Decision Workspace
hex-conservative vs base16ct vs qos_hex
Side-by-side comparison of Rust crates
71
hex-conservative
stablev1.1.0
A hex encoding and decoding crate with a conservative MSRV and dependency policy.
67
base16ct
growingv1.0.0
Pure Rust implementation of Base16 a.k.a hexadecimal (RFC 4648) which avoids any usages of data-dependent branches/LUTs and thereby provides portable "best effort" constant-time operation and embedded-friendly no_std support
63
qos_hex
experimentalv0.8.0
Utilities for encoding and decoding hex strings
Core Metrics
| hex-conservative | base16ct | qos_hex | |
|---|---|---|---|
| Health Score | 71 | 67 | 63 |
| Total Downloads | 25.3M | 156.8M | 47.8K |
| 30d Downloads | 2.6M | 15.3M | 21.4K |
| Dependents | 485 | 1.5K | 21 |
| Releases | 15 | 6 | 5 |
| Last Updated | 17d ago | 142d ago | 7d ago |
| Age | 3y | 4y 4m | 2m |
Health Breakdown
hex-conservative
Maintenance
18
Quality
21
Community
12
Popularity
8
Documentation
12
base16ct
Maintenance
9
Quality
15
Community
20
Popularity
8
Documentation
15
qos_hex
Maintenance
16
Quality
15
Community
14
Popularity
6
Documentation
12
Technical Details
| hex-conservative | base16ct | qos_hex | |
|---|---|---|---|
| Version | 1.1.0 | 1.0.0 | 0.8.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | CC0-1.0 | Apache-2.0 OR MIT | AGPL-3.0-only |
| Dependencies | 2 | 0 | 1 |
| Crate Size | 36KB | 11KB | 6KB |
| Features | 4 | 1 | 1 |
| Yanked % | 0.0% | 16.7% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.74.0 | 1.85 | 1.94 |
| Owners | 1 | 3 (team) | 2 (team) |
Links
Quick Verdict
- •hex-conservative leads with a health score of 71/100, but none of the options score above 80.
- •base16ct has the most downloads (156.8M), suggesting wider adoption.
- •base16ct is depended on by 1.5K crates — strongest ecosystem trust.
- •qos_hex is pre-1.0 — API may change.