Compress Archive

Re-compress archives (ZIP/TAR) with different compression levels quickly and accurately—no registration required. Process multiple files simultaneously with our batch compression feature.

Batch Processing: Select and compress multiple archive files at once

About this tool

This tool lets you re-compress existing ZIP or TAR files with different compression levels. This is useful for reducing file sizes further or adjusting compression strength for faster decompression while maintaining data integrity.

How to use:

Upload one or more .zip or .tar files (up to 10 at once)
Click the Compress button
Wait a few seconds while your files are processed
Download your compressed archive files

Features:

Compresses ZIP and TAR archives with adjustable levels
Batch compression: upload multiple files at once
Preserves file structure and permissions
Compatible with all modern browsers and devices
Secure: your files are processed quickly and not stored permanently

Notes:

Maximum of 10 files per batch compression
Only ZIP and TAR files are supported
Very large archives may take longer to process
Password-protected or corrupted archives are not supported

Common use cases

File optimization — reduce archive sizes for easier sharing and storage
Bandwidth conservation — compress files before uploading to save transfer time
Archive management — adjust compression levels for different use cases

Related Archive Tools

ZIP to TAR Converter

Convert ZIP archives to TAR format for Unix/Linux systems.

TAR to ZIP Converter

Convert TAR archives to ZIP format for broader compatibility.

RAR to ZIP Converter

Convert RAR archives to ZIP format for wider compatibility.

ISO to ZIP Converter

Extract ISO filesystem and repackage as ZIP archive.

Frequently Asked Questions

How many archive files can I compress at once?

You can compress up to 10 archive files simultaneously in one batch process.

Is there a file size limit for compression?

Yes, individual archive files should be under 500MB for optimal performance.

Will the file structure be preserved during compression?

Our compressor maintains the complete file structure and permissions from your original archives.

How do I download my compressed files?

After processing, your compressed archive files will be bundled into a ZIP archive for easy download.

Are my files secure during processing?

Absolutely. Your files are processed securely and are automatically deleted from our servers shortly after compression.

What compression levels are available?

Our tool offers multiple compression levels from fastest (lower compression) to best (higher compression but slower).

Is this archive compressor really free?

Yes, our file compression tools are completely free to use with no hidden charges.