Decision Workspace
utf8-parser vs encode_unicode vs simdutf8
Side-by-side comparison of Rust crates
49
utf8-parser
growingv0.1.2
A one-byte-at-a-time UTF-8 parser
59
encode_unicode
growingv1.0.0
UTF-8 and UTF-16 character types, iterators and related methods for char, u8 and u16.
58
simdutf8
growingv0.1.5
SIMD-accelerated UTF-8 validation.
Core Metrics
| utf8-parser | encode_unicode | simdutf8 | |
|---|---|---|---|
| Health Score | 49 | 59 | 58 |
| Total Downloads | 4.6K | 161.1M | 161.4M |
| 30d Downloads | 0 | 7.7M | 11.1M |
| Dependents | 0 | 209 | 3.4K |
| Releases | 5 | 13 | 9 |
| Last Updated | 42d ago | 1436d ago | 659d ago |
| Age | 2y 7m | 10y 3m | 5y 2m |
Health Breakdown
utf8-parser
Maintenance
14
Quality
15
Community
4
Popularity
4
Documentation
12
encode_unicode
Maintenance
4
Quality
22
Community
12
Popularity
8
Documentation
13
simdutf8
Maintenance
4
Quality
19
Community
15
Popularity
8
Documentation
12
Technical Details
| utf8-parser | encode_unicode | simdutf8 | |
|---|---|---|---|
| Version | 0.1.2 | 1.0.0 | 0.1.5 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 1 | 3 | 0 |
| Crate Size | 13KB | 57KB | 28KB |
| Features | 0 | 2 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | 1.85 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •encode_unicode leads with a health score of 59/100, but none of the options score above 80.
- •simdutf8 has the most downloads (161.4M), suggesting wider adoption.
- •simdutf8 is depended on by 3.4K crates — strongest ecosystem trust.
- •⚠ encode_unicode, simdutf8 have not been updated in over a year.
- •utf8-parser, simdutf8 are pre-1.0 — API may change.