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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 400,000 packages pre-installed, including corsproxy with all npm packages installed. Try it out:

var corsproxy = require("corsproxy")

This service is provided by RunKit and is not affiliated with npm, Inc or the package authors.

corsproxy v1.5.0

standalone CORS proxy


standalone CORS proxy

Build Status Dependency Status devDependency Status



npm install -g corsproxy
# with custom port: CORSPROXY_PORT=1234 corsproxy
# with custom host: CORSPROXY_HOST=localhost corsproxy
# with debug server: DEBUG=1 corsproxy
# with custom payload max bytes set to 10MB (1MB by default): CORSPROXY_MAX_PAYLOAD=10485760 corsproxy


The cors proxy will start at http://localhost:1337. To access another domain, use the domain name (including port) as the first folder, e.g.

  • http://localhost:1337/localhost:3000/sign_in
  • http://localhost:1337/
  • etc etc




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