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Create a solid high-efficiency MAR archive. Upload files or folders to compress with level -11 and 16 threads.

Drag & drop files or folders here

or select from your device

Extract and recover contents of a `.mar` archive. Max upload limit is 100MB. Extraction runs with 16 threads and output is packaged into a tarball.

Drag & drop a .mar file here

or select from your device

What is MAR?

Most regular file shrinkers (like standard ZIP folders) only know one way to pack a box. Whether you put in a written document, a photograph, or a computer program, it tries to fold and squish them all using the exact same technique. Because of this, it often struggles to make your folders much smaller, and it can take a long time trying.

The MAR Difference: Instead of relying on just one trick, MAR acts like a smart container with a whole team of packing experts inside.

When you drop your folder in, MAR instantly glances at what kind of items you have:

  • For written notes and text, it hands them to an expert that knows how to fold words the tightest.
  • For large files and heavy data, it uses a completely different packing style designed specifically for heavy lifting.
  • For things that are already packed as tight as they can go, it smartly sets them aside so it doesn't waste your time trying to squish them any further.