PDF 교대 병합: 여러 문서 페이지를 A1 B1 순으로 번갈아 합치는 도구
두 개 이상의 PDF를 순서대로 붙이는 대신 A1, B1, A2, B2처럼 페이지를 교대로 섞어 하나로 만듭니다. 양면 스캔본 재결합에 이상적이며, 파일은 서버로 올라가지 않고 무료·비공개로 브라우저에서 바로 실행됩니다.
About Alternate Merge
Zip Pages Together Instead of Stacking Them
A normal merge appends one document after another: all of file A, then all of file B. Alternate merge interleaves them — page 1 from each file, then page 2 from each, and so on — the way a zipper closes. If one file is longer than the others, its leftover pages are appended at the end, so nothing is lost.
The classic use case is duplex scanning on a single-sided scanner. You scan the front of every page into one PDF, flip the stack, scan the backs into a second PDF, and interleave the two to reconstruct the original double-sided document. But it works for any set of PDFs — two files or ten — whenever pages need to alternate rather than concatenate.
What You Can Control
The output order is fully determined by the file order and a per-file reverse switch.
Drag to Reorder
The interleave order follows the file list exactly — drag documents until the sequence matches how the pages should alternate.
Reverse Any Document
Scanned the back sides face-down so they came out last-to-first? Flip that file with one switch and the interleave comes out right.
Two Files or Ten
Interleave isn't limited to pairs — pages cycle through every file in the list, round-robin, until each runs out.
Preview the Output Order
Check the resulting page sequence before you commit, so a misordered scan never makes it into the final PDF.
Built for Duplex Scans — and Everything Like Them
Single-sided scanners are everywhere: flatbeds, phone scanning apps, feeder scanners without a duplex unit. The two-pass workflow they force — fronts first, then backs — leaves you with two PDFs that are useless until they're interleaved. This tool closes that gap in seconds, including the common case where the back-side stack came out reversed.
Beyond scanning, alternate merge handles any round-robin assembly: combining odd and even page exports, weaving chapter files that were split per source, or reconstructing a document that was separated into parallel streams.
How It Compares
Regular merge concatenates. Alternate merge interleaves — a different job entirely.
| 기능 | OxygenPDF | Regular PDF merge | Manual page shuffling |
|---|---|---|---|
| Interleaved page order (A1, B1, A2, B2) | |||
| Reverse a back-to-front scan | |||
| More than two files at once | |||
| Leftover pages appended automatically | |||
| Preview output order first | |||
| No file upload required |
Your Scans Never Leave Your Device
Scanned documents are usually the sensitive kind — contracts, medical records, ID copies, signed forms. Most online PDF tools upload your files to a server to process them, which means copies of those documents sitting on infrastructure you don't control.
OxygenPDF reads, reorders and writes the PDF entirely in your browser. Nothing is transmitted, and closing the tab wipes the data. For documents you'd hesitate to email, client-side processing is the safe default.
PDF 교대 병합: 여러 문서 페이지를 A1 B1 순으로 번갈아 합치는 도구: 자주 묻는 질문
이 도구와 작동 방식에 대해 자주 묻는 질문입니다.
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