WebSlurp

Chrome DevTools extension to capture, edit and replay HTTP requests

ToolApplication SecurityOpen SourceSelf-hosted

Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed August 2026 · How we review listings

What is WebSlurp?

WebSlurp is a Chrome DevTools extension that captures HTTP and HTTPS requests from the page being inspected, lets you edit the method, URL parameters, headers and body, and replays them from a DevTools panel. It is a Manifest V3 extension installed by cloning the GitHub repository and loading it unpacked with Chrome developer mode enabled, so it runs locally with no proxy or certificate setup. Recent versions add an attack surface analysis that scores endpoints on authorization and business logic patterns.

Best for: Web and API testers who want quick capture, edit and replay of a page's own requests without standing up an intercepting proxy.
Pros
  • ✓ Runs inside Chrome DevTools with no proxy, certificate or separate application to configure, per the project README
  • ✓ Source is public on GitHub and the repository shows active development, with 203 commits on main and a v1.9 release published on 1 August 2026
  • ✓ cURL and JSON export move captured requests into terminals, scripts or a later session

Key Features

Captures HTTP and HTTPS traffic from the inspected page, with filtering for API calls only or all resources
Edits request method, URL parameters, headers and body before sending
Replays edited requests from the DevTools panel and shows the response inline
Filters by keyword, request method and response status
Search inside response bodies and attach notes to individual requests
Copies any request as a cURL command
Exports and re-imports request logs as JSON
Attack surface analysis that scores endpoints for authorization and business logic risk indicators

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Sources & references

Where the information on this listing comes from. Always verify pricing and capabilities against the vendor before a purchasing decision.

WebSlurp — official websitePrimary source
WebSlurp project site: features, installation and positioning
hangga/webslurp source repository: README, feature list, install steps
GitHub platform metadata: repository creation date, stars, licence field

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Quick Info
Pricing
ModelFree and open source
Founded2026
CloudNo
Self-HostedYes
Open SourceYes
Visit Website →

Last updated: Aug 3, 2026

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