to an already existing image on Danbooru.
A few cases where the tag may be found:
- Exact duplicates
- Lower resolution versions of the same image
- Images updated or "fixed" by the original artist
- Generally, images of "lower" quality
Before you upload an image, try to seek it here or use the "Find similar" button.
Do not flag duplicates for deletion if your only reason is that the image is a duplicate.
Read the full article.