jansson ☆

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Description:
C library for encoding, decoding, and manipulating JSON

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: json c-library parsing serialization development

Install: brew install jansson

About:
Jansson is a lightweight C library for encoding, decoding, and manipulating JSON data. It features a robust API for parsing and generating JSON, with full support for UTF-8 and streaming capabilities. Designed for performance and portability, it has no external dependencies and is ideal for embedded systems and high-performance applications.

Key Features:

No external dependencies
Full UTF-8 support
Streaming parser for large data
Memory-efficient design
Comprehensive API for encoding and decoding

Use Cases:

Web service backends for JSON APIs
Configuration file parsing in C applications
Data serialization for embedded systems
Inter-process communication via JSON

Alternatives:

json-c – More widely used but slightly larger footprint
cJSON – Simpler API but less feature-complete for complex JSON

Version History

Detected	Version	Rev	Change	Commit