The PeerFlow blog
Practical guides to sending files, chatting privately, calling, sharing your screen, working on someone else’s computer and meeting without the cost — all peer to peer, for freelancers, small teams and startups.
QR Code File Transfer: How Scanning a Code Sends Your Files
Scan a square, and a file starts moving. It feels like magic, but the idea is simple. Here is what a QR code actually does in a file transfer and why it is safe.
Read the articleWhat Happens to a Message When the Other Person Is Offline?
You send a message and your friend’s phone is off. Where does it go? Here is the full journey of an offline message, and why the server cannot read it.
Read the articleMeeting Links Explained: How They Work and How Long They Last
A meeting link looks simple, but it answers some real questions: who can use it, can the host return, and when does it stop working? Here are the answers.
Read the articleHow Messages Travel: Peer-to-Peer vs Server-Based Messaging
When you press send, what actually happens? The route a message takes decides who could see it, who stores it and what happens when the other person is offline.
Read the articleSTUN, TURN and ICE Explained Simply: How Devices Find a Path to Each Other
Routers hide devices from the internet, yet calls still connect. Three small technologies make it happen. Here they are, with no networking degree required.
Read the articleWhat Is WebRTC? The Technology Behind Browser Calls, Explained Simply
Behind most modern video calls, screen shares and direct file transfers sits one technology with an awkward name. Here is what WebRTC is, with no jargon.
Read the article