Link Extractor can be used to extract all links from a webpage! : https://www.prepostseo.com/link-extractor
It does not work well on private pages though so try an Addon instead! : https://chromewebstore.google.com/detail/link-grabber/caodelkhipncidmoebgbbeemedohcdma & : https://chromewebstore.google.com/detail/link-gopher/bpjdkodgnbfalgghnbeggfbfjpcfamkf & : https://chromewebstore.google.com/detail/link-klipper-extract-all/fahollcgofmpnehocdgofnhkkchiekoo
For Firefox : https://addons.mozilla.org/en-US/firefox/addon/link-extractor/ & : https://addons.mozilla.org/en-US/firefox/addon/link-gopher/ & : https://addons.mozilla.org/en-US/firefox/addon/web-link-extractor/