Windows 10/11 · Free & open source · Beta 0.2.0-beta.2

One download.
Every connection.

Conflux bonds your Wi-Fi, Ethernet and phone tethering into a single download, so big files use all the bandwidth you already have. If one drops, the rest keep going.

Download for Windows

4.4 MB · Offline installer · SHA-256

  • 3×connections at once
  • 0corrupted chunks after a drop
  • 0trackers or telemetry

How fast could it be?

Pick a file and tell it what you have. Estimate: combined speed × 0.9 for overhead, with independent links and a server that allows ranged downloads.

File size

80 GB

Big game

Your connections

Speed each

One connection

—

your fastest link alone

With Conflux

—

—

Try it on yours

Get Conflux

Pull the plug.
It keeps going.

Switch connections off mid-download. Their chunks move to the links that are still up, and the file is never corrupted. A simulation of what the app does.

0% Downloading…

Small app.
Serious engine.

01

Channel bonding

Every adapter fetches its own byte ranges at once. Faster links take more of the file automatically.

02

Hot-swap links

Plug in a phone mid-download and it joins. Unplug it and its work moves to the others.

03

Pause & resume

Progress is saved as you go, so a crash or a reboot doesn't mean starting over.

04

Checks every byte

Strict range validation and change detection. A file that changed on the server is caught.

05

Private by design

No telemetry, no accounts. It only talks to the servers you download from, and GitHub for updates.

06

Signed updates

Updates are signature-checked. Running downloads pause before installing and resume after.

Good questions

Why does Windows say "unknown publisher"?

Code-signing certificates cost money and need identity checks, so the beta isn't signed yet, and SmartScreen warns about every unsigned installer. Click More info → Run anyway. Download only from this page or GitHub Releases, then compare the output of Get-FileHash .\Conflux_*_x64-setup.exe -Algorithm SHA256 with the SHA256SUMS.txt from the same release.

Is it really free? What does it collect?

Free and open source (MIT or Apache-2.0). It collects nothing. Read the privacy statement.

What do I need?

Windows 10 or 11, 64-bit, and Microsoft WebView2, which current Windows already has. The standard installer fetches it if it's missing, or use the offline installer.

How much faster will it be?

Up to the sum of your connections minus some overhead, when the server allows ranged downloads and your links are independent. Two adapters on the same router share that router's speed. Try the calculator.

I found a bug or a security issue.

Bugs: open an issue and paste Settings → Copy diagnostics. Security problems: please follow the security policy instead.