Bing Visual Searchbing.com
Microsoft Bing's reverse image search. Upload or paste an image to find similar images, pages containing it, products and recognised entities. Lets you crop to sub-regions.
imagedetails
tools / tineye
TinEye
Exact-match reverse image search engine. Finds copies, crops and edits of an image, and can sort results by oldest first to trace an image back to its earliest appearance.
freemiumacct optionalapiwebextension
field note
Sort by "Oldest" to find the earliest indexed copy. That's the fastest way to debunk a photo that's being recycled from an older event.
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