Surge is designed for power users who prefer a keyboard-driven workflow. It features a beautiful Terminal User Interface (TUI), as well as a background Headless Server and a CLI tool for automation.
Why use Surge?
Most browsers open a single connection for a download. Surge opens multiple (up to 32), splits the file, and downloads chunks in parallel. But we take it a step further:
Blazing Fast: Designed to maximize your bandwidth utilization and download files as quickly as possible.
Multiple Mirrors: Download from multiple sources simultaneously. Surge distributes workers across all available mirrors and automatically handles failover.
Sequential Download: Option to download files in strict order (Streaming Mode). Ideal for media files that you want to preview while downloading.
Daemon Architecture: Surge runs a single background "engine." You can open 10 different terminal tabs and queue downloads; they all funnel into one efficient manager.
Beautiful TUI: Built with Bubble Tea & Lipgloss, it looks good while it works.
For a deep dive into how we make downloads faster (like work stealing and slow worker handling), check out our Optimization Guide.
Support the Project
We are just two CS students building Surge in between classes and exams. We love working on this, but maintaining a project of this scale takes time and resources. That's where you come in!
If Surge saves you time, consider supporting the development! Donations go directly toward:
Publishing the Extension: Paying the Chrome Web Store fee so you can finally install the extension officially (no more sideloading!).
Dev Tools: Licenses for tools like GoReleaser Pro to help us automate our builds.
Debrid Integration: Covering subscription costs so we can test and build native Debrid support.
Just run surge to enter the dashboard. This is where you can visualize progress, manage the queue, and see speed graphs.
# Start the TUI
surge
# Start TUI with downloads queued
surge https://example.com/file1.zip https://example.com/file2.zip
# Combine URLs and batch file
surge https://example.com/file.zip --batch urls.txt
2. Server Mode (Headless)
Great for servers, Raspberry Pis, or background processes.
# Start the server
surge server start
# Start the server with a download
surge server start https://url.com/file.zip
# Check server status
surge server status
surge and surge server start bind the HTTP API to 0.0.0.0 (all interfaces) by default.
This means the server is accessible via localhost (127.0.0.1) as well as your local network IP.
The API is token-protected. Generate/read your token by running:
surge token
3. Remote TUI
Connect to a running Surge daemon (local or remote).
# Connect to a local daemon (auto-discovery)
surge connect
# Connect to a remote daemon
surge connect 192.168.1.10:1700 --token <token>
By default, surge connect uses:
http:// for loopback and private IP targets
https:// for public/hostname targets
4. Server Mode with Docker Compose
Download the compose file and start the container:
wget https://raw.githubusercontent.com/surge-downloader/surge/refs/heads/main/docker/compose.yml
docker compose up -d
Get the API token:
docker compose exec surge surge token
Save this token - you'll need it to authenticate API requests and connect remotely.
Check server status:
docker compose exec surge surge server status
View logs:
docker compose logs -f surge
Benchmarks
We tested Surge against standard tools. Because of our connection optimization logic, Surge significantly outperforms single-connection tools.
Tool
Time
Speed
Comparison
Surge
28.93s
35.40 MB/s
—
aria2c
40.04s
25.57 MB/s
1.38× slower
curl
57.57s
17.79 MB/s
1.99× slower
wget
61.81s
16.57 MB/s
2.14× slower
Test details: 1GB file, Windows 11, Ryzen 5 5600X, 360 Mbps Network. Results averaged over 5 runs.
We would love to see you benchmark Surge on your system!
Browser Extension
The Surge extension intercepts browser downloads and sends them straight to your terminal. It communicates with the Surge client on port 1700 by default.
Chrome / Edge / Brave
Clone or download this repository.
Open your browser and navigate to chrome://extensions.
Enable "Developer mode" in the top right corner.
Click "Load unpacked".
Select the extension-chrome folder from the surge directory.