📄 PDF工具

将多个PDF合并为一个，或将PDF分割为单独页面——完全在浏览器中完成，无需上传。

在浏览器中将PDF页面即时转换为PNG或JPG图片，无需上传文件。

为PDF每一页添加文字或图片水印，可控制位置、不透明度和旋转角度。

在PDF页面上添加文字、签名、形状和图片，即时下载已注释的PDF。

通过删除元数据和优化文件结构来减小PDF大小，完全在浏览器中运行。

Rotate all pages or selected pages in a PDF by 90°, 180°, or 270°. Fix upside-down or sideways scans instantly — 100% browser-side, no upload.

Remove unwanted pages from a PDF instantly. Enter page numbers or ranges to delete, keep everything else. No upload, no account needed.

Pull out specific pages from any PDF and save them as a new document. Enter a page range or individual pages — done in seconds, no upload.

Flip the page order of any PDF — last page becomes first. Useful for scanning workflows that produce reversed stacks. Free, browser-side.

Insert one or more blank pages at any position in your PDF — start, end, or between specific pages. Browser-side, no upload required.

Convert interactive PDF form fields, checkboxes, and annotations into static content. Prevents editing of filled forms and ensures consistent rendering.

Stamp page numbers on every page of a PDF — choose position, starting number, and style. Perfect for long reports and documents. Browser-side.

Add password protection to any PDF. Set an open password to restrict access or an owner password to prevent printing and copying. 100% browser-side.

Automatically detect and delete empty or near-empty pages from a PDF. Cleans up scanned documents with scanner-inserted blank pages. Browser-side.

Extract all text from a PDF file. Get a plain-text copy of any PDF's content — searchable, copyable, and ready to paste. 100% browser-side.

Drag and drop PDF pages to reorder them visually. See thumbnail previews of every page, rearrange to any order, and download the new PDF.

Convert each PDF page to a high-resolution image and repackage as a flat PDF. Removes hidden text, metadata, and editable layers. Browser-side.