Loper · Broadcast, IPTV & streaming
Open .sdp files on your Mac.
.sdp
Session descriptions for ST 2110 and RTP streams.
Loper is a free, minimal editor for macOS that opens SDP (ST 2110 / RTP) instantly and colors every part of the file, so you find the value you need at a glance and can fix it right there. No IDE, no project to load, no gray wall of text.

Show the file as text
v=0o=- 1443716955 1443716955 IN IP4 192.168.10.21s=Camera 1 videoc=IN IP4 239.100.1.1/32m=video 5004 RTP/AVP 96a=rtpmap:96 raw/90000a=fmtp:96 sampling=YCbCr-4:2:2; width=1920; height=1080; exactframerate=25How to open .sdp files
- Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
- Double-click your .sdp file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
- Want every .sdp file to open in Loper? Choose Loper › Make Loper the Default Editor….
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