Combine multiple PDF files into a single document. Upload up to 10 PDFs, reorder them with up/down controls, and merge instantly in your browser. No file size limits beyond 50 MB per file. Completely private — no data leaves your device.
Drop PDF files here or click to upload
PDF files only. Up to 10 files, max 50 MB each.
Split PDFs into individual pages or extract custom page ranges.
Reduce PDF file size by stripping metadata, forms, and annotations.
Convert images to PDF and view PDF file information.
Resize images with custom dimensions, percentage, or social media presets.
Convert text to camelCase, snake_case, kebab-case, and 7 more.
Upload up to 10 PDF files using the drop zone or file picker. Use the up/down arrows to reorder them as needed, then click "Merge PDFs". The combined file downloads instantly. All processing happens in your browser — no data is uploaded to any server.
Each individual PDF can be up to 50 MB. You can merge up to 10 files in a single operation. The tool processes everything client-side, so performance depends on your device and browser memory.
Yes. After uploading your files, use the up and down arrow buttons next to each file to change the order. The merged PDF will follow the order shown in the file list.
Yes. All merging is done locally in your browser using pdf-lib. No files are uploaded to any server. The tool works offline once the page is loaded. No account or signup required.
The tool supports PDF 1.0 through 2.0. Password-protected PDFs are handled in read-only mode — the tool will attempt to load them but cannot modify encryption settings.