否 - - rasterize PDF 到 TIFF 将矢量文本转换成像素。 如果您需要可搜索输出, 请将 PDF 保留为 PDF, 并代之以使用文本extraction 工具。 TIFF 输出仅用于视觉显示、 幻灯片甲板或进一步的图像处理 。
那么透明的背景 在 TIFF?
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PNG TIFF preserves the PDF page background as transparent if the source page has no explicit fill (rare for typical documents, common for diagrams exported from Figma / Illustrator). JPG TIFF cannot store transparency — pages render onto a white background. For transparent output target PNG, TIFF, or WebP.
PDF 到 TIFF 需要多少时间才能收到100页的文件?
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About 30-90 seconds for a 100-page PDF → TIFF at 150 DPI. Higher DPI multiplies the time: 300 DPI roughly doubles, 600 DPI roughly quadruples. Premium accounts get more parallel workers — 100 pages typically renders in under 30 seconds for them.