Don't know about Tiktok, but this site seems to work for IG to some degree: https://www.picuki.com/ https://www.picuki.com/ Don't know exactly how much it cap

Don't know about Tiktok, but this site seems to work for IG to some degree: https://www.picuki.com/ https://www.picuki.com/ Don't know exactly how much it captures, but you can toss the page it gives you into archive.ph at least.