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Top JavaScript JSON Libraries 2025

GitHub Libraries → JavaScript → JSON Libraries
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fabian-hiller/valibot 7K +49

added 2 months ago

The modular and type safe schema library for validating structural data

JavaScript Validation Libraries JSON Libraries

sinclairzx81/typebox 5K +25

added 2 months ago

Json Schema Type Builder with Static Type Resolution for TypeScript

JavaScript JSON Libraries Validation Libraries

samchon/typia 5K +22

added 2 months ago

Super-fast/easy runtime validators and serializers via transformation

JavaScript Validation Libraries Serialization Libraries JSON Libraries

flightcontrolhq/superjson 4K +40

added 2 months ago

Safely serialize JavaScript expressions to a superset of JSON, which includes Dates, BigInts, and more.

JavaScript JSON Libraries Serialization Libraries

fastify/fast-json-stringify 3K +4

added 1 month ago

2x faster than JSON.stringify()

JavaScript JSON Libraries

slab/delta 990 +3

added 2 months ago

Simple and expressive JSON format for describing rich-text content and their changes

JavaScript JSON Libraries

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