Combine multiple PDF files into one document instantly — free, no sign-up.
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Our free online PDF merger lets you combine any number of PDF files into a single document in seconds. Simply upload your PDFs, drag and drop to arrange them in your preferred order, and click Merge. Your files are processed securely on our servers and permanently deleted after 5 minutes. No account required — just fast, private PDF merging that works in any browser on any device.
Click the upload area or drag and drop multiple PDF files at once. You can add as many PDFs as you need to merge.
Drag and drop the PDF thumbnails to rearrange them in your desired order. Each file shows its page count and a preview of the first page.
Click the 'Merge All PDFs' button. Your merged PDF will be ready in seconds — click Download to save it to your device.
All processing is done securely. Your files are automatically deleted after 5 minutes.
Advanced algorithms ensure the best possible output quality for your files.
No hidden fees, no credit card required. Use our basic tools free forever.
Everything runs in your browser. No downloads, plugins, or software required.
There is no hard limit on the number of files per merge, but the total combined file size must not exceed 50 MB. If your files exceed this, try merging them in batches.
Yes. All uploaded files are processed on our secure servers and permanently deleted after 5 minutes. We never access the content of your files and do not share them with anyone.
Password-protected PDFs cannot be merged directly. You must remove the password protection first before uploading. Use our Unlock PDF tool for this.
No. Our merger preserves the full resolution, formatting, fonts, and images of all source PDFs. The output quality is identical to the originals.
Yes. After uploading, you can drag and drop the file thumbnails to rearrange the order. The final merged PDF will follow the order shown on screen.
The free tool allows up to 20 merge operations per day per IP address. This is more than enough for personal and professional use.
The tool works in all modern browsers including Chrome, Firefox, Safari, and Edge on both desktop and mobile devices.