compare
Caesium vs pngquant
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Caesium | pngquant |
|---|---|---|
| Language | C++ | C |
| Licence | GPL-3.0 | Other |
| Stars | 6.5k | 5.8k |
| Latest | v2.8.5 | 3.0.3 |
| Last push | 2026-10-05 | 2026-10-27 |
| Release cadence | about 35 days between releases | too few releases |
| Active contributors | 2 commit authors on the default branch in the last 90 days | 1 commit author on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace TinyPNG. Alternatives to TinyPNG →
Full replacementCaesiumCompresses JPEG, PNG, WebP and TIFF in batches on your machine.
Full replacementpngquantLossy PNG compression by palette quantization from the command line; no JPEG or WebP support and no web interface.
Caesium
unsigned The latest release, v2.8.5, carries no signature GitHub could verify.
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pngquant
unsigned The latest release, 3.0.3, carries no signature GitHub could verify.
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