FreeZip · Guides
How to Compress Files Online for Free
Compressing files online is the fastest way to make large documents, images, or videos easier to send and store. With FreeZip, you can create a ZIP file directly from your browser — no downloads, no registration, and completely free.
1. What is file compression?
File compression is the process of reducing file size by packaging data into an archive. The most common format is ZIP, which works on Windows, macOS, Linux, and mobile devices.
2. When compression helps
- Text documents (TXT, DOCX, CSV, JSON)
- Spreadsheets, presentations, PDFs
- Folders with multiple files
- Images that are not already optimized (BMP, RAW)
Compression is less effective on formats that already use internal compression, such as MP4 videos, MP3 audio, and JPEG images. These will zip but not shrink much in size.
3. How to use FreeZip
- Go to https://www.freezip.online/
- Click Compress now or scroll to the upload form.
- Select your file or drag it into the drop area.
- Wait a few seconds while FreeZip builds the ZIP archive.
- Click Download ZIP when ready.
Each compressed file remains available for 10 minutes and is then automatically deleted for privacy and security.
4. Why use an online ZIP tool?
- No need to install WinRAR, 7-Zip, or other software.
- Works from any browser, including mobile.
- Completely free, with a 200 MB limit per file.
- Encrypted via HTTPS for safe transfers.
5. Example use cases
- Compress a folder of images before sending by e-mail.
- Zip Word and Excel documents for backup.
- Bundle class assignments or reports into one download.