In terms of pure syntactic sugar/ease of use, it's hard to beat nlohmann/json: https://github.com/nlohmann/json https://github.com/nlohmann/json It may not be

In terms of pure syntactic sugar/ease of use, it's hard to beat nlohmann/json: https://github.com/nlohmann/json https://github.com/nlohmann/json It may not be as fast as these other guys but it's sure as heck a lot more intuitive and convenient. For casual JSON usage cases, I've been recommending this library.