janodvarko/harviewer

Health v2 · maintenance only

Flags: no_releases no_license

Adoption not part of the score

1074 stars · 187 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

HAR Viewer is a web application for visualizing HTTP Archive (HAR) files, which log HTTP client/server conversations captured by HTTP tracking tools. It renders request details, transferred-data statistics, and page-load timelines, and can be self-hosted or used via public hosted instances.

Use cases

• visualize HAR files from browser dev tools
• analyze page load performance from HTTP archive logs
• inspect HTTP request and response details in a HAR log
• view a timeline of multiple page loads in a HAR file
• explore the JSON structure of a HAR file as a tree
• validate HAR files against the HAR JSON schema
• self-host a tool to preview HAR logs shared by a team

When to choose

• you need a browser-based, self-hostable viewer for HAR files
• you want statistics and page-load timelines from HTTP traffic logs
• you need to inspect every field stored in a HAR log interactively

When to avoid

• you need live network capture rather than viewing saved HAR files
• you need actively maintained tooling with recent releases and support
• you need a desktop-native or CLI HAR analyzer

Facets

application · maturity maintenance

data-visualization analytics developer-tools json developer-tools web-development analytics performance browser har http-archive network-debugging page-load-performance web-performance drag-and-drop jsonp web-server javascript nodejs

Member repositories

For agents

markdown · JSON · MCP: product_card(name="janodvarko/harviewer")