The short version
A JPEG encoder from the libjxl project, praised for high-quality progressive 4:4:4 compression.
From the HackerLinks archive
cjpegli
A JPEG encoder from the libjxl project, praised for high-quality progressive 4:4:4 compression.
At a glance:
First seen:2026-07-19
Last seen:2026-07-19
Times seen:1
Website:github.com
Why it caught our attention
A commenter gave clear first-hand approval and a concrete compression-quality rationale.
Where it surfaced on Hacker News
2026-07-19
Editorial paraphrase
A commenter said they use cjpegli and that it “compresses best” with its default progressive, full-4:4:4 approach.
Original threadRegressive JPEGs