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2017年5月12日 — WhatsApp stores the thumbnail as BLOB in the database in message_thumbnails table under thumbnail column.

2021年7月12日 — How to send media (image/video) with custom thumbnail. for example, i send image A, but when downloaded the image changed to B on WWebJS ...

2015年5月28日 — Whatsapp doesn't allow you to change the thumbnail image of the video that you want to send(at least till the updated app). If you would like to ...

2015年5月18日 — It's because the photo quality decreases when you share it through whatsapp. The image you share will look bit blurry as you share it and this ...

2018年5月28日 — Whatsapp Image/Video thumbnails. I read somewhere that Whatsapp does not store images on its servers. What approach or technology doesn whatsapp ...

2022年6月27日 — At first, when sharing videos through whatsapp web I would get a thumbnail with the video, so it could be played directly from the whatsapp ...

2022年6月21日 — A Complete Guide To Video Thumbnails ; Thumbnail gives a snapshot of the entire video in a small image. You can add text and other graphic ...