PixelResize

Merge PDF Online Free

Join several PDFs into one tidy file. Combine scanned pages, bundle forms and receipts, or assemble a report from separate documents. Reorder them as you like and download — nothing is ever uploaded.

Your files never leave your device. All processing happens locally in your browser.

Drag & drop your PDFs here

or click to browse (you can select several)

Files never leave your device

Up to 50MB per file

Why use this tool

Combine Any Number

Add as many PDFs as you need and merge them into a single, ordered document.

100% Private

Files are processed entirely in your browser using the Canvas and WebAssembly APIs. Nothing is ever uploaded to a server.

Your Order

Rearrange the files before merging so the final PDF flows exactly the way you want.

Free Forever

No account, no watermark, no daily limits. Every tool on PixelResize is free to use as often as you like.

How to merge pdf

  1. 1

    Upload two or more PDF files.

  2. 2

    Drag or move them into the order you want.

  3. 3

    Merge them into one PDF in your browser.

  4. 4

    Download the combined document.

Frequently asked questions

Related tools & sizes

How to Merge PDFs Into One File, Free and Privately

Application portals and reviewers usually want one PDF, not five attachments. Here's how to merge PDFs into a single, ordered file without uploading them.