Optimist CLI
Optimist - CLI
v1.0 — media conversion

Make every asset
smallerfasterleanersharperlighter

One command converts mp4, mov, jpg, png to web-native formats — smaller, faster, ready to ship.

$npm install -g optimist-cli

live demo

Watch it work.

optimist — media convert
$ npx optimist-cli .
$ Would you like to run in Dry Run mode first to preview changes? No
$ Would you like to Delete? yes Original Files?
✦ Found 6 files · 3 video · 3 image
hero-reel.mp4──▶hero-reel.webm
product-demo.mov──▶product-demo.webm
bg-loop.mp4──▶bg-loop.webm
og-banner.png──▶og-banner.webp
avatar.jpg──▶avatar.webp
thumb.gif──▶thumb.webp
Files Conversion completed
mp4 → webmmov → webmjpg → webppng → webp

everything included

One tool. Every format.

Zero config
Drop into any project. No setup files. Reads your assets and acts.
🎬
Video → WebM
VP9 two-pass encode. mp4 and mov shrink by up to 75% with no perceptible loss.
🖼️
Images → WebP
jpg, png — all converted. Quality 85 lossless, browser-native.

Ship leaner.
Deliver faster.