The fastest JSON parser and object serializer.


Keywords
c, json, json-parser, marshaller, oj-gem, rails, ruby, ruby-json-parser
License
MIT
Install
gem install oj -v 3.7.6

Documentation

{}j gem

CI Gem Gem TideLift

A fast JSON parser and Object marshaller as a Ruby gem.

Version 3.13 is out with a much faster parser (Oj::Parser) and option isolation.

Using

require 'oj'

h = { 'one' => 1, 'array' => [ true, false ] }
json = Oj.dump(h)

# json =
# {
#   "one":1,
#   "array":[
#     true,
#     false
#   ]
# }

h2 = Oj.load(json)
puts "Same? #{h == h2}"
# true

Installation

gem install oj

or in Bundler:

gem 'oj'

Rails and json quickstart

See the Quickstart sections of the Rails and json docs.

multi_json

Code which uses multi_json will automatically prefer Oj if it is installed.

Support

Get supported Oj with a Tidelift Subscription. Security updates are supported.

Further Reading

For more details on options, modes, advanced features, and more follow these links.

Releases

See {file:CHANGELOG.md} and {file:RELEASE_NOTES.md}

Links

Follow @peterohler on Twitter for announcements and news about the Oj gem.

Performance Comparisons

Links of Interest

Contributing

  • Provide a Pull Request off the develop branch.
  • Report a bug
  • Suggest an idea
  • Code is now formatted with the clang-format tool with the configuration file in the root of the repo.