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flate2

v1.1.9 Stable

DEFLATE compression and decompression exposed as Read/BufRead/Write streams. Supports miniz_oxide and multiple zlib implementations. Supports zlib, gzip, and raw deflate streams.

MIT OR Apache-2.0 Edition 2018 MSRV 1.67.0
API bindingsCompression #encoding#gzip#zlib#deflate#zlib-ng

Quick Verdict

  • โœ“Actively maintained (updated 52d ago)
  • โœ“Stable API (1.x for 11+ years)
  • โœ“Massive adoption (55.6K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

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Downloads
424.0M
Dependents
55.6K
Releases
77
Size
83KB

Deep Insights

๐Ÿ“Š
Steady growth

30.7M downloads in the last 30 days (1.0M/day), up 19% from the previous period.

๐Ÿ›๏ธ
Foundational crate

55.6K crates depend on flate2 โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โœ…
Stable for 11+ years

The API has been stable (1.x) for over 11 years with 77 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐ŸŒŸ
Used by top crates

Notable dependents include syn, proc-macro2, rustix, reqwest, object. When high-quality crates choose flate2, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 21/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 14/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
836K/day avg+58%
0500K1.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.1.2
28%
v1.0.28
26%
v1.1.5
16%
v1.0.35
16%
v1.1.1
15%

Release Timeline

77 releases2 yankedsince 2014
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A
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D
2014
5
2015
18
2016
3
2017
8
2018
5
2019
7
2020
5
2021
3
2022
3
2023
3
2024
7
2025
8
2026
2
Less
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Yanked

Feature Flags

default =["rust_backend"]

zlibzlib-ngzlib-rsany_implany_zlibminiz-sysany_c_zlibminiz_oxiderust_backend*zlib-defaultzlib-ng-compatcloudflare_zlib

README

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Maintainers

Dependencies
11
direct dependencies
Dependents
55.6K
crates depend on flate2

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