📦 File Compressor
Smart compression of file content, significantly reduces file size while maintaining document quality
✨ Features
- • Support PDF and text file formats
- • Three compression levels: light, medium, high compression
- • Adjustable compression quality (1-100%)
- • Smart compression algorithm, maintains optimal quality
- • Completely free to use
- • Protect your privacy, files are not stored
Select File
Drag files here
or click to select files
Supports PDF, text files, etc., max 50MB
Compression Settings
Compressing...
Preparing...
🎉 Compression Complete!
📖 Instructions
Select or drag the file you want to compress to the upload area above
Choose compression level and quality settings
Click the "Start Compression" button and wait for processing to complete
Download the compressed file and enjoy the smaller file size
📋 Supported File Formats
📄 PDF Files
PDF format files
Compressed using Ghostscript, maintains quality
📝 Text Files
TXT, HTML, CSS, JS, JSON, XML, CSV, MD, YAML, PHP, PY, JAVA
Remove whitespace and comments, optimize content
📋 Compression Level Description
🟢 Light Compression
Suitable for: Important files, situations requiring high quality
Compression ratio: 10-30%
🟡 Medium Compression
Suitable for: General files, balance quality and size
Compression ratio: 30-60%
🔴 High Compression
Suitable for: Archive files, network transmission
Compression ratio: 60-80%
常見問題(FAQ)
支援壓縮為 ZIP 和 GZIP 格式,可解壓縮 ZIP、GZIP、TAR.GZ 等常見格式。
已經壓縮過的檔案(如 JPG、MP4、ZIP)再次壓縮效果有限,因為可壓縮空間已很少。純文字、CSV、JSON 等格式壓縮效果最好。
單次上傳最大支援 50MB。
不會。所有處理均在記憶體中完成,處理後立即丟棄,不留存任何資料。