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阿江要努力鸭

阿江要努力鸭

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GitHub stars 22K! The open-source tool Czkawka quickly clears 30G of duplicate files

🗂️ Six Core Cleaning Modes#

1. Duplicate File Hunter#

  • Intelligent Comparison: Uses SHA-256/BLAKE3 dual hash verification
  • Precise Filtering:
    • Batch exclusion by file extension (e.g., .iso|.dll|.sys)
    • Set minimum file size (adjustable from 1KB to 10GB)
  • Scenario Examples:
    • Quickly locate duplicate downloaded installers
    • Clean up duplicate files received on WeChat
      PixPin_2025-02-15_18-14-07.png

2. Empty Folder Terminator#

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Special Features:

  • Retain whitelist for critical system directories (e.g., Program Files)
  • Support exclusion of specified directory levels (e.g., retain 3-level nested structure)

3. Similar Image Detector#

Technical Highlights:

  • Supports 12 formats including JPEG/PNG/WebP/RAW
  • Similarity threshold sliding control (1%-99% accuracy)
  • Visual grid comparison view

Test Data:

Number of ImagesScan TimeAccuracy
500 images23 seconds98.7%
2000 images1 minute 45 seconds97.2%

4. Large File Archiving Assistant#

  • Three-Dimensional Filtering System:
    1. Sort by file size (top 100 in descending order)
    2. Filter by last access time (not used for over 1 year)
    3. Cluster analysis by type (video/compressed files prioritized)

Supports Detection:

  • Broken shortcuts (.lnk)
  • Invalid symbolic links (Linux/Mac)
  • Redirect failure for library files (.dll/.so)

6. Temporary File Cleaning Expert#

Preset Rule Library:

  • Windows temporary files: %temp%/*.tmp

  • Linux cache files: /var/cache/**.deb

  • Development environment leftovers:

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    1*.log, npm-debug.log, .gradle/caches
    

🎛️ Intelligent Filtering System#

File Type Management#

Category TagIncluded Format ExamplesTypical Uses
Media Files.mp4, .mov, .wavClean up duplicate screen recordings
Development Files.log, .tmp, .cacheOptimize project space
System Files.dmp, .old, .bakSecurely clean backups

Timeline Control#

  • Filter by time dimension:
    • Creation date earlier than 2020
    • Not accessed in the last 6 months
    • Modification date during workdays

🔍 Visual Decision Panel#

File Preview System#

  • Thumbnail Mode: Instant preview of images/documents
  • Difference Comparator: Highlights differences in text files
  • Metadata Analysis:
    1EXIF Information (Camera/GPS)
    2Video Encoding Information (H.264/HEVC)
    

Batch Operation Tools#

Operation TypeSafety LevelRecovery Method
Move to Recycle Bin★★★☆☆Manual Recovery
Permanently Delete★★★★★Irreversible
Compress and Archive★★☆☆☆Decompress Recovery

⚙️ Enterprise-Level Features#

Automated Tasks#

  • Scheduled scanning plans (daily/weekly/monthly)
  • Email notifications for cleaning reports
  • Generate CSV audit logs

Multi-User Support#

1[Permission Configuration Example]
2admin: Full permissions
3auditor: View reports only
4cleaner: Execute preset tasks

💡 All operations provide a "sandbox mode" to test cleaning effects in a virtual environment before executing real operations.

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