Coverton WORKSPACEOn-device · Keep originals · Free downloads
優化 PDF 中的影像
優化支援的 JPEG 物件並檢查實際節省的情況。
- 1Add files
- 2Settings & preview
- 3Review & download
Source files
Drop files here. You can keep adding more files.
Task settings
新增文件開始。
PDF page order
Move pages using buttons or drag. Rotate or remove each page.
Review & download
How to finish your task
Optimize supported JPEG objects and inspect the actual savings. Add files and review settings. Create the result, check the preview, actual size and limitations, then download a new file.
實際例子
Try a lower JPEG quality for a photo-heavy PDF. Check the original and output sizes and the number of optimized images.
範圍和限制
Only supported RGB JPEG images are recompressed. PNG, CMYK and text-heavy PDFs may not shrink; the original is returned if there is no saving.
Files are not uploaded to a server. Outputs are new files, so originals remain unchanged. Review the result before saving.
工作區控制項可能包括英文術語。文件格式名稱和 CSV 列標識符保持不變。
適合哪些用途？
在包含大量照片的 PDF 中重新壓縮支援的 JPEG 物件。文字較多或不支援圖像的 PDF 可能不會縮小。
輸入與處理結果範例
照片較多的 PDF → 最佳化的 PDF 或未更改的原始版本範例說明了工作流程；實際尺寸、支援和識別取決於來源和設定。