cloudflare · Cloudflare Workers Docs

Workers Build a QR code generator

A step-by-step tutorial for creating, developing, testing, and deploying a Cloudflare Worker application that generates QR codes using JavaScript.

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Derived skill

Files assembled from official documentation

Viewing SKILL.md

Workers Build a QR code generator

A step-by-step tutorial for creating, developing, testing, and deploying a Cloudflare Worker application that generates QR codes using JavaScript.

When To Use

Use when you need to implement a serverless function that processes incoming requests to generate and return QR code images via Cloudflare Workers.

Reference Files

What This Skill Covers

In this tutorial, you will build and publish a Worker application that generates QR codes.
Main sections: Tags, Before you start, 1\. Create a new Workers project, 2\. Handle Incoming Request, 3\. Build a QR code generator.

Workflow

Open the most relevant file under docs/ for the exact documented workflow and wording.
Open schemas/ files for exact structured contracts.
Open examples/ files for concrete requests, commands, snippets, and manifests.
Do not add behavior or configuration that is not present in the attached source files.

Canonical source: https://developers.cloudflare.com/workers/tutorials/build-a-qr-code-generator/index.md

Skill metadata

Name: Workers Build a QR code generator
Author: Bruno HANSS - Prompt Buddy
Generation mode: Ai Assisted Human Authored
Source count: 1

Provenance

Source program: Cloudflare Workers Docs
Last generated: May 10, 2026
Last source sync: Unknown
Source pages: 1

Safety model

Canonical source pages are preserved separately. Derived files record source evidence and require zero AI-generated facts.

File tree

Source links

https://developers.cloudflare.com/workers/tutorials/build-a-qr-code-generator/index.md Back to skills

File	Contains	Use For
`SKILL.md`	Entry point: scope, routing table, and workflow.	Start here.
`docs/workers-build-a-qr-generator-index-workflow-guide.md`	A step-by-step tutorial for building and publishing a Cloudflare Worker application that generates QR codes using JavaScript.	Questions about a step-by-step tutorial for building and publishing a Cloudflare Worker application that generates QR codes using Jav...
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-tutor.text`	The initial setup commands and project initialization steps for building a QR code generator using Cloudflare Workers.	Exact payloads, commands, or snippets shown in The initial setup commands and project initialization steps for building a QR code generator using Cloudflare Workers.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-tutor-2.text`	The terminal command used to initialize the QR code generator project using the Cloudflare Workers create command.	Exact payloads, commands, or snippets shown in The terminal command used to initialize the QR code generator project using the Cloudflare Workers create command.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-proje.text`	The command to initialize a new Cloudflare Workers project for a QR code generator using pnpm.	Exact payloads, commands, or snippets shown in The command to initialize a new Cloudflare Workers project for a QR code generator using pnpm.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-tutor-3.text`	Shell commands for navigating to the project directory and initializing the QR code generator workspace.	Exact payloads, commands, or snippets shown in Shell commands for navigating to the project directory and initializing the QR code generator workspace.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas.text`	A JavaScript worker script implementation that handles requests to generate QR codes using a web worker environment.	Exact payloads, commands, or snippets shown in A JavaScript worker script implementation that handles requests to generate QR codes using a web worker environment.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-2.text`	A JavaScript worker script that implements a QR code generator using a POST request handler.	Exact payloads, commands, or snippets shown in A JavaScript worker script that implements a QR code generator using a POST request handler.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-3.text`	A JavaScript implementation of a Cloudflare Worker fetch handler that processes POST requests to generate QR codes.	Exact payloads, commands, or snippets shown in A JavaScript implementation of a Cloudflare Worker fetch handler that processes POST requests to generate QR codes.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-4.text`	A JavaScript implementation of a Cloudflare Worker that handles POST requests to generate QR codes.	Exact payloads, commands, or snippets shown in A JavaScript implementation of a Cloudflare Worker that handles POST requests to generate QR codes.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-5.text`	A JavaScript implementation of a Cloudflare Worker that handles POST requests to generate QR codes.	Exact payloads, commands, or snippets shown in A JavaScript implementation of a Cloudflare Worker that handles POST requests to generate QR codes.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-tutor-4.text`	A step-by-step tutorial guide for building a QR code generator using Cloudflare Workers and the qrcode-svg library.	Exact payloads, commands, or snippets shown in A step-by-step tutorial guide for building a QR code generator using Cloudflare Workers and the qrcode-svg library.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-yarn-.text`	The yarn command used to add the qrcode-svg dependency to the Cloudflare Workers project.	Exact payloads, commands, or snippets shown in The yarn command used to add the qrcode-svg dependency to the Cloudflare Workers project.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-pnpm-.text`	The pnpm command used to add the qrcode-svg dependency for the Workers QR code generator tutorial.	Exact payloads, commands, or snippets shown in The pnpm command used to add the qrcode-svg dependency for the Workers QR code generator tutorial.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-bun-i.text`	The bun command used to add the qrcode-svg dependency for the Workers QR code generator tutorial.	Exact payloads, commands, or snippets shown in The bun command used to add the qrcode-svg dependency for the Workers QR code generator tutorial.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-6.text`	A JavaScript implementation for a Cloudflare Worker that generates SVG QR codes using the qrcode-svg library.	Exact payloads, commands, or snippets shown in A JavaScript implementation for a Cloudflare Worker that generates SVG QR codes using the qrcode-svg library.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-7.text`	A JavaScript implementation of a Cloudflare Worker that processes POST requests to generate QR codes.	Exact payloads, commands, or snippets shown in A JavaScript implementation of a Cloudflare Worker that processes POST requests to generate QR codes.
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-javas-8.text`	A JavaScript implementation of a Cloudflare Worker that uses the qrcode-svg library to generate QR codes via POST requests.	Exact payloads, commands, or snippets shown in A JavaScript implementation of a Cloudflare Worker that uses the qrcode-svg library to generate QR codes via POST req...
`examples/workers-build-a-qr-generator-index-cloudflare-workers-qr-generator-tutor-5.text`	A step-by-step tutorial guide for building a QR code generator using Cloudflare Workers.	Exact payloads, commands, or snippets shown in A step-by-step tutorial guide for building a QR code generator using Cloudflare Workers.