Create a zip without sending your files

Gather as many files as you like into one archive, without any of them leaving your phoneyour tabletyour computer.

zero upload

Drop your files here

or click to browse

All formats · no limit on size or number

The fifty-seven other tools

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How it works

Drop as many files as you like, give the archive a name, and the tool assembles it in your browser. The zip file is made on your phoneyour tabletyour computer, from files that never left it.

What gets compressed, and what doesn’t

Each file is compressed with the standard zip method, the one every unzipping tool knows, but only when it gains from it. A text file, a CSV table, a log or a BMP image often loses three quarters of its size.

Files that are already compressed, such as a JPG photo, a PNG, a video, a Word or Excel document, are stored as they are: recompressing them would gain almost nothing and cost computing time. The tool recognizes them by their first bytes, not by their name.

The compression is your browser’s own, native code: a thirty-megabyte batch is compressed in under a second on a recent computer. To reduce the size of images or PDFs, our compression tools do far better than an archive.

What the archive keeps and what it doesn’t

It keeps each file’s name, accents included, and its content down to the byte. A checksum is calculated for each entry, which lets any unzipping tool check that nothing was damaged.

It doesn’t keep your folder structure: a browser only sees the files it’s given, not the folders they come from. So all the files end up at the root of the archive.

It keeps each file’s modification date, but not the file system’s access rights.

Duplicate names

Two files with the same name can’t coexist in an archive without one overwriting the other when extracted. So the tool renames the second one by adding a number, and tells you which ones were renamed.

Frequently asked questions

Are my files sent anywhere? No. You can check for yourself in thirty seconds: here is how.

Is the zip compressed? Yes, when the file gains from it: a text file, a CSV or a BMP image often loses three quarters of its size. Files that are already compressed, such as JPG, PNG, videos and Office documents, are stored as they are.

Does the archive open everywhere? Yes. It’s a standard zip, readable by Windows File Explorer, the Finder, Linux and phones, with a checksum per file.

Can I zip a whole folder? You can drop all the files it contains, but the folder structure isn’t kept: a browser only sees files, not the folders they come from. Everything ends up at the root of the archive.

What happens if two files have the same name? The second is renamed with a number, and the tool tells you how many files were renamed. Otherwise, one would overwrite the other when extracted.

Is there a size limit? None imposed by us. The only real limit is your machine’s memory, since the archive is made there.