Compress files to zip
Create zip file from multiple files
Unzip your file
Create zip from a folder
Merge multiple ZIP files into one
Split ZIP file into smaller parts or separate files
Encrypt ZIP files with 256-bit AES password protection
Create military-grade AES-256 encrypted ZIP archives with PBKDF2
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes inside ZIP archives
Decrypt password-protected ZIP archives with known password
Fix corrupted ZIP archives and recover readable files
Decompress GZ files and convert to ZIP format locally
Decompress BZ2 files and convert to ZIP format locally
Convert ZIP archives to 7Z format for better compression
Convert ZIP archives to TAR or TAR.GZ format locally
Batch convert multiple archives between formats locally
Inspect ZIP archive structure and metadata without extracting
Inspect ZIP file headers, central directory, and binary metadata locally
Detect hidden files, appended data, and ZIP bombs in archives locally
Sort ZIP archive contents into category folders based on file extensions
Generate detailed inventories of ZIP contents without extracting (CSV, JSON, TXT, HTML)
Find and remove duplicate files inside ZIP archives using CRC-32 checksums
Verify archive file integrity against expected checksums
Edit ZIP archive comments, file names, and dates without extracting
Add and edit global archive comments and individual file annotations
Batch rename files inside ZIP archives with find-replace and regex
Evaluate ZIP password entropy, estimate crack times, and check breach databases
Scan ZIP archives for structural corruption, CRC mismatches, and header damage
Add or edit global ZIP archive comments and per-file comment descriptions directly within the central directory records.
Preserves raw compressed payload data unchanged. Fast header updates without decompressing or recompressing your archive.
All comment parsing and file generation run locally inside your browser memory. Your files and comments are never uploaded to any remote server.
Supports full spec ZIP archive comments up to 65,535 bytes with UTF-8 character encoding.
| Security | 100% (No files are sent to server for processing) |
| File size limits | None (No limit on size of files) |
| Usage limits | None (Process as many files as you want) |
| Price | Free |
| User Information Captured | None (We do not request for user information such as email / phone number) |
| Ads | None (We provide complete ad free experience) |
Over 100k Users Trust SafeZipKit for File Compression & Security
Join a growing community of users who rely on SafeZipKit.com for secure file compression, encryption, and efficient data management.
