Sniffnet
Comfortably monitor your network traffic
About Sniffnet
Application to comfortably monitor your network traffic. Cross-platform. Intuitive. Reliable.
Translated in: 🇨🇳 🇩🇪 🇫🇷 🇷🇺 🇵🇹 🇪🇦 🇮🇹 🇵🇱 + 18 more languages (opens in a new tab)
_Support Sniffnet's development_
Sniffnet is completely free, open-source software which needs lots of effort and time to develop and maintain.
If you appreciate Sniffnet, sponsor the project (opens in a new tab) to support its growth (opens in a new tab).
For sponsorship inquiries, feel free to reach out at sponsor@sniffnet.app.
A special shout-out to these awesome organizations and folks who are sponsoring Sniffnet:
Processing over 3TB/s of video at peak load, now hiring in SF
Features
- choose a network adapter of your PC to inspect
- select a set of filters to apply to the observed traffic
- import and export comprehensive capture reports as PCAP files
- view overall statistics about your Internet traffic
- view real-time charts about traffic intensity
- identify connections in your local network
- discover the geographical location of remote hosts
- find out domain name and ASN of the hosts you are exchanging traffic with
- identify 6000+ upper layer services, protocols, trojans, and worms
- see which programs are generating network bandwidth
- ⭐ save your favorite network hosts, services, and programs
- keep an eye on your network even when the application is minimized
- search and inspect each of your network connections in real time
- set custom notifications to inform you when defined network events occur
- import custom IP blacklists to highlight potentially dangerous connections
- choose the style that fits you the most, including custom themes support
- ...and more!
User manual
Do you want to learn more? Check out the **Sniffnet Wiki** (opens in a new tab), a comprehensive manual to help you thoroughly master the application from a basic setup to the most advanced functionalities. The Wiki includes step-by-step guides, tips, examples of usage, and answers to frequent questions.
Missing dependencies
Most of the errors that may arise are likely due to your system missing dependencies required to correctly analyze a network adapter. Check the required dependencies page (opens in a new tab) for instructions on how to proceed depending on your operating system.
Description adapted from the project README.
- Version
- 1.5.1
- Updated
- Jul 22, 2026
- Size
- 20 MB
- License
- Apache License 2.0
Open source details
- Source code
- Exact source for v1.5.1
- Released
- Jul 22, 2026
- GitHub stars
- 41.6K
- Website
- sniffnet.app
Community project. Help and bug reports go to the maintainers on GitHub; AppsXi does not provide support for this app.
License
PermissiveApache License 2.0
Use, change and share it freely, including in closed source apps, as long as the copyright notice stays. Includes a patent grant.
Read the full licenseHow this app was checked
AppsXi checks every version before it is listed.
Signed by SignPath Foundation
Certificate from GlobalSign GCC R45 CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE
Signature stays valid after its certificate expires
All bundled programs are signed
File matches the fingerprint GitHub published
Show the SHA-256
54b52b1ce8bfd9e0d6d727da8db988bc6b6a843492c7ce4afc4709e8378eec9a
Part of GitHub's immutable release v1.5.1
GitHub signed that this file belongs to that release of GyulyVGC/sniffnet, so it cannot be swapped later.
No malware found
ClamAV 1.5.4 on Oct 18, 2026
Not included yet: installing and watching the app run in a virtual machine.
What these checks do and don't coverVersions
Checked Oct 18, 2026 · Windows
MSI · 20 MB, MSI · 20 MB
Questions about Sniffnet
Is Sniffnet free?
Yes. Sniffnet is free and open source under the Apache License 2.0. AppsXi lists the maintainers' official release and does not charge for it.
Is Sniffnet safe to download?
AppsXi downloads every version of Sniffnet from the maintainers' official GitHub release and checks it before it is listed. For version 1.5.1 (checked Oct 18, 2026), the Windows download is Authenticode signed, each file matches the checksum GitHub publishes for the release, byte for byte and a malware scan found nothing.
Who makes Sniffnet?
Sniffnet is an open source project by Giuliano Bellini on GitHub (GyulyVGC/sniffnet). Help and bug reports go to its maintainers there.
Reviews
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