Decision Workspace
imagequant vs pngquant vs qntz
Side-by-side comparison of Rust crates
57
imagequant
growingv4.4.1
Convert 24/32-bit images to 8-bit palette with alpha channel. For lossy PNG compression and high-quality GIF images Dual-licensed like pngquant. See https://pngquant.org for details.
44
pngquant
growingv3.0.3
Convert 24/32-bit PNG images to efficient 8-bit format with alpha channel
61
qntz
experimentalv0.1.8
Vector quantization primitives (RaBitQ, ternary, bit packing) for ANN systems.
Core Metrics
| imagequant | pngquant | qntz | |
|---|---|---|---|
| Health Score | 57 | 44 | 61 |
| Total Downloads | 1.1M | 22.0K | 794 |
| 30d Downloads | 44.8K | 0 | 0 |
| Dependents | 284 | 0 | 32 |
| Releases | 57 | 7 | 9 |
| Last Updated | 316d ago | 889d ago | 39d ago |
| Age | 11y 2m | 7y 8m | 4m |
Health Breakdown
imagequant
Maintenance
8
Quality
15
Community
12
Popularity
7
Documentation
15
pngquant
Maintenance
3
Quality
16
Community
5
Popularity
5
Documentation
15
qntz
Maintenance
17
Quality
16
Community
10
Popularity
3
Documentation
15
Technical Details
| imagequant | pngquant | qntz | |
|---|---|---|---|
| Version | 4.4.1 | 3.0.3 | 0.1.8 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | GPL-3.0-or-later | GPL-3.0-or-later | MIT OR Apache-2.0 |
| Dependencies | 6 | 9 | 5 |
| Crate Size | 57KB | 37KB | 58KB |
| Features | 4 | 7 | 7 |
| Yanked % | 66.7% | 28.6% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.65 | 1.63 | 1.80 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •qntz leads with a health score of 61/100, but none of the options score above 80.
- •imagequant has the most downloads (1.1M), suggesting wider adoption.
- •imagequant is depended on by 284 crates — strongest ecosystem trust.
- •⚠ pngquant has not been updated in over a year.
- •qntz is pre-1.0 — API may change.