PDF Tools

Merge PDF Files

Combine multiple PDF files into one document. Upload, arrange the order, and download instantly — free, no sign-up, no watermarks.

Drop PDF files here

Drag & drop multiple PDFs or click to browse
Reorder them after uploading

PDF only · Max 50MB per file · No sign-up needed

Files to Merge 0 files

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PDFs merged successfully!

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Step by Step Guide

How to Merge PDF Files — 3 Easy Steps

Upload Your PDF Files

Click "Choose PDF Files" or drag and drop multiple PDFs. Select as many files as you need at once.

Arrange the Order

Drag the file cards to reorder them. The merged PDF will follow this exact sequence top to bottom.

Merge & Download

Click "Merge PDFs". Files combine locally in your browser. Download the result instantly with one click.

Merge PDF Files Online — Free, Fast & Secure

TinyWow's free PDF merger lets you combine multiple PDF files into one document in seconds — directly in your browser. No software installation, no account creation, and no watermarks added to your merged file. Whether you need to merge 2 PDFs or 20, our tool handles it all for free.

Our online PDF combiner uses PDF-lib technology to merge your documents locally. Your files never leave your device — they are processed entirely in your browser, which means maximum privacy and security. All processing happens instantly, so you can combine PDF files and download the result within seconds.

Frequently Asked Questions

Everything you need to know about merging PDF files online

Upload your PDF files using the tool above, drag to arrange them in your desired order, then click "Merge PDFs". Your merged file will be ready to download instantly — completely free.

Yes, 100% free. No account needed, no credit card, no hidden fees. You can merge as many PDFs as you want without any cost.

There is no limit on the number of files. You can merge 2 PDFs or 50 PDFs — the tool handles them all. Each file can be up to 50MB in size.

Completely safe. TinyWow merges your PDFs directly in your browser using client-side processing. Your files are never uploaded to any server and are never shared with third parties.

No watermarks, ever. TinyWow never adds any branding, logo, or text to your merged PDF. The output file is completely clean and professional.

Yes! TinyWow works on all devices — iPhone, Android, iPad, Mac, and Windows PC. Just open your browser, visit TinyWow, and merge your PDFs without installing any app.

No. TinyWow's PDF merger preserves the original resolution, fonts, images, and formatting of every page. The merged PDF is identical in quality to the original files.

Yes! After uploading your files, you can drag and drop the file cards to change their order. The final merged PDF will follow the exact sequence you set.