# QRcode.show

> Generate QR codes directly from the command line using HTTP requests and curl.

- Website: https://qrcode.show/?ref=devshelf.io
- DevShelf page: https://devshelf.io/resource/qrcode-show
- Pricing: Free
- Tags: Open Source, No sign-up
- Categories: [Data & Utility APIs](https://devshelf.io/category/data-utility-apis.md), [Terminal & CLI](https://devshelf.io/category/terminal-cli.md)
- Last checked: 2026-11-02

## About

QRcode.show is an HTTP-based API service for generating QR codes dynamically using simple curl commands or direct URL parameters. It supports various output formats including plain text, HTML, SVG, PNG, and JPEG. Developers can customize QR code dimensions, colors, version types, error correction levels, and quiet zones via HTTP headers and POST requests. The service does not store or collect input data and is accessible from both web browsers and terminal environments.

## Alternatives

- [Kroki](https://devshelf.io/resource/kroki.md): Unified HTTP API to generate diagrams from textual descriptions supporting multiple diagram libraries and output formats. (pricing: Free)
- [DummyJSON](https://devshelf.io/resource/dummyjson.md): Free fake REST API providing instant placeholder JSON data, diverse datasets, and dynamic image placeholders for frontend development and testing. (pricing: Free)
- [FaviconAPI](https://devshelf.io/resource/faviconapi.md): Self-hosted favicon API and proxy that races multiple scrapers and upstream providers in parallel to return the highest-resolution domain icon. (pricing: Free)

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