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simd-json

v0.17.0 Growing

High performance JSON parser based on a port of simdjson

Apache-2.0 OR MIT Edition 2024 MSRV 1.88

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (2.7K crates depend on it)
  • โœ“Permissive license (Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
10.9M
Dependents
2.7K
Releases
114
Size
172KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

1.3M downloads in the last 30 days (44.1K/day), up 32% from the previous period.

๐Ÿ”—
Widely adopted

2.7K crates depend on simd-json. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, simd-json hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include polars-io, serenity, oxc_resolver, polars-json, typesize. When high-quality crates choose simd-json, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
34K/day avg+69%
020K40K60K80K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.14.3
37%
v0.14.2
29%
v0.13.10
12%
v0.17.0
12%
v0.15.1
9%

Release Timeline

114 releases7 yankedsince 2019
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2019
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2021
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2022
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2023
19
2024
13
2025
4
2026
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Yanked

Feature Flags

default =["swar-number-parsing", "serde_impl", "runtime-detection"]

perfallochints128bitdocsrsbench-allbench-logknown-keyno-inlineserde_impl*bench-serdearraybackendbench-canadabench-twitterordered-floatbig-int-as-floatruntime-detection*value-no-dup-keysbench-citm_catalogbench-apache_buildsbench-github_eventsswar-number-parsing*approx-number-parsingbench-event_stacktrace_10kb

README

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Maintainers

Dependencies
19
direct dependencies
Dependents
2.7K
crates depend on simd-json