透過壓縮和最佳化文件結構來縮小 PDF 檔案大小，所有處理在瀏覽器本地完成，保護隱私。
Checking Converter Service...
Drag & drop a file here, or click to browse
Supports PDF files
Upload a PDF and click Process to compress it. The optimized file will download automatically.
Compression uses object stream optimization. Results vary by PDF content.
Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.
A: Results vary, but redundant metadata and cross-reference table optimization can noticeably reduce size.
A: Text and vector graphics are preserved exactly. Embedded images may be slightly re-encoded.
This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.