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批量去水印

深入 PDF 內容描述符,精確刪除特定 Tj/TJ 文本流與 XObject 圖像水印而不損害文案。

Drag and drop files here, or click to browse

or

上傳含背景水印的 PDF 文檔

接收水印文本關鍵詞,從底層內容流中定位擦除 Tj/TJ 數據塊,完全保留原始矢量分辨率。

application/pdf Secure
Files auto-deleted after processing
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Designed for Trust and Speed

PDFRunway handles your documents locally, keeping data secure and processing lightning-fast.

Easy to Use

Simple 3-step processes designed for speed, clarity, and non-technical users.

Fast & Reliable

High-performance local compilation keeps processing fast, secure, and responsive.

100% Secure

Your documents never leave your browser. Zero uploads, 100% client-side privacy.

Works Anywhere

Access the full suite on any browser, system, desktop, or mobile device.

使用方法

Follow these three simple steps to process your file in seconds.

  1. Upload watermarked file

    Provide the PDF document showing commercial logos or security labels.

  2. Define target watermark

    Input the exact string to delete, or toggle translucent XObject image cleanup.

  3. Run physical purge

    Click execute to scrub the content operators with high fidelity.

關於此工具

The Batch Watermark Remover is a state-of-the-art PDF sanitizer that physically cleanses documents.

Generic watermark removers usually just overlay white blocks or distort document spacing. This tool utilizes a robust Content Stream Purge technique.

It parses the low-level rendering operators of each page, identifies specific watermark string commands (e.g. "Confidential", "DRAFT") or background image objects, and physically deletes or overwrites them. The watermarks disappear completely, preserving the original formatting and vector quality.

使用場景

Archiving corporate assets

Remove expired "Confidential" or "Draft" watermarks for general public distribution.

Clearing background clutter

Scrub heavy background pictures that distract readers from scanning text.

Document reusing

Cleanse old page footer branding elements to apply new corporate templates easily.

常見問題

Have questions? Find quick answers about this tool here.

No. Unlike visual masks, we rewrite the page binary stream to erase the operators, leaving no traces.

If the watermark is stored as a separate text node or image XObject, the tool can isolate and physically wipe it.

No. The scrubbing engine only target operators matching the specified watermark signature; regular text remains untouched.