TraceLoom — API Debugging Companion
See what your app actually sent.
A focused Chrome DevTools companion for inspecting, filtering, explaining, saving, comparing, generating code from, and deliberately replaying browser fetch and XHR traffic.
Local-first, lifetime license
Live fetch and XHR capture after the TraceLoom DevTools panel opens
Method, status, resource type, URL text, duration, and failure filters
Request and response headers, timings, and body inspection
JSON, text, binary, unavailable, and bounded large-body presentation
Built-in authentication, cookie, API-key, token, and password redaction
Deterministic local explanations for HTTP and browser-policy problems
Deliberate edit and replay workflow with safety checks
Named redacted collections stored locally
Sanitized cURL and Fetch generation
JSON and text response diffing
Custom local redaction rules
Up to three device activations
Product preview
See TraceLoom — API Debugging Companion in action
Current release artwork showing the main workflow, key features, and lifetime-license experience.



