1
BrowserLeaks
browserleaks.comAlso covers security and security tools · same kind of website
Test a browser for privacy leaks, including exposed IP addresses, device information, and fingerprinting risks.
Alternatives
The Best IPv6 Leak Test Alternatives in 2026
24 alternatives2 free · 3 open source
Looking for something like IPv6 Leak Test? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 3 are open source.
About IPv6 Leak Testip6.nl
VisitIPv6 Leak Test checks whether a device has IPv6 connectivity and displays connection information related to privacy.
Top picks at a glance
First suggestionBrowserLeaksTest a browser for privacy leaks, including exposed IP…Free or freemium optionProxy CheckProxy Check provides a proxy detection API for identifying…Open source optionClawMoatClawMoat helps guard AI agents against data leaks, unsafe…Another optionBrowserScanCheck browser fingerprints and run DNS leak, IP, port, and…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | BrowserLeaks | — | Not stated | Web |
| 2 | BrowserScan | — | Not stated | Web |
| 3 | Proxy Check | Freemium | Not stated | Web |
| 4 | CreepJS | — | Not stated | Web |
| 5 | SSLLabs | Free trial | Not stated | Web |
| 6 | Test-IPv6 | — | Not stated | Browser extension, Web |
| 7 | Threat Radar | — | Not stated | Web |
| 8 | Cyberthreat Real-Time Map | — | Not stated | Web |
| 9 | mCaptcha | — | Not stated | Web |
| 10 | Security Onion Solutions | — | Not stated | Web |
All IPv6 Leak Test alternatives
2
BrowserScan
browserscan.netAlso covers security and security tools · same kind of website
Check browser fingerprints and run DNS leak, IP, port, and WebRTC tests with BrowserScan.
3
Also covers security and security tools · same kind of website · free plan
Proxy Check provides a proxy detection API for identifying proxy connections used in online services and game servers.
4
CreepJS
abrahamjuliot.github.io/creepjsAlso covers security and security tools · same kind of website
Test browser fingerprinting characteristics with CreepJS, which displays fingerprint and WebRTC results.
5
Also covers security and security tools · same kind of website
SSL Labs provides tools for testing SSL and TLS configurations and related public key infrastructure.
6
Test-IPv6
test-ipv6.comAlso covers security tools · same kind of website
Test-IPv6 checks whether a browser and network connection can reach IPv6 resources.
7
Threat Radar
radar.offseq.comAlso covers security and security tools · same kind of website
Threat Radar displays current cyber threat intelligence on a live map, showing security activity from its data sources.
8
Cyberthreat Real-Time Map
cybermap.kaspersky.comAlso covers security and security tools · same kind of website
Cyberthreat Real-Time Map displays a map and statistics about cyber attacks using data from listed sources.
9
mCaptcha
mcaptcha.orgAlso covers security and security tools · same kind of website
Add proof-of-work verification to websites with mCaptcha, a privacy-focused automated CAPTCHA system.
10
Security Onion Solutions
securityonionsolutions.comAlso covers security and security tools · same kind of website
Security Onion Solutions develops and supports products related to its Security Onion security monitoring platform.
11
DNSDumpster
dnsdumpster.comAlso covers security and security tools · same kind of website
DNSDumpster searches domain records and related hosts for domain research and reconnaissance.
12
WhatsMyDNS
whatsmydns.netAlso covers security and security tools · same kind of website
WhatsMyDNS checks DNS record propagation across global resolvers for record types including A, AAAA, MX, and TXT.
13
WFC
binisoft.org/wfc.phpAlso covers security and security tools · same kind of website
Manage Windows Firewall rules and receive outbound connection notifications with Windows Firewall Control.
14
Hitch
varnish-software.com/community/hitchAlso covers security and security tools · same kind of website
The Hitch proxy handles TLS connections for Varnish and is described by its project as open source.
15
Spur
spur.usAlso covers security and security tools · same kind of website
Spur analyzes internet infrastructure and network signals to help investigators interpret obfuscated connections.
16
Outage map
torontohydro.com/outage-mapAlso covers security and security tools · same kind of website
Check the Toronto Hydro outage map for electricity service disruptions.
17
Metasploit
metasploit.comAlso covers security and security tools · same kind of website
Use Metasploit to find security issues, verify mitigations, and manage authorized penetration testing assessments.
18
Cover Your Tracks
coveryourtracks.eff.orgAlso covers security and security tools · same kind of website
Test how trackers and fingerprinting systems see your browser with Cover Your Tracks from the EFF.
19
Observatory
developer.mozilla.org/en-US/observatoryAlso covers security and security tools · same kind of website
Test HTTP security headers such as CSP and HSTS, then review recommendations for improving a site.
20
Also covers security and security tools · open source
ClawMoat helps guard AI agents against data leaks, unsafe tool use, and poisoned dependencies through an open-source firewall.
21
Also covers security and security tools · open source
This GitHub list collects books, guidelines, blogs, videos, tools, and cases related to CI/CD security.
22
Also covers security and security tools · open source
This GitHub list curates GPT agents designed for cybersecurity work and related security tasks.
23
Hitch
github.com/varnish/hitchAlso covers security and security tools
Terminate TLS connections through Hitch, a scalable TLS proxy from Varnish Software.
24
Also covers security and security tools · free plan
Superagent provides an autonomous security platform for testing applications, repositories, agents, and infrastructure.
No alternatives match this filter.
Alternatives to similar tools
WhatsMyDNS24 alternativesSuperagent24 alternativesmCaptcha24 alternativesMetasploit24 alternativesSSLLabs24 alternativesCyberthreat Real-Time Map24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery ListingIPv6 Leak Test details
What is the best alternative to IPv6 Leak Test?
Based on features, tags and platforms, the closest alternatives to IPv6 Leak Test are BrowserLeaks, BrowserScan, and Proxy Check.
Is there a free alternative to IPv6 Leak Test?
Yes. Proxy Check and Superagent are free or offer a free plan.
Are there open-source alternatives to IPv6 Leak Test?
Yes: ClawMoat, Awesome CI/CD Security, and Awesome GPT Agents.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative