PDF Merger
Merge multiple PDF documents into a single file locally.
PDF Merger & Combiner
Combine multiple PDF documents into a single file with custom ordering. 100% private in-browser merging.
Drag & drop image files here, or browse
Select or drop PDF files to combine. Order can be rearranged below.
Merge Summary
Files will be concatenated in the exact queue order shown. Interactive form fields and bookmarks are preserved where possible.
How to use PDF Merger
Upload File
Drag & drop your files into the local dropzone or browse from your device.
Adjust Settings
Customize options, formats, quality, or dimensions in real-time.
Download Result
Save high-quality output files directly to your device instantly.
Why use ImgZero for PDF Merger?
Frequently Asked Questions
Is there a limit on how many PDFs I can merge?
Since processing happens locally in your browser, the practical limit depends only on your device's available memory.
100% Client-Side Privacy Guarantee
Your files stay on your machine. No server uploads and no file-content tracking.