Merge PDFs
Drop multiple PDFs and download a merged file in the correct order.
100% local processing: no upload to a server. Your files stay on your device.
1
Drop your files
Drop one or more files.
2
Choose a setting
Adjust options (format, quality, ratio…).
3
Download
Download the result, with the localoptim_ prefix automatically.
Drag and drop here
Drag and drop here, or use the button. You can also drop directly onto the list to reorder.
100% local processing: no upload to a server. Your files stay on your device.
Generator
Set the options, then start the generation.
100% local processing: no upload to a server. Your files stay on your device.
Files
You can reorder by drag and drop.
Preview
Preparing
Downloads
Frequently asked questions
Drag and drop your files, reorder them, then export. The result follows exactly the displayed order.
No. Privacy-first: no upload, no server storage.
This tool merges PDFs. Convert your images to PDF first if needed.
Encrypted PDFs can prevent merging. Unlock them before merging.
Because everything runs in your browser. Reduce file sizes or merge in multiple steps.
Yes: no personal data collected, no file stored on a server.
Usually no: pages are not converted to images, so there’s no degradation.
Settings
Add multiple PDFs, reorder them, then merge into a single file.
Help