Merge large PDF files up to 50MB each — albums, design drafts, and long reports combined in seconds locally. No upload or download waiting, saving time and data, all in your browser.
Merge PDFs FreeSupport a single 50MB PDF, so albums and design drafts merge with ease.
Processed in your browser. A file of dozens of MB usually finishes in seconds with no upload waiting.
No server upload. Download right after merging — large files skip the network round trip.
Large files are merged without compression. Images, vectors, and text stay sharp as the originals.
Drop multiple large .pdf files (up to 50MB each).
Drag thumbnails to set the merge order.
Merge locally and download the large PDF directly.
Each source file can be up to 50MB, and you can merge many; the total is limited by browser memory. A report of dozens of MB usually finishes in seconds.
Local browser processing skips the network waiting of upload and download, so merging is usually smooth. For extremely large files, merge in batches.
No. Everything runs locally in your browser. Large files never leave your device, which also saves data.
No. PDF merging is lossless stitching, so images and vectors in albums and design drafts keep the clarity of the originals.
Speed depends on page count and browser performance. Close other heavy tabs, or split and merge in batches.