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utf8-builder vs utf8-width vs simdutf8

Side-by-side comparison of Rust crates

Core Metrics

utf8-builderutf8-widthsimdutf8
Health Score415858
Total Downloads4.0K48.4M107.6M
30d Downloads64.4M10.8M
Dependents01352.5K
Releases399
Last Updated1427d ago124d ago551d ago
Age3y 11m5y 9m4y 11m

Health Breakdown

utf8-builder
Maintenance
4
Quality
17
Community
6
Popularity
4
Documentation
10
utf8-width
Maintenance
11
Quality
15
Community
12
Popularity
8
Documentation
12
simdutf8
Maintenance
4
Quality
19
Community
15
Popularity
8
Documentation
12

Technical Details

utf8-builderutf8-widthsimdutf8
Version0.1.20.1.80.1.5
Stable (≥1.0)✗ No✗ No✗ No
LicenseMITMITMIT OR Apache-2.0
Dependencies110
Crate Size4KB3KB28KB
Features206
Yanked %0.0%0.0%0.0%
Edition202120212018
MSRV1.56
Owners111

Quick Verdict

  • utf8-width leads with a health score of 58/100, but none of the options score above 80.
  • simdutf8 has the most downloads (107.6M), suggesting wider adoption.
  • simdutf8 is depended on by 2.5K crates — strongest ecosystem trust.
  • ⚠ utf8-builder, simdutf8 have not been updated in over a year.