Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Firefox Developer's menu F12 help

max2
max2
more options

Where can I find help for the Firefox Developer's menu which appears after pressing F12 ?

I have tried to download via it a YouTube music and save it as follows but it doesn't replay: What's wrong with this `curl` command ?

curl "https://r3---sn-2gb7sn7k.googlevideo.com/videoplayback?expire=1618934363&ei=-6V-YMyVKde0gQeAw42YDg&ip=94.112.85.61&id=o-AP6SpCFdGAWmLzhSgFAtZ3SlEFZ8Ia9CE6Zo6JS4tDTC&itag=397&aitags=133"%"2C134"%"2C135"%"2C136"%"2C160"%"2C242"%"2C243"%"2C244"%"2C247"%"2C278"%"2C394"%"2C395"%"2C396"%"2C397"%"2C398&source=youtube&requiressl=yes&mh=wS&mm=31"%"2C26&mn=sn-2gb7sn7k"%"2Csn-4g5ednsy&ms=au"%"2Conr&mv=m&mvi=3&pl=18&initcwndbps=1492500&vprv=1&svpuc=1&mime=video"%"2Fmp4&ns=oGOAXGyOlcIjz_s85Q2pnIEF&gir=yes&clen=149420529&dur=18529.041&lmt=1562702145590600&mt=1618912361&fvip=3&keepalive=yes&fexp=24001373"%"2C24007246&c=WEB&txp=5532432&n=1YA_uOdo4b3FiA&sparams=expire"%"2Cei"%"2Cip"%"2Cid"%"2Caitags"%"2Csource"%"2Crequiressl"%"2Cvprv"%"2Csvpuc"%"2Cmime"%"2Cns"%"2Cgir"%"2Cclen"%"2Cdur"%"2Clmt&lsparams=mh"%"2Cmm"%"2Cmn"%"2Cms"%"2Cmv"%"2Cmvi"%"2Cpl"%"2Cinitcwndbps&lsig=AG3C_xAwRgIhANfqcvaLCOf7GyvgoJdpRa5Ao5FeICYE2tO48YQbNWudAiEA2fsHoGqkNrm95J4OZTLNnl7-uWKl2oFuDk_mtMxGgNM"%"3D&alr=yes&sig=AOq0QJ8wRAIga4VjSJrXvQQNqTv44Ek_BJrY3xqK-kFSEEIVRd-LuxkCIBSgG30TBv7HqsvzOWJ7JA319KcRe_Ff2RU5VrH7cf-k&cpn=1I6CI7Oh9Q3CxGi2&cver=2.20210418.07.00&range=0-27199999977014&rn=366&rbuf=119795" -H "User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0" -H "Accept: */*" -H "Accept-Language: cs,sk;q=0.8,en-US;q=0.5,en;q=0.3" --compressed -H "Referer: https://www.youtube.com/" -H "Origin: https://www.youtube.com" -H "Connection: keep-alive" > J5.mpeg

Where can I find help for the Firefox Developer's menu which appears after pressing F12 ? I have tried to download via it a YouTube music and save it as follows but it doesn't replay: What's wrong with this `curl` command ? curl "https://r3---sn-2gb7sn7k.googlevideo.com/videoplayback?expire=1618934363&ei=-6V-YMyVKde0gQeAw42YDg&ip=94.112.85.61&id=o-AP6SpCFdGAWmLzhSgFAtZ3SlEFZ8Ia9CE6Zo6JS4tDTC&itag=397&aitags=133"%"2C134"%"2C135"%"2C136"%"2C160"%"2C242"%"2C243"%"2C244"%"2C247"%"2C278"%"2C394"%"2C395"%"2C396"%"2C397"%"2C398&source=youtube&requiressl=yes&mh=wS&mm=31"%"2C26&mn=sn-2gb7sn7k"%"2Csn-4g5ednsy&ms=au"%"2Conr&mv=m&mvi=3&pl=18&initcwndbps=1492500&vprv=1&svpuc=1&mime=video"%"2Fmp4&ns=oGOAXGyOlcIjz_s85Q2pnIEF&gir=yes&clen=149420529&dur=18529.041&lmt=1562702145590600&mt=1618912361&fvip=3&keepalive=yes&fexp=24001373"%"2C24007246&c=WEB&txp=5532432&n=1YA_uOdo4b3FiA&sparams=expire"%"2Cei"%"2Cip"%"2Cid"%"2Caitags"%"2Csource"%"2Crequiressl"%"2Cvprv"%"2Csvpuc"%"2Cmime"%"2Cns"%"2Cgir"%"2Cclen"%"2Cdur"%"2Clmt&lsparams=mh"%"2Cmm"%"2Cmn"%"2Cms"%"2Cmv"%"2Cmvi"%"2Cpl"%"2Cinitcwndbps&lsig=AG3C_xAwRgIhANfqcvaLCOf7GyvgoJdpRa5Ao5FeICYE2tO48YQbNWudAiEA2fsHoGqkNrm95J4OZTLNnl7-uWKl2oFuDk_mtMxGgNM"%"3D&alr=yes&sig=AOq0QJ8wRAIga4VjSJrXvQQNqTv44Ek_BJrY3xqK-kFSEEIVRd-LuxkCIBSgG30TBv7HqsvzOWJ7JA319KcRe_Ff2RU5VrH7cf-k&cpn=1I6CI7Oh9Q3CxGi2&cver=2.20210418.07.00&range=0-27199999977014&rn=366&rbuf=119795" -H "User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0" -H "Accept: */*" -H "Accept-Language: cs,sk;q=0.8,en-US;q=0.5,en;q=0.3" --compressed -H "Referer: https://www.youtube.com/" -H "Origin: https://www.youtube.com" -H "Connection: keep-alive" > J5.mpeg

All Replies (1)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
more options

Hmm, probably there is a better support site for cURL, a program to pull files from servers. (https://en.wikipedia.org/wiki/CURL)