Is there a limit on how many files I can add?

No fixed limit — you can add as many files as your device's memory allows.

Can I rename the zip file itself?

Yes — type a name into the box above the Process button. ".zip" is added automatically if you leave it off.

What happens if two files have the same name?

The second one is renamed "name (1).ext" inside the zip rather than overwriting the first — both files are kept.

Does zipping make my files smaller?

Somewhat, for text-based and uncompressed files. Files that are already compressed — JPGs, PNGs, and most PDFs — won't shrink much further, since they're already dense; zipping them mainly bundles them into one download, not reduces their size.

Is my data uploaded anywhere?

No. The zip is built entirely in your browser and your files never leave your device.

Create a ZIP File Online

Bundle any files — PDFs, images, docs, anything — into a single .zip. Free and private.

Drag & drop any files here

or browse

No server-imposed limits · free

Zip file name

Create ZIP bundles any files — PDFs, images, Word or Excel files, whatever you drop — into a single .zip, ready to attach or share. It doesn't look inside your files; it just packs the bytes, so there is no type restriction. Name the archive yourself, and files with the same name are all kept rather than overwriting each other.

What you can do

Any file type: PDFs, images, documents or anything else.
Name the ZIP yourself — .zip is added automatically if you leave it off.
Files with the same name are both kept, the second renamed to name (1).ext.
No fixed limit on how many files you add; it depends on your device's memory.

How it works

1Drop your files onto the page.
2Type a Zip file name, or keep the default files.zip.
3Click Process File.
4Click Download to save the .zip.

Why use SmilingPDF for this

Nothing to install and nothing to sign up for.
Handy for sending several files as one attachment.
The archive is built on your device, so your files are never uploaded.

Private by design

Your file stays on your device.

No upload
No server storage
No account required
Browser-based processing
No watermark

This tool runs inside your browser tab. Your file is read from your device, processed there, and handed back as a download — it is never sent to a SmilingPDF server, so there is nothing for us to store, read, or lose. You can check for yourself: open your browser's developer tools, switch to the Network tab and run the tool. Like most sites, SmilingPDF uses Google Analytics to count visits and which tools are used; that never includes the contents of your files. The privacy policy lists everything the site does collect.