Side by side

crun vs JPEG-Optimizer

Both stand on image compression software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

crun

Free plan LinuxSelf-hosted

crun provides a free, Linux-focused OCI runtime with command-line container operations and rootless support. Note the cgroup v1 deprecation and limited guarantees for fixes to older versions.

Visit crun

JPEG-Optimizer combines batch image handling with adjustable compression and resizing controls in a free web tool. Users should note the lossy mode and the privacy policy’s stated analytics and log-data collection.

Visit JPEG-Optimizer

The facts

	crun	JPEG-Optimizer
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux, Self-hosted	Web
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	github.com	jpeg-optimizer.com
On image compression software	#73 of 85	#77 of 85

crun: what it does well

Conforms to OCI Container Runtime specifications.
Offers rootless use with automatic user namespaces.
Release binaries listed for amd64 and arm64.
Documents Podman integration and a Lua binding.

What to know first

Linux only; Windows containers are not supported.
cgroup v1 support is deprecated.
Prior-version fixes are best effort, not guaranteed.

JPEG-Optimizer: what it does well

Processes up to 20 images at once
Quality and dimension controls
Accepts several JPEG extensions
Individual or ZIP downloads
Browser-based processing stated

What to know first

Compression mode is lossy
Supports JPEG as listed format
Log data collection is described
No paid plan listed

Alternatives to crun Alternatives to JPEG-Optimizer The whole list