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zxcvbn

v3.1.0 Growing

An entropy-based password strength estimator, originally for Javascript by Dropbox.

MIT Edition 2021 MSRV 1.63

Quick Verdict

  • โœ•Not updated for 1+ year
  • โœ“Stable API (3.x for 9+ years)
  • โœ“Trusted by 525 crates
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
8.5M
Dependents
525
Releases
29
Size
425KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

766.9K downloads in the last 30 days (25.6K/day), up 41% from the previous period.

๐Ÿ”—
Moderate adoption

525 crates depend on zxcvbn. Reasonable ecosystem adoption, though not yet a core dependency.

โœ…
Stable for 9+ years

The API has been stable (1.x) for over 9 years with 29 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐ŸŒŸ
Used by top crates

Notable dependents include async-graphql, broker, genpass, sos, bitwarden-core. When high-quality crates choose zxcvbn, it's a strong quality signal.

Health Breakdown

Maintenance 6/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 8/20

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
18K/day avg+119%
010K20K30K40K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v3.1.0
63%
v2.1.2
22%
v2.2.2
8%
v2.1.1
5%
v2.2.1
2%

Release Timeline

29 releasessince 2016
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2016
2
2017
11
2018
4
2019
2
2020
3
2021
1
2022
2
2023
1
2024
3
2025
2026
Less
More

Feature Flags

default =["builder"]

serbuilder*custom_wasm_env

README

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Maintainers

Dependencies
17
direct dependencies
Dependents
525
crates depend on zxcvbn