help:replacement notice (locked)
This feature will allow you to replace a post's image with another image in place. If you are replacing something other than a sample → full-size image, you must be careful. See topic #14063 for further discussion.
What is acceptable:
- Image sample → full-size image. Most common use case.
- Identical image with missing or corrupted metadata → image with correct metadata (post #2196287).
- Identical image with worse lossless compression → image with better compression (post #2766377).
- Sample with already uploaded full-size → inferior identical image from alternate source. This serves as a way to grace posts (post #2753690).
- Images uploaded on accident by a user (corrupted images, incorrect tweets, pre-revisions, etc.). If done in a timely enough manner, this should also be appropriate to use for that purpose. Fixing the order is also permitted to some extent.
What is typically discouraged:
- Identical images from different sources (unless you can confirm that an artist uploaded a sample to one site and not another). See topic #14595.
- Images of non-identical filetypes that aren't samples.
- GIF/MP4 file → Ugoira. Ugoiras are not considered necessarily better than their GIF/MP4 counterparts (post #2625276). Upload it separately.
- Lossy third-party file conversions (png → jpg) or third-party lossy-lossless conversions (jpg → png). Upload the original, and flag or delete the inferior counterpart.
- Non-identical images. Do not replace an image with its revision, or a work in progress/sketch with its finished rendition; upload it in a separate post.