Next-generation compression

Your photos,
at their finest.

No more trade-offs

You took the perfect shot. Now you want to share it.
But the file's too big to upload. Too heavy to send.
Compress it, and the quality tanks. Every time.

Karui (pronounced "ka-ru-ee") ends that struggle.
Powered by Google's latest compression technology.
Same visual quality. Dramatically smaller files.

No internet required. Runs entirely on your computer.
Your photos never leave your device.
Your memories stay yours.

See for yourself

Same quality. 35% smaller file.

Before 2.4 MB

After 1.1 MB

-54% 3.2MB → 1.5MB

-48% 2.8MB → 1.4MB

-52% 4.1MB → 2.0MB

Speed is everything

SIMD-optimized engine processes hundreds of images in seconds. Waiting kills creativity. Karui respects your time.

Rock solid

Hundreds of photos. Thousands. Heavy files. No problem. The app won't crash on you. Ever.

Works everywhere

Output is standard JPEG. No special software needed. Every browser, every device, just works.

No cloud, fully standalone

No uploads. No servers. Everything runs on your computer. Works offline, anytime you need it.

Mac and Windows

Same great experience on both platforms. A serious compression app for Windows — finally.

Simple pricing

One-time purchase. Not a subscription.

Standard

Get started for free

Free

10 images per day
Full compression engine
7-day Pro trial

Get Started

Pro

For serious work

$20 one-time

Unlimited compression
Batch processing
EXIF control
1 year of updates
Perpetual license

Buy Pro

Your photos,at their finest.