Create ZIP Files Online
Free online ZIP compressor: combine files and folders into a ZIP archive. 100% local in your browser — no upload, no signup.
About ZIP Compressor
ZIP Compressor is a free online data tool that runs entirely in your browser. There is nothing to install and no account to create: open the page, use the tool, and download the result. Because all processing happens locally on your device (via WebAssembly), your files and text are never uploaded to any server.
How to use ZIP Compressor
- Drop your file(s) into the upload area, or click it to browse.
- Adjust the options if needed.
- Click the action button and download the result — processed locally, in seconds.
Frequently asked questions
Is ZIP Compressor really free?
Yes — ZIP Compressor is completely free, with no account, no watermark, and no usage limits. It runs entirely in your browser.
Are my files uploaded to a server?
No. All processing happens locally on your device using WebAssembly. Your files never leave your computer — close the tab and nothing remains.
Which browsers are supported?
Any modern browser on desktop or mobile: Chrome, Firefox, Safari, and Edge.
Related tools
Age Calculator
Calculate exact age in years, months, and days, plus total days/weeks/hours lived and a next-birthday countdown.
runs locallyBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text, instantly in your browser.
WebAssemblyCLI / agentCase Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
WebAssemblyCLI / agentColor Converter
Convert colors between HEX, RGB, and HSL formats instantly.
WebAssemblyCLI / agentColor Palette Extractor
Extract the dominant colors from any image as a hex palette with percentage shares.
runs locallyCron Parser / Schedule Explainer
Translate any 5-field cron expression into plain English and see the next 10 run times — computed locally in your timezone.
runs locally