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Built for speed · tuned for size

Big files in.One smart ZIP out.

Compress files and folders without uploading a single byte. Pick pure speed or higher compression.

100% localAES-256 ready

Drop files right here

Add a few files or a whole folder. Nothing leaves your browser—not even the filenames.

Compression recipe

How should we zip it?

Compression mode

Compresses file types that usually benefit and skips compact media.

.zip

The zip extension is added automatically.

Password protectModern AES-256 encryption
Choose files or a folder to unlock compression.
Sarge · local guideNot sure which compression call to make?

Ask Sarge before you ZIP.

Sarge explains the tradeoffs using the files and settings already on this page. The advice stays local, just like the ZIP.

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Ask Sarge a ZIP question
Choose a question above. Sarge will explain the current options without touching your files or changing a setting.

Private by design

Files are processed locally and never sent to a server.

Smart about speed

Already-compact media is stored without wasting time.

Honest results

ZIP overhead is shown when files cannot get any smaller.