Side by side

quicktype vs Spring Initializr

Both stand on code generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

quicktype

Free plan APILinuxMac+2

quicktype can generate models and related data-handling code from several structured inputs. The browser app and CLI are free, but command-line and Node.js use requires Node.js 20 or newer.

Visit quicktype

Spring Initializr offers a flexible way to generate JVM projects, with API access, documented clients, and options for custom services. Its pre-1.0 status and limited extensibility of the included web UI matter if you plan to build on it.

Visit Spring Initializr

The facts

	quicktype	Spring Initializr
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Mac, Web, Windows	API, Extension, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	1 target language: $19 a month	Free or on request
Plans published	3	1
Maker	Not published	Not published
Website	quicktype.io	start.spring.io
On code generators	#14 of 33	#18 of 33

quicktype: what it does well

Accepts JSON, API URLs, schemas, and GraphQL queries.
Generates code in more than 25 languages.
Browser app works offline without sending sample data.
CLI supports files, URLs, directories, and standard input.
Open source under the Apache-2.0 license.

What to know first

CLI and Node.js packages require Node.js 20 or newer.
Paid plans are listed alongside the free option.

Spring Initializr: what it does well

Supports Java, Kotlin, and Groovy.
Offers Maven and Gradle project generation.
Endpoints provide projects and metadata.
Custom metadata and project conventions are supported.
Documented clients include IDEs and command-line tools.

What to know first

The repository describes the project as pre-1.0.
Major refactoring is still possible.
Its custom web UI is not designed for easy extension.

Alternatives to quicktype Alternatives to Spring Initializr The whole list