• ESFsoft Radio Downloader FAQ (Frequent Asked Questions)

    ※ How can I download ESFsoft Radio Downloader?

    All ESFsoft products can be found in Download, so does ESFsoft Radio Downloader. The self-developed Radio Downloader is totally free for everyone.

  • Button functions of ESFSoft URL Sniffer

    ESFSoft URL Sniffer Interface



  • How many kinds of URLs can be discovered by ESFSoft URL Sniffer?

    ESFSoft URL Sniffer currently can support HTTP, MMS, RTSP and even the hardest RTMP streams, which provides you a one-step solution in capturing the full URLs of Real Media, Windows Media, flash streaming video and many other animated or text streams. Meanwhile, it extracts the useful media stream link addresses like FLV, MP4, SWF, WMV, RM, MP3…from all captured stream URLs.

  • How to find media url that I want from so many captured stream urls on ESFSoft URL Sniffer?

    ESFSoft URL Sniffer is equipped with an own filtering feature.


    The freeware is capable of detecting all the stream urls from the webpage that you view and displaying all of them in list.

  • How to download Soundcloud to mp3 on Mac by ESFSoft Soundcloud Downloader for Mac 2.0

    How to download Soundcloud to mp3 on Mac by ESFSoft Soundcloud Downloader for Mac 2.0

  • How to get stream video URLs by ESFSoft URL Sniffer?

    ESFSoft URL Sniffer offers a one-step solution to find URLs free from website. As a powerful streaming URL finder, ESFSoft URL Sniffer can get all the online video and audio streams that transmitted through HTTP, RTMP, MMS and RTSP protocols.

  • Why can’t I watch video when ESFSoft Rtmp Downloader is downloading?

    Q: During the downloading period in rtmp.exe, the online video buffers for a long time, and even till the video online I played just now download completes, it does not play. And there shows up words that “This connect doesn’t seem to be working. Try again later”.

  • What is rtmpdump?

    The software package rtmpdump is a toolkit for RTMP streams. All forms of RTMP are supported with rtmp://, rtmpt://, rtmpe://, rtmpte://, and rtmps:// included.


    The package includes three utilities, rtmpdump, rtmpsrv and rtmpsuck. Rtmpdump is used to connect to RTMP servers just like normal Flash video player clients, and capture the stream from the network, and save it to a file.

  • What is RTMP?

    Real Time Messaging Protocol (RTMP) is a multimedia streaming designed for streaming video, audio, movies and data over the Internet. The popular RTMP websites like Hulu, MTV, BBC, Yahoo, etc.

    You are allowed to play and stream the video directly, but not allowed to download RTMP videos from the websites above that adopting technology of encryption and security.

  • How to download live rtmp video from BBC by ESFSoft Rtmp Downloader?

    BBC is the world's largest broadcast news organisation and generates about 120 hours of radio and television output each day, as well as online news coverage. BBC website contains comprehensive international news coverage as well as entertainment, sport, science, and political news.