10

8

6

4

2


8.5

9.6
ajv

7.5

9.3
Superstruct

8.9

8.1
Yup
1.0

6.4
Safen

9.3

7.4
joi

5.2

2.7
is-my-json-valid

13 Data Validation modules and projects

  • ajv

    8.5 9.6 L4 TypeScript
    The fastest JSON Schema validator. Supports v5 proposals.

  • Superstruct

    7.5 9.3 TypeScript
    Simple and composable way to validate data in JavaScript (and TypeScript).

    • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Sponsored scoutapm.com

  • Yup

    8.9 8.1 TypeScript
    Dead simple Object schema validation

  • Safen

    1.0 6.4 TypeScript
    validation

  • joi

    9.3 7.4 L3 JavaScript
    Object schema description language and validator for JavaScript objects.

  • is-my-json-valid

    5.2 2.7 L2 JavaScript
    JSON Schema validator that uses code generation to be extremely fast.

  • schema-inspector

    4.3 6.0 L4 JavaScript
    JSON API sanitization and validation.

  • forgJs

    5.9 1.6 JavaScript
    ForgJs is a javascript lightweight object validator.

  • Json validity

    0.6 1.6 L3 JavaScript
    Fast and simple JSON validator

  • quartet

    0.3 0.0 JavaScript
    Functional, clear and customizable

  • JSON-Splora

    6.0 0.0 JavaScript
    GUI for editing, visualizing, and manipulating JSON

  • tv4

    5.7 0.0 JavaScript
    Tiny Validator (for v4 JSON Schema)

  • property-validator

    2.3 0.0 L5 JavaScript
    Easy property validation for Express.

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