Merge PDF Online
Combine multiple PDF documents into a single consolidated file in your preferred sequence. Free, secure, and fast with instant browser-based processing.
Choose PDF files or drop them here
Supported: .pdf • Max file size: 50MB
100% Privacy & Security Guaranteed
Client-Side EncryptionYour files are processed temporarily in your browser memory and never stored on third-party servers. Sensitive data, passwords, and extracted document contents are never logged.
How to Merge PDF Online
Follow these 3 simple steps to process your document in seconds
Upload PDF Files
Select or drag and drop two or more PDF files from your computer or mobile device.
Arrange Order
Drag and reorder the uploaded files to arrange them in the exact order you want them combined.
Merge & Download
Click "Merge PDF" to instantly combine your files into a single document and download the result.
Why Use SumKaro Merge PDF?
Built for speed, uncompromising privacy, and enterprise-grade reliability
Drag & Drop Reordering
Easily adjust the sequence of your files before merging with visual thumbnail cards.
100% Client-Side Privacy
Files are merged directly on your device without uploading confidential documents to cloud servers.
Preserves Original Quality
Vector graphics, high-resolution images, fonts, and hyperlinks remain untouched.
Frequently Asked Questions
Common questions about merge pdf
Is there a limit to how many PDFs I can merge?
You can merge up to 30 PDF files simultaneously with a total combined size of up to 100 MB.
Will merging reduce the resolution or clarity of my documents?
No. SumKaro retains the native vector graphics, embedded fonts, and image resolutions of your original documents.
Is my data secure while merging files?
Yes. Processing occurs directly inside your web browser. Your confidential files are never saved on third-party servers.
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