The best alternatives to Msgif are Boopy Club, gifboard.app, and Madden GIFERATOR. If these 3 options don't work for you, we've listed a few more alternatives below.
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Postman Recorder by DevTools— Export Postman APIs from browser
BitSmall is a chrome extension that aims to give users the ability to share their media files(image, videos, docs) more easily by uploading their files on one place and useing it to any website from gmail to youtube.