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TransmitFlow
Instant file transfer — no upload, no cloud, no account
TransmitFlow is an open-source way to send files directly between devices in your browser—no account and no cloud upload step. Pair with QR code or room code, then transfer instantly with WebRTC and automatic fallback on restrictive networks. Built for reliability with adaptive chunking, missing-chunk recovery, SHA-256 integrity checks, and clear retry states. Works on desktop and mobile.
Been looking for an airdrop alternative for android to windows for ages. works surprisingly well so far 👏
ui is super clean. love that it's open source too, gonna dig through the repo later.
How you got the idea about this project?
Really like the idea of skipping uploads completely.
Quick question — how does it behave if the connection drops mid-transfer? Does it resume or restart?
About TransmitFlow on Product Hunt
“Instant file transfer — no upload, no cloud, no account”
TransmitFlow was submitted on Product Hunt and earned 6 upvotes and 7 comments, placing #112 on the daily leaderboard. TransmitFlow is an open-source way to send files directly between devices in your browser—no account and no cloud upload step. Pair with QR code or room code, then transfer instantly with WebRTC and automatic fallback on restrictive networks. Built for reliability with adaptive chunking, missing-chunk recovery, SHA-256 integrity checks, and clear retry states. Works on desktop and mobile.
TransmitFlow was featured in Web App (121.9k followers), Productivity (650.7k followers), Open Source (68.4k followers) and GitHub (41.2k followers) on Product Hunt. Together, these topics include over 195.8k products, making this a competitive space to launch in.
Who hunted TransmitFlow?
TransmitFlow was hunted by Shubham Pardule. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Shubham Pardule
Hey Product Hunt! I’m Shubham, maker of TransmitFlow 👋
There are tons of file-sharing tools — but most still rely on uploads, accounts, or slow setup.
I built TransmitFlow for one simple use case:
→ open → pair → send instantly
No login. No upload. Files go directly device-to-device.
What I focused on:
• Fast pairing (QR + room code)
• Works on restrictive networks (STUN/TURN fallback)
• Reliable large file transfer (chunking + recovery + integrity checks)
• Clear retry flows instead of vague errors
Would love honest feedback:
– Did pairing feel instant?
– Did it work on your network?
– What felt slow or confusing?
Appreciate you checking it out 🙏