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Tools

Debugging tools

Free and fast, with nothing to sign up for. Browser-only tools never send your data anywhere. The MTR test runs from our server so you get an outside view of the network path.

Network

MTR / Traceroute

Run ICMP or TCP MTR from our server to see packet loss and latency per hop.

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Security

JWT Decoder

Decode JSON Web Tokens, read claims and check expiry. Nothing leaves your browser.

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Utilities

Base64 & URL Encoder

Encode and decode Base64, Base64URL, URL and HTML entities with UTF-8 support.

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Web debugging

HAR Analyzer

Inspect HTTP Archive files: waterfall, errors, redirects, headers and timings.

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Coming back soon: PCAP analyzer

We're rebuilding the Wireshark PCAP analyzer from the ground up. Until it's ready, the HAR analyzer and MTR cover most web and path problems.