Đè chồng PDF
Đè chồng hai trang PDF thành một trang duy nhất. Lý tưởng cho việc chèn con dấu, hình nền và hình mờ.
Kéo và thả tệp vào đây, hoặc nhấp để tìm kiếm
or
Đóng vai trò làm khung nền cấu trúc
Kéo và thả tệp vào đây, hoặc nhấp để tìm kiếm
or
Con dấu, biên bảo mật cấu trúc, lưới hoặc tiêu đề trang
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.
Cách sử dụng
Follow these three simple steps to process your file in seconds.
Upload Main PDF
Drag and drop your primary base PDF document.
Upload Layer PDF
Provide the overlay/underlay document that acts as the layer.
Configure Layering
Choose overlay or underlay mode, specify page ranges, and enable page looping.
Compile and Download
Click Compile to process and download the layered result PDF.
Giới thiệu về công cụ này
Overlay PDF allows you to layer pages of one PDF document on top or underneath another PDF document. It is perfect for applying letterheads, adding background grids, stamping watermarks, or fusing layout drafts together.
Supports both Overlay mode (layer goes on top) and Underlay mode (layer goes underneath). Specify custom target page ranges or loop shorter overlay documents to cover the entire base file automatically.
All processing is executed entirely inside your web browser locally, guaranteeing total security and data privacy.
Trường hợp sử dụng
Corporate Letterheads
Layer invoice contents on top of standard company letterhead templates.
Watermarks & Seals
Overlay security stamps, signature seals, or backgrounds across documents.
Drawing Blueprints
Combine draft architectures or layout grids underneath text blocks.
Câu hỏi thường gặp
Have questions? Find quick answers about this tool here.
Overlay places the secondary layer on top of your main content. Underlay places it at the very bottom, acting as a background template.
Yes, if the layer PDF is shorter than the base document, enabling Loop will cycle it (e.g. page 1, 2, 1, 2) to cover all base pages.
Yes, you can target specific pages using range syntax such as "1-5", "odd", "even", or comma-separated lists.