Overview
Capture, edit, and mock GraphQL responses in real-time. Perfect for testing edge cases without backend changes.
GraphQL Mocker - Real-time GraphQL Response Mocking Tool for Developers π Stop waiting for backend changes. Test any GraphQL scenario instantly. GraphQL Mocker is a powerful Chrome DevTools extension that intercepts GraphQL requests and lets you customize API responses in real-time. Perfect for frontend developers, QA engineers, and anyone working with GraphQL APIs. βββββββββββββββββββββββββββββββββββ π― WHO IS THIS FOR? β’ Frontend Developers - Continue development when backend APIs are incomplete or unstable β’ QA Engineers - Test error states, edge cases, and loading scenarios without complex setup β’ Demo Presenters - Showcase different app states during presentations β’ Full-stack Teams - Debug and validate API integrations faster βββββββββββββββββββββββββββββββββββ β¨ KEY FEATURES πΈ AUTO-CAPTURE Automatically intercepts all GraphQL queries and mutations. No configuration required. βοΈ INTUITIVE JSON EDITOR Visual tree editor with inline editing. Click any value to modify it instantly. π INSTANT MOCKING Return custom responses for any GraphQL operation. Test null states, errors, and edge cases. β±οΈ NETWORK DELAY SIMULATION Add response delays (0ms~) to test loading states and slow network conditions. π SMART BOOLEAN TOGGLE Edit boolean values with convenient true/false dropdown selector. ποΈ GLOBAL ON/OFF SWITCH Enable or disable all mocking with a single click. π POWERFUL SEARCH Quickly find operations and search through large JSON responses. πͺ SEPARATE EDITOR WINDOW Open a larger editing panel for complex data structures. βββββββββββββββββββββββββββββββββββ π₯ USE CASES β Test error handling (404, 500, validation errors) β Simulate empty states and null values β Test pagination with large datasets β Validate loading state UI β Demo specific app scenarios β Debug GraphQL response issues βββββββββββββββββββββββββββββββββββ π HOW TO USE 1. Install the extension and pin it to your toolbar 2. Navigate to any page making GraphQL requests 3. Click the extension icon to see captured operations 4. Edit any response and click "Save & Activate" 5. Refresh the page - your custom response is served! βββββββββββββββββββββββββββββββββββ π PRIVACY FIRST β’ All data stays 100% local in your browser β’ No external servers or data collection β’ No account required β’ Works completely offline βββββββββββββββββββββββββββββββββββ π FREE & OPEN SOURCE β’ MIT Licensed β’ Contributions welcome on GitHub β’ Built with React & TypeScript βββββββββββββββββββββββββββββββββββ π§ SUPPORT & FEEDBACK Found a bug or have a feature request? β GitHub Issues: github.com/wtdlee/graphql-mocker
Details
- Version1.0.0
- UpdatedDecember 11, 2025
- Offered bywtdlee
- Size396KiB
- LanguagesEnglish
- Developer
Email
890511lkh@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site
