Ajv
UnclaimedEnsures data validity in JavaScript applications with fast and secure JSON schema validation.
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TL;DR - Ajv
- Validates JSON data using declarative schemas.
- Compiles schemas to optimized JavaScript for high performance.
- Supports multiple JSON Schema standards and JSON Type Definition.
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Super fast validation due to optimized code compilation
- Enhances security and reliability of JavaScript applications
- Reduces the amount of manual validation code needed
- Supports multiple industry-standard schema definitions
- Widely adopted and trusted by major projects and developers
Cons
- Requires understanding of JSON Schema or JSON Type Definition
- Initial setup might require learning the schema syntax
Key Features
JSON Schema validation (drafts 04, 06, 07, 2019-09, 2020-12)JSON Type Definition (RFC8927) supportSchema compilation to optimized JavaScript codeCross-environment compatibility (Node.js, browser, Electron, WeChat mini-apps)Declarative data validation logic
Pricing
Free
Ajv is completely free to use with no hidden costs.
About Ajv
By Toolradar Team·
Ajv is a high-performance JSON schema validator for JavaScript applications. It provides a robust and reliable way to validate JSON data against declarative schemas, eliminating the need for manual validation code. This ensures data integrity and security across various JavaScript environments, including Node.js, browsers, Electron apps, and WeChat mini-apps.
The tool supports multiple JSON schema standards, including JSON Schema (drafts 04, 06, 07, 2019-09, and 2020-12) and JSON Type Definition (RFC8927). By compiling schemas into optimized JavaScript code, Ajv delivers super-fast validation, making it suitable for applications requiring high performance. It's widely adopted by major projects like ESLint and is praised for its rich API and reliability in production environments.
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Ajv FAQ
What is Ajv?
Ajv is a JSON schema validator for JavaScript applications that ensures data validity by compiling declarative schemas into optimized JavaScript code. It supports various JSON Schema drafts and JSON Type Definition.
How much does Ajv cost?
Ajv is free to use as it is an open-source project.
Is Ajv free?
Yes, Ajv is free and open-source.
Who is Ajv for?
Ajv is for JavaScript developers and teams building applications in Node.js, browsers, Electron, or WeChat mini-apps who need to implement robust, fast, and secure data validation for their JSON data.
Source: ajv.js.org