Create ZIP Archives
Compress multiple files into a single ZIP archive. 100% browser-based, files never leave your device.
or drop files here
Maximum total size: 2GB
100% Secure
All processing happens in your browser. Your files never leave your device.
Super Fast
Compress multiple files in seconds with our optimised algorithms.
High Quality
Maintain file quality while reducing file size up to 80%.
Learn more about this tool
About ZIP Compression Technology
ZIP is one of the most widely supported archive formats across Windows, macOS, Linux, and mobile devices. This browser-based ZIP creator lets you combine multiple files into a single archive for simpler sharing, uploads, and backup workflows while keeping your data on your own device.Before emailing a PDF, open the downloaded copy and check fine text at the intended viewing size. The tool can reduce image detail; its target size is not guaranteed. If forms, signatures or searchable text matter, keep the original PDF.
How to Create a ZIP File Online
Select your files
Add the documents, images, media files, or other items you want to include in the ZIP archive.
Choose a compression level
Pick the ZIP compression level that fits your goal, such as faster creation or smaller archive size.
Create and download the ZIP
Generate the ZIP archive in your browser and download it once processing is complete.
Frequently Asked Questions
How do I create a ZIP file?
Simply drag and drop your files into the upload area, select compression level, and click "Create ZIP Archive". Your ZIP file will be ready for download instantly.
Is this ZIP creator free?
Yes, our ZIP creator is completely free with no file limits. Create as many ZIP archives as you need without registration.
Are my files secure?
Absolutely. All compression happens in your browser. Your files are never uploaded to any server. This ensures maximum privacy and security.
What files can I add to ZIP?
You can add any file type to a ZIP archive - documents, images, videos, code files, and more. There are no restrictions on file types.
How to compress files into a ZIP archive?
Drag and drop your files, and our tool creates a compressed ZIP archive. All processing happens locally — your files never leave your device.
What is the maximum file size for creating a ZIP archive?
The limit depends on your device's memory since files never leave your browser. Most computers handle archives up to 2-4 GB without issues, while smartphones may struggle above 500 MB. Closing other browser tabs frees up RAM and helps when bundling many large files.
How much smaller does ZIP compression make my files?
Savings vary by file type. Text documents, spreadsheets and source code often shrink by 50-90 per cent, while already-compressed formats like JPG, MP4 and MP3 typically reduce by only 1-5 per cent. Deflate compression offers a solid balance of speed and size for everyday archiving.
Can I password-protect a ZIP file?
This tool creates standard ZIP archives without password encryption. To secure sensitive files, use desktop software like 7-Zip or WinRAR with AES-256 encryption after creating your archive. Note that classic ZIP passwords rely on ZipCrypto, which modern security standards consider weak.
When to Create ZIP Archives
File Sharing
Bundle multiple files into one for easy sharing
Backup
Create compressed backups of important files
Email Attachments
Attach multiple files as a single ZIP
Website Uploads
Upload multiple files more efficiently
Why Choose Let Compress?
Create a ZIP archive
Bundle files without changing their contents. JPEG, MP4 and other compressed files may shrink very little in a ZIP.
There is no guaranteed saving or exact target for every file. If the result is larger, some tools return the original; compare its format and size before sharing. Before emailing a PDF, open the downloaded copy and check fine text at the intended viewing size. The tool can reduce image detail; its target size is not guaranteed. If forms, signatures or searchable text matter, keep the original PDF.
References & Resources
Authoritative specifications and references for the file formats this tool works with.
Compress and extract archives. Support ZIP, RAR, 7Z, TAR and more formats.