Are my PDFs uploaded?

No — all PDF processing runs in your browser using PDF-lib and PDF.js. Files never leave your device.

Can I edit existing text in a PDF?

You can cover existing text with a Whiteout rectangle and add new text on top using the Text tool. True reflowing of existing PDF text requires server-side rendering which is not available in browser-only tools.

What is the maximum PDF size?

Up to 50MB per PDF file. All processing happens locally in your browser.

pdf-tools

Merge PDF Files

Combine multiple PDF files into one PDF online free. Drag to reorder pages. Browser-based, no upload to server. Free, no upload, instant results in your browser

✓ Free⚡ Instant🔒 Private

No. All PDF processing runs entirely in your browser using PDF-lib and PDF.js. Your files never leave your device.

Drop image here

or click to select PDFs · Paste with Ctrl+V

PDF files only

Max 50 MB · Processed locally · Zero uploads

Settings

Processing…

Change

smaller

Extracted Text

PreviewTap images to zoom

ORIGINAL

Original

RESULT

Result appears here

How to Use

Upload two or more PDF files.

Drag and drop to reorder them if needed.

Click Merge PDFs.

Download your combined PDF.

Quick Answer

Pdf Merge — To merge PDFs online, upload multiple PDF files to Pixaroid PDF Merge, arrange the order, and click Merge. The combined PDF downloads instantly. Free, browser-based, no watermark.

Frequently Asked Questions

Up to 10 PDF files per merge. All processing happens in your browser using PDF-lib.

Yes — merging PDFs does not re-encode content. Quality is identical to the source files.