Edit PDF
Free · No Signup · Combine & Reorder

Merge PDF
Files

EditPDF AI lets you merge PDF files online for free into a single organized document. Select two or more files, drag them into your preferred order, and combine them instantly in your browser with private local processing. Practical capacity depends on total file size, page count, browser memory, and device performance.

Drop your PDFs here

Select two or more PDF files to combine them into one

Files up to 150 MB · Local browser processing
100% Local Processing

Multiple Files

Combine multiple PDFs up to 150 MB per file, subject to browser memory and device performance.

↕ Drag to Reorder

Drag rows or use the ▲▼ buttons to set the exact order before merging.

Local Processing

Merging runs locally in your browser with pdf-lib and does not use an application document-processing route.

Before you start

Verified facts

Check access, supported files, limits, and processing before choosing a document.

Free

The core task does not require an account.

Price
Free — no account needed
Account
Not required
Processing
Processed locally in your browser without an application document-processing request
Formats
Input: two or more PDF files · Output: one PDF
File limit
Files up to 150 MB per file · Practical capacity depends on total file size, page count, browser memory, and device performance
Browser support
Modern desktop and mobile browsers with JavaScript, Web Workers, and required file APIs
Clear, practical guidance

What is a PDF merger?

A PDF merger combines two or more PDF files into one organized document, preserving the sequential page order you arrange. EditPDF AI provides an instant browser-based tool to combine PDFs with no software installation.

Files are read and merged locally in the background in your browser. Practical capacity depends on total file size, page count, available browser memory, and device performance.

Practical examples

Common ways people use this tool in real documents and day-to-day workflows.

Project managers

Combine weekly status reports, deliverables, and executive briefing decks into a single polished project package.

Legal & compliance teams

Merge master contracts, addenda, exhibits, and signature pages into one filing-ready document.

Finance & accounting

Consolidate receipts, invoices, statements, and audit worksheets into a unified expense submission.

Students & researchers

Join thesis chapters, cover pages, bibliography, and appendices into one submission-ready PDF.

At a glance

Focused workflow

Combine multiple PDFs into one document.

Supported workflow

Accepts PDF and produces PDF. Enforced limit of 150 MB per file; total capacity depends on device memory and performance

Access and processing

Core tool with browser-based document processing.

Three simple steps

How it works

  1. 1

    Select Multiple PDF Files

    Drag and drop two or more PDF documents into the upload area or click to select files from your computer or phone.

  2. 2

    Reorder File Sequence

    Drag file rows or use the arrow buttons to position your documents in the exact order you want them merged.

  3. 3

    Merge and Download PDF

    Click Merge to combine all pages into a single cohesive document with local browser processing and download the result.

Know before you upload

Formats, limits & privacy

Confirm that your file is supported and understand how this tool handles document data.

Input formats
PDF
Output formats
PDF
File limit
Enforced limit of 150 MB per file; total capacity depends on device memory and performance
Privacy & security

Merging runs locally in your browser without an application document-processing request.

Optional comparison

PDF Merger vs. doing it manually

Open this comparison if you are deciding between the browser workflow and a manual process.

Compare the workflows
Doing it manually

Open each PDF and copy pages one at a time into a new document.

With PDF Merger

Drop every file in at once and set the whole-file order by dragging.

Doing it manually

Re-check page order and formatting after every copy-paste.

With PDF Merger

Pages keep their original layout — the merger copies source pages directly instead of re-rendering them.

Doing it manually

Install desktop software or a print-to-PDF workaround just to combine files.

With PDF Merger

Runs in the browser — no install, no account, and nothing leaves your device.

Quick answers

Frequently asked questions

How do I merge PDF files online for free?
Select or drop two or more PDF files into the tool, arrange them in your preferred order by dragging rows, and click Merge PDFs. The combined document is generated locally and ready to download immediately.
Do I need to create an account to merge PDF files?
No. Merging PDF files is a core browser tool that is free to use and does not require an account, sign-in, or credit card. Files are combined locally in your browser.
Can I rearrange individual pages before merging?
This tool reorders complete PDF documents. If you need to rearrange, rotate, or delete individual pages across multiple documents, use the PDF Page Manager tool.
Is there a file-size or page limit for merging PDFs?
Each individual PDF must be under 150 MB for in-browser merging. Because processing runs locally on your device, practical batch capacity depends on your browser and available device memory.
Are my private PDF documents uploaded to a server?
No. Files are read and merged entirely within your browser, in the background. No document data is sent to external application processing servers.
Does merging PDFs preserve original quality and links?
Yes. Source page content and vector layouts are copied directly without lossy re-compression. Internal links are preserved, though complex outlines should be reviewed after merging.
Learn more

Guides & real-world workflows

Step-by-step guides

How to merge PDF files with EditPDF AIHow to merge alternating pages from two scanned PDFsHow to combine department reports into one PDF

Common use cases

Merge Bank Statement PDFs into One File
Used in workflows for: Small Businesses · Real Estate Agents · Accountants · Healthcare Teams · Teachers · HR & Recruitment
All role workflows →
Core PDF tool

Ready to use PDF Merger?

Combine multiple PDFs into one document Return to the tool above to choose your file, or browse the complete PDF toolkit for another task.

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