Convert Base64 encoded strings back to ZIP archive files. Decode and download compressed archives instantly.
Paste your Base64 encoded ZIP data to convert it back to a downloadable archive
Enter the Base64 string representing a ZIP archive
ZIP Format Detection
Automatically validates ZIP file signatures
File Count
Shows the number of files in the archive
Instant Download
Download decoded ZIP files directly
Browser-Based
All processing happens locally in your browser
Valid Format
Input must be valid Base64 encoded ZIP data
File Size
Large archives may take longer to process
Privacy
Your data never leaves your browser
Browser Support
Works in all modern browsers
Converting Base64 encoded data back to ZIP archives allows you to retrieve compressed file collections that were previously encoded for transmission or storage. This process decodes the Base64 string and reconstructs the original ZIP archive with all its files and directory structure intact.
The tool validates the ZIP file format by checking for the standard ZIP signature (PK header) and provides information about the archive including file count and size. This ensures you're working with valid ZIP data before downloading.
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Check ZIP file signature and structure
Save the reconstructed ZIP file
A ZIP file is a compressed archive format that can contain one or more files and directories. It uses lossless compression to reduce file size while maintaining data integrity.
The tool automatically validates the decoded data by checking for the ZIP file signature. If the data is not a valid ZIP archive, you'll see an error message.
This tool decodes the ZIP archive for download. Once downloaded, you can use any ZIP extraction tool (built into most operating systems) to extract the files.
The limit depends on your browser's memory capacity. Very large archives may take longer to process or may cause browser performance issues.
Yes! This Base64 to ZIP converter is completely free with no registration required. All processing happens locally in your browser for maximum privacy.