yyjson

A high-performance JSON library written in ANSI C.

Features

Can read or write gigabytes per second JSON data on modern CPUs
Complies with ANSI C (C89) for cross-platform compatibility
Complies with RFC 8259 JSON standard, ensuring strict number format and UTF-8 validation
Offers options to allow comments, trailing commas, NaN/Inf, and custom memory allocator
Can accurately read and write int64, uint64, and double numbers
Supports unlimited JSON nesting levels, \u0000 characters, and non null-terminated strings

Project Samples

Project Activity

See All Activity >

License

MIT License

Follow yyjson

yyjson Web Site

Other Useful Business Software

$300 Free Credits to Build on Google Cloud

New customers can spin up VMs, build with AI, and query data at no cost.

Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.

Start Free

Rate This Project