Creative Studio · Documents
PDF Tools
Merge PDFs into one document, or split out exactly the pages you need. Free, unlimited, and entirely on your device — your files are never uploaded.
Merge PDFs
Add two or more PDFs, arrange them in order, and combine them into a single file.
Drag a file up or down (or use the arrow buttons) to change the merge order — the top file comes first.
Split a PDF
Pull specific pages out of one of your PDFs into a brand-new file.
1-3, 5 takes pages 1, 2, 3 and 5, in that order. Use 2- for "page 2 to the end".
How to merge PDFs
- Add your PDFs. Drop two or more files onto the upload box, or click it to browse. Each file appears in a list with its page count.
- Arrange the order. Drag any file up or down in the list — or use the arrow buttons — so the file you want first sits at the top. The merged document follows this order exactly.
- Remove anything you don't need. The × button takes a file out of the queue without touching the original on your device.
- Merge. Hit "Merge into one PDF". Pages are copied over in order and the combined file downloads as
merged.pdf. - Check the result. Open the download and skim it — the page count should equal the sum of the files you merged.
How to split a PDF
- Add the PDF using the same upload box above (if it's already in the merge list, it's available to the splitter too).
- Pick it in the "Choose a file" dropdown. The dropdown shows the page count so you can write valid ranges.
- Type your page ranges. Pages are numbered from 1. Write ranges like
1-3, 5— meaning pages 1, 2, 3 and 5. Ranges come out in the order you type them, so5, 1-3gives you page 5 first. - Split. The new PDF downloads immediately, containing only the pages you asked for.
Page ranges, explained
The range syntax is deliberately small so there's nothing to memorize. Every entry is either a single page or a start–end pair, separated by commas:
| You type | You get |
|---|---|
5 | Just page 5 |
1-3 | Pages 1, 2, 3 in order |
1-3, 5 | Pages 1, 2, 3, then 5 |
2- | Page 2 through the last page |
5, 1-3 | Page 5 first, then 1, 2, 3 — reordering for free |
Anything outside the document's page count is rejected with a clear message before anything downloads — you never get a silently wrong file.
How it works under the hood
Both tools run on pdf-lib, a well-tested open-source PDF library that executes entirely in your browser. When you merge, each file is parsed locally and its pages are copied — byte for byte — into a fresh document in your chosen order. When you split, only the requested pages are copied out. Because pages are copied rather than re-rendered, text stays selectable, vector graphics stay crisp, and quality is bit-identical to the originals.
FileReader into memory and never sent anywhere. There is no server, no upload, and no analytics on your documents — the page couldn't leak your files even if it wanted to.Frequently asked questions
Are my PDFs uploaded to a server?
No. Merging and splitting run entirely in your browser using the pdf-lib library — your files never leave your device, so this works even for sensitive documents.
Is there a limit on file size or number of PDFs?
No limits are imposed: it's free and unlimited. Very large files are constrained only by your device's memory, since everything is processed locally in the browser.
Does merging change the quality of my PDFs?
No. Pages are copied into the new document exactly as they are — text, images and vector graphics are not re-rendered, so quality is identical to the originals.
Can I reorder pages inside a single PDF?
The merge tool sets the order of whole files. To reorder pages within one file, use the split tool with page ranges in the order you want — for example '3-5, 1-2' produces a PDF with pages 3, 4, 5 followed by 1, 2.
Why is the merged file a different size than the originals added up?
PDFs carry per-file overhead (fonts, metadata, document structure) that isn't duplicated when pages are combined, so a merged file is often slightly smaller than the sum of its parts. Nothing is lost — the pages are identical.