Fast JSON is a high-performance JSON parser and generator written in Go, designed for speed and efficiency in handling large volumes of structured data. It avoids unnecessary memory allocations and reflection, enabling significantly faster parsing compared to standard libraries. The project provides a low-level API that allows developers to work directly with JSON structures without converting them into intermediate representations. Its design prioritizes minimal overhead and maximum throughput, making it suitable for performance-critical applications such as APIs, data pipelines, and real-time systems. fastjson also supports both parsing and serialization, offering flexibility in data handling. Overall, it is a specialized tool for developers who need fine-grained control over JSON processing performance.

Features

  • High-performance JSON parsing and serialization
  • Minimal memory allocations for efficiency
  • Zero-reflection design for speed
  • Low-level API for direct data access
  • Suitable for high-throughput systems
  • Lightweight and dependency-free implementation

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Categories

JSON

License

MIT License

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Additional Project Details

Programming Language

Go

Related Categories

Go JSON Software

Registered

2026-05-05