PCAP Visualizer

pcap

Browser-based PCAP visualisation with time-series traffic charts, dissection, and field discovery.

Drag in a PCAP, get a time-series traffic chart, full dissection tree, and a sidebar of auto-discovered protocol fields. Right-click any field to filter or group. Browser-only, installable as a PWA.

Turns dense packet captures into readable views suitable for inspection, debriefs, and training. Renders an interactive time-series traffic chart coloured by protocol, full Wireshark-style dissection, Wireshark-compatible display filters, automatic field discovery, click-to-filter / group-by, hex viewer, and CSV export, all in the browser, with optional PWA install for offline use.

What it does

• Interactive time-series traffic chart with zoom, coloured by protocol.
• Full Wireshark-style dissection tree with expandable protocol layers.
• Wireshark-compatible display-filter syntax.
• Field-discovery sidebar, automatically detects available protocol fields in the capture.
• Right-click on any field to filter by it or group traffic by it.
• Hex viewer with ASCII representation for selected packets.
• CSV export of filtered packets for downstream analysis.
• PWA, installable as a standalone app for offline use.

Best for

• Analysts presenting findings to stakeholders.
• Trainers walking students through real captures.
• IR teams summarising what a capture actually contains.

Protocols: SS7, Diameter, GTP, SIP, 5G NAS

Inputs: PCAP, PCAPNG

Outputs: Traffic charts, Field-discovery sidebar, CSV export