Merge multiple PDFs into one, or split a PDF into page ranges — all in your browser. No uploads, no signup.
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Merge PDFs
Split PDF
Merge PDFs
Upload two or more PDFs. They'll be merged in the order listed below — drag to reorder isn't supported yet, so upload in the order you want.
Split PDF
Upload a PDF and extract a specific page range as a new file.
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Why Process PDFs in Your Browser?
Merging or splitting a PDF usually means uploading a potentially sensitive document to an unfamiliar website. This tool does the same work using a JavaScript PDF library running locally in your browser — your files are read and processed on your device and never uploaded anywhere.
When to Merge PDFs
Merging is useful for combining multiple scanned pages into one document, joining a cover letter with a resume, or assembling several reports into a single file before sending or archiving. Upload your files in the order you want them to appear in the final merged PDF.
When to Split PDFs
Splitting lets you pull out just the pages you need — extracting a single chapter from a long report, or separating an invoice from a larger scanned batch — without needing the whole original document.
Frequently Asked Questions
Are my PDF files uploaded to a server?
No. Both merging and splitting run entirely in your browser using a JavaScript library — your files never leave your device.
Is there a file size or page limit?
There's no hard-coded limit, but very large PDFs (hundreds of MB) may be slow to process depending on your device's available memory.
Can I reorder pages within the merge tool?
Currently, files are merged in the order you select them in the file picker. To control the order precisely, select files one at a time in your preferred sequence.
Does this tool compress PDF file size?
No — this tool focuses on merging and splitting. Compression usually requires re-encoding embedded images, which isn't included here to avoid degrading document quality unexpectedly.