A tool for capturing network traffic from Chrome, including cross-origin iframes and workers, with a desktop app for live viewing, SQLite persistence, and HAR/ZIP export with redaction.

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Last updated

2026-07-10

AI repository intelligence
FR-AI / ANALYSIS

Why it is worth attention

Captures traffic that Chrome DevTools misses, such as form-POST signups and OOPIFs, with sticky-tab flow capture and CAPTCHA detection.

Who it is for

  • Web developers debugging complex multi-frame/payment flows
  • Security researchers analyzing third-party scripts
  • QA engineers testing form submissions and captcha integrations
  • Anyone needing advanced network capture with sensitive-data redaction

Use cases

  • Debugging OAuth/payment flows that span cross-origin iframes
  • Capturing complete request/response data for form-POST signups that DevTools drops
  • Exporting network logs with redacted sensitive info for sharing
  • Persisting and searching through large network captures over multiple sessions

Strengths

  • Cross-origin iframe (OOPIF) and worker capture via flat CDP sessions
  • Sticky-tab flow capture captures across navigations even to non-allowlisted domains
  • CAPTCHA detection with three parallel detection paths
  • Persistent SQLite sessions with virtualized list handling 10k+ rows

Considerations

  • Requires Chrome debugger info bar which detaches if closed
  • Only one debugger client per tab (cannot use DevTools simultaneously)
  • Large/streamed response bodies may be unavailable from CDP
  • MV3 service worker idle timeout may cause brief disconnects

README quick start

Usage

Description

Auto-capture network traffic from Chrome — including requests Chrome DevTools itself misses — view requests live in a desktop app with virtualized timeline, persist sessions to SQLite, and export to HAR or ZIP — with optional sensitive-data redaction.

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