Archive and delete/unsend chats

Is there any tool/app/etc with which I can archive offline in easily accesible/readable format all of my messenger and instagram chats and also automatically delete from both ends/unsend all the messages I’ve sent? And be able to exclude chats from deletion ofc so some chats remain untouched but everything else gets deleted, or I can just select entire chats for the messages I’ve sent be deleted without having to unsend each message manually but other chats remain untouched.

submitted by /u/katanagnost
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Source: Reddit r/OSINT · 2026-11-05