Category
Network & Traffic Viewers
HAR, PCAP, and protocol analysis in the browser.
Browse 17 free network & traffic viewers that run entirely in your browser — no signup, no uploads to our servers, and no install. Open any tool below for instant, private processing on EasyToolHub.
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HAR Viewer
Inspect browser HAR captures locally with waterfall, headers, timing breakdown, and CSV/JSON export — private browser tool for education and research.
PCAP Viewer
Inspect PCAP and PCAPNG captures locally with packet list, filters, hex dump, follow-stream, and CSV export — private browser tool for education and research.
PCAPNG Viewer
Inspect PCAPNG captures locally with interface blocks, packet timeline, ISB stats, hex preview, and CSV/JSON export — private browser tool for education and research.
Network Traffic Viewer
Explore conversations, protocols, and talkers locally from PCAP/PCAPNG or JSON/CSV/.flow dumps with CSV/JSON export — private browser tool for education and research.
Packet Analyzer
Inspect packets locally with layer decode, hex dump, field offsets, and CSV/JSON export — private browser tool for education and research.
Protocol Analyzer
Analyze protocol mix locally with dissectors, timeline, conversation counts, and CSV/JSON export — private browser tool for education and research.
HTTP Trace Viewer
Review HTTP request/response conversations locally from HAR, .trace, or .http dumps with CSV/JSON export — private browser tool for education and research.
API Request Viewer
Inspect API calls locally with pretty JSON bodies, headers, query params, and CSV/JSON export — private browser tool for education and research.
Firewall Log Viewer
Explore allow/deny/drop/reject events locally from UFW, iptables, CSV, or JSON logs with timeline and CSV/JSON export — private browser tool for education and research.
SIEM Log Viewer
Browse SIEM events locally with severity, MITRE mapping, rule/source correlation, and CSV/JSON export from JSON, CSV, or CEF — private browser tool for education and research.
Syslog Viewer
Browse syslog locally by facility and severity from RFC 3164/5424 logs, CSV, or JSON with CSV/JSON export — private browser tool for education and research.
DNS Log Viewer
Review DNS queries and responses locally from BIND, dnsmasq, CSV, or JSON with type timeline and CSV/JSON export — private browser tool for education and research.
Nmap Report Viewer
Browse Nmap hosts, ports, and services locally from XML, gnmap, or JSON with CSV/JSON export — private browser tool for education and research.
Nessus Report Viewer
Review Nessus findings locally by severity, host, plugin, and CVE from .nessus XML, CSV, or JSON with export — private browser tool for education and research.
SARIF Report Viewer
Browse SARIF 2.1 static analysis results locally by rule, file location, and level from .sarif, JSON, or CSV with export — private browser tool for education and research.
Malware Analysis Report Viewer
Review sandbox malware reports locally with IOCs, MITRE behaviors, and dropped files from JSON, XML, CSV, or text — private browser tool for education and research.
Threat Intelligence Viewer
Browse STIX 2.x threat intel locally with indicators, relationships, and objects from JSON, XML, CSV, or text — private browser tool for education and research.