Convert TAR to 7Z Online Free

Convert TAR to 7Z for free in your browser. Transform your archives into a highly compressed format for efficient storage and transfer.

Convert TAR to 7Z Online Free

Transform TAR archives into high-efficiency 7-Zip format with superior compression

Last updated:

This page converts your TAR to 7Z files using secure server-assisted processing. Files are uploaded over an encrypted connection, converted on our servers, and are not stored or retained after your download completes, and no sign-up is required. Drop your TAR files below and the 7Z output is ready to download in seconds. TAR and 7Z have different characteristics: depending on whether you're going from a more-compressed format to a less-compressed one or vice versa, the resulting file size and quality will differ accordingly. The exact tradeoffs are explained in the comparison section further down the page.

Drop your TAR or 7Z files here

or click to browse files

Practical limits vary by file and workload
7ZBZ2GZRARZIP

How the Two Formats Compare

Converting from TAR to 7Z allows for the transformation of a simple archiving format into a highly compressed archive format. This is particularly useful for saving space when transferring files or storing large datasets, ensuring that your archives are compact and efficient.

TAR TAR Archive Format

TAR, short for Tape Archive, is a file format utilized in Unix and Linux systems for storing multiple files into a single archive. It does not compress files by default, but it groups them for easier management and transfer.

Originally created in the 1970s, TAR is widely used for backup and distribution of files and is often combined with compression tools like Gzip or Bzip2 to reduce file size.

TAR maintains the original file structure and metadata, making it ideal for system backups, software distribution, or archiving projects where the integrity of file attributes is crucial.[1]

7Z 7-Zip Archive Format

7Z is an open-source archive format designed by Igor Pavlov that utilizes advanced compression algorithms like LZMA and LZMA2. It is known for its ability to achieve high compression ratios, often outperforming other formats like ZIP and RAR.

The 7Z format supports various compression methods, solid compression, and AES-256 encryption, making it versatile for both secure and efficient file storage.

Widely adopted in software distribution and data backup, 7Z is particularly favored by developers and IT professionals for its powerful features and flexibility.[2]

Key Reasons to Convert TAR to 7Z

Maximize Storage Efficiency

Converting TAR to 7Z optimizes the size of your archives, making it easier to store and transfer large datasets without wasting space.

Enhanced Compression Capabilities

7Z uses advanced compression techniques that can significantly reduce file sizes compared to uncompressed TAR archives, facilitating faster uploads and downloads.

Secure Your Archives

7Z supports strong encryption, allowing you to securely archive sensitive files that may be included in your TAR archive.

Simplified File Management

The 7Z format provides a more organized way to manage files, especially when dealing with multiple archives or large datasets.

Key Capabilities

TAR Key Features

  • Archives multiple files into a single file without compression
  • Preserves file system attributes such as permissions and timestamps
  • Widely supported across Unix and Linux distributions
  • Combines with compression tools for efficient storage
  • Ideal for backup and file transfer tasks

7Z Key Features

  • High compression ratios using advanced algorithms
  • Support for solid compression for related files
  • AES-256 encryption for secure archives
  • Open-source and free from licensing restrictions
  • Self-extracting archives for user convenience

Practical Advice

Check Archive Contents

Before converting, ensure your TAR archive contains the desired files. Redundant files will increase the size of the resulting 7Z archive.

Assess Storage Requirements

Be aware that converting to 7Z may increase the storage requirement due to the compression techniques employed. Make sure you have sufficient space for the converted archives.

Test on Target System

After conversion, verify the functionality of the 7Z archive on your target system to ensure compatibility with your tools and applications.

TAR vs 7Z Comparison

FeatureTAR7Z
CompressionNone (archiving only)LZMA/LZMA2 (excellent)
File SizeSame as original filesVery small (20-40% better than ZIP)
SpeedVery fast (no compression)Slower (high compression)
CompatibilityRequires TAR utilitiesRequires 7-Zip software
Use CaseArchiving without compressionMaximum compression with encryption

TAR to 7Z Conversion Data

Converting tape archive without compression (TAR) to high-compression LZMA2 archive (7Z) involves a specific tradeoff. 7Z typically achieves better compression than TAR (smaller archive output).

Typical File Size
7Z typically achieves better compression than TAR (smaller archive output)
Quality Outcome
Lossless conversion (perfect quality preservation)
Typical Conversion Speed
Depends on archive size and compression level

Useful when applications or workflows require the 7Z format specifically.

How to Convert TAR to 7Z

  1. Upload Your TAR File

    Click the upload area or drag and drop your TAR archive. You can convert multiple TAR files at once for batch processing.

  2. Select 7Z Format

    Choose 7Z as the target format. The converter will extract files from your TAR archive and repackage them in 7Z format.

  3. Download Converted 7Z

    Once converted, download your 7Z archive instantly. All files are removed from our servers post-conversion to ensure your privacy.

When to Use Which

Common TAR Use Cases

Backing up system files, distributing software packages, and creating archives for large projects that require multiple files.

Bundling configuration files for applications, archiving source code for version control, and simplifying file transfers over networks.

Common 7Z Use Cases

Distributing software applications where file size is critical, backing up datasets, and compressing large document collections.

Creating portable software packages and compressing game assets for distribution.

TAR Limitations

Lacks built-in compression, leading to larger file sizes compared to compressed formats like 7Z.

Requires additional tools for compression and decompression, adding complexity to the process.

Sources and References

Format details on this page are based on the official specifications and documentation below.

Related Tools

Archive Converter

Convert →

All File Formats Explained

Browse all →

Format Comparisons

Browse all →

Image Converter

Convert →

Document Converter

Convert →

Audio Converter

Convert →

How-To Guides

Browse all →

Concepts Explained

Browse all →