Is GraphQL Explorer free to use?

Yes, GraphQL Explorer on DevHexLab is completely free. No login, no account, and no payment required.

Does GraphQL Explorer upload my data to a server?

No. GraphQL Explorer runs entirely in your browser using client-side JavaScript. Your data never leaves your device and is never sent to any server.

Yes. Once the page is loaded, GraphQL Explorer works without an internet connection because all processing happens locally in your browser.

GraphQL Explorer belongs to the "Network & API" category on DevHexLab. Test APIs, inspect headers, check DNS, and debug network issues

Paste a GraphQL schema and build queries interactively

graphqlschemaqueryapiexplore

GraphQL Endpoint

Preset Queries

Query

Variables (JSON, optional)

API Request Tester

Test HTTP API endpoints with custom headers and request body

JSON Formatter

Beautify and format JSON with customizable indentation

CORS Header Tester

Check what CORS headers a URL returns and debug cross-origin issues