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[![GoDoc ](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square )](https://pkg.go.dev/github.com/json-iterator/go)
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A high-performance 100% compatible drop-in replacement of "encoding/json"
# Benchmark
![benchmark ](http://jsoniter.com/benchmarks/go-benchmark.png )
Source code: https://github.com/json-iterator/go-benchmark/blob/master/src/github.com/json-iterator/go-benchmark/benchmark_medium_payload_test.go
Raw Result (easyjson requires static code generation)
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| | ns/op | allocation bytes | allocation times |
| --------------- | ----------- | ---------------- | ---------------- |
| std decode | 35510 ns/op | 1960 B/op | 99 allocs/op |
| easyjson decode | 8499 ns/op | 160 B/op | 4 allocs/op |
| jsoniter decode | 5623 ns/op | 160 B/op | 3 allocs/op |
| std encode | 2213 ns/op | 712 B/op | 5 allocs/op |
| easyjson encode | 883 ns/op | 576 B/op | 3 allocs/op |
| jsoniter encode | 837 ns/op | 384 B/op | 4 allocs/op |
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Always benchmark with your own workload.
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The result depends heavily on the data input.
# Usage
100% compatibility with standard lib
Replace
```go
import "encoding/json"
json.Marshal(& data)
```
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with
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```go
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import jsoniter "github.com/json-iterator/go"
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var json = jsoniter.ConfigCompatibleWithStandardLibrary
json.Marshal(& data)
```
Replace
```go
import "encoding/json"
json.Unmarshal(input, & data)
```
with
```go
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import jsoniter "github.com/json-iterator/go"
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var json = jsoniter.ConfigCompatibleWithStandardLibrary
json.Unmarshal(input, & data)
```
[More documentation ](http://jsoniter.com/migrate-from-go-std.html )
# How to get
```
go get github.com/json-iterator/go
```
# Contribution Welcomed !
Contributors
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- [thockin ](https://github.com/thockin )
- [mattn ](https://github.com/mattn )
- [cch123 ](https://github.com/cch123 )
- [Oleg Shaldybin ](https://github.com/olegshaldybin )
- [Jason Toffaletti ](https://github.com/toffaletti )
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Report issue or pull request, or email taowen@gmail.com, or [![Gitter chat ](https://badges.gitter.im/gitterHQ/gitter.png )](https://gitter.im/json-iterator/Lobby)