01
Choose files
Select multiple PDF files to combine. Files are loaded into your browser session for local processing.
Document combination
Merge PDF files in your browser.
Combine multiple PDFs into one ordered packet.No upload step for standard workflows. Merge and export in one browser session.
Workflow preview
Browser-based where supportedInput
Multiple PDFs
Runtime
Browser tab
Output
One PDF
Browser-based mergingReorder before export50MB per fileNo account required
Local merge workspace
Build one PDF packet from multiple files.
Preview each document, arrange the file order, and merge everything locally into one PDF.
Browse PDFs
Local merge workflow: PDF inspection, ordering, preview generation, and final packet assembly run in this browser session.
How to use Merge PDF
A clear browser-session workflow for merge PDF work.
The interface should make the route visible: select files, perform the operation, and download the output from the same session.
02
Arrange order
Drag and drop to reorder pages or use the interface to organize your documents before merging.
03
Download merged PDF
Files are merged in your browser and the output is prepared for download in the same session.
Why local processing matters
Compare the processing route before using sensitive documents.
DocuStitch labels supported workflows around the browser session rather than hiding the path behind a generic cloud promise.
DocuStitch supported workflow
- Files selected on device
- Operation runs in browser session
- Output downloads from the tab
Typical cloud workflow
- Files uploaded to remote queue
- Processing depends on server retention policy
- Output returned after transfer
How it works
Files are stitched as a document set, not sent to a decorative cloud box.
Document integrityThe workflow is designed to preserve core formatting, bookmarks, metadata, and page structure through the merge.
Local processingSupported merge workflows run in browser memory so files stay in the current session.
Smart orderingArrange files before exporting your final merged document.
Operator notes
A practical guide to merging PDFs locally
Merging PDF files is essential for document organization, but many tools require uploading files to remote servers before processing. DocuStitch removes that step for standard workflows.
Why local merging matters
With DocuStitch, merge operations run in your browser session using WebAssembly (WASM), so you can complete common document workflows without a separate cloud queue.
Document integrity preservation
The merge workflow preserves core formatting, bookmarks, and metadata so output files remain usable.
Performance in real work
Because processing happens on your device, you avoid upload wait times and can merge files quickly.
01
Document integrity
Preserves core formatting, bookmarks, and metadata during merge workflows.
02
Smart ordering
Arrange pages and file order with clear controls.
03
Batch processing
Combine multiple files in one workflow with preview support.
04
Fast execution
Start processing immediately with local browser resources.
FAQ
Frequently asked questions
Everything you need to know about Merge PDF.
Is it safe to merge sensitive PDFs online?
DocuStitch is designed for local-first processing. For standard workflows, files are processed in your browser session without a server upload step.
Can I merge password-protected PDFs?
Yes. You can unlock protected files with the correct password, then merge them in the same session.
Will the merged PDF preserve formatting?
The workflow is designed to preserve core formatting, bookmarks, metadata, and document structure.
Can I reorder pages before merging?
Yes. You can reorder pages and document sequence before final export.
Do I need to install any software?
No. The tool runs in modern browsers with WebAssembly support.
Knowledge hub
Return to workspace
Start processing in your browser.
Supported workflows run locally in your browser session, so you can finish document tasks without a cloud upload step.