AmpCub TOOLS
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PDF · REMOVE WATERMARK

Remove PDF watermark (best-effort)

Try to clean visible watermarks or stamps. Results vary by file—preview before downloading.

檔案只在本機／瀏覽器處理，不會上傳到伺服器。

選擇檔案

Privacy:Files never leave your browser.

把 PDF 拖進來，或點這裡選檔

一次一個檔案 · 也可拖入資料夾後取其中 PDF · 僅接受 PDF

    移除浮水印為盡力而為：優先處理半透明文字疊加（例如本站「加上浮水印」寫入的內容串流）與 Stamp／Watermark 註解。 無法保證移除燒進圖片的浮水印、已扁平化／點陣化的章記、加密 PDF，或與正文同樣不透明的文字。處理後請務必目視檢查。 若要加上浮水印，請用Text watermark。

    快捷鍵：Ctrl+Enter 移除並下載 · Esc 清除檔案

    回到 PDF 分類

    Frequently asked questions

    Guaranteed removal?

    No. Embedded, encrypted, or vector stamps may remain. Always preview.

    Uploaded?

    Files are processed locally in your browser and are not uploaded.

    Need to add a watermark instead?

    Use the PDF watermark tool to stamp text on purpose.

    KEEP GOING

    Continue the same task with a closely related AmpCub tool.

    PDF watermarkAdd a text watermark.Compress PDFCompare compression approaches and actual output sizes.Organize PDF pagesReorder, rotate and remove pages with thumbnails.