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UniKit

PDF 旋转

把 PDF 的每一页旋转 90、180 或 270 度:写入页面自带的旋转角并与原有值累加,阅读器与打印都会跟着转。

浏览器本地运行所有计算都在你的浏览器里完成,数据不会离开本机。

PDF(base64)

旋转结果

输出是旋转后的 PDF base64。

正在加载 PDF 模块…

粘贴 PDF 的 base64 后开始旋转

页数: 0 · 角度: 0

这个工具能做什么

  • 把横向扫描的页面转正。
  • 纠正手机拍照生成的倒置页面。
  • 旋转后再合并或加页码。

示例

输入

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

输出

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

角度只接受 90 / 180 / 270,其它值(含 0 与 360)会直接报错,不会静默跳过。

常见问题

能只旋转其中几页吗?

当前会对文档里的所有页面应用同一个角度,不支持按页指定。

旋转角度会叠加吗?

会。写入的是「原角度 + 本次角度」再对 360 取模,所以对已经转了 180 度的文档再转 90 度会得到 270 度。

为什么 0 和 360 也报错?

它们等于「不旋转」,属于无意义请求;本工具只接受 90/180/270 三个真实角度,避免出现「成功但什么都没做」。

会重排内容流吗?

不会。只改页面的 /Rotate,正文与资源原样保留。

关键词:pdfwasmofflinePDF 旋转rotate pdf

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