Merge
Combine PDFs into one, in any order.
Free · Open source · Offline
Every PDF tool,
none of the cloud.
OffPDF merges, splits, compresses, organizes, OCRs, converts and protects your PDFs — entirely on your computer. No uploads, no account, no limits.
OPOffPDFWork with PDFs, privately.
All 18OrganizeConvertSecure
Merge PDFsCombine into one
CompressShrink big files
OrganizeReorder pages
OCRMake searchable
ConvertOffice ↔ PDF
ProtectAES-256
0
PDF tools included
0%
Runs on your device
0
Files ever uploaded
$0
Free & open source
18 tools, one app
Everything you do to a PDF, done locally.
The same toolkit people pay subscriptions for, running on your own machine and free forever.
18 tools. one private app.
Merge, OCR, convert, protect and compress — the work people pay monthly for, running offline on your own machine.
OfflineNo accountOpen sourceAES-256Handles GBs
Split
Break a document into separate files.
Organize
Reorder, rotate and delete pages.
Compress
Shrink huge files to a target size.
OCR
Make scanned PDFs searchable.
Convert
Office, images and PDF, both ways.
Protect
AES-256 password encryption.
Unlock
Remove a password you know.
Poster
Tile a big plan onto A4 sheets.
Private by design
Your files never leave your computer.
Nothing is uploaded
Files are read and written straight from disk. They never touch a server.
Works fully offline
Once installed, OffPDF needs no internet — ever. Use it on a plane or air-gapped.
No account, no tracking
No sign-up, no telemetry, no analytics. The app simply does the job.
Download
Get OffPDF for your desktop.
Free and open source. macOS for Apple Silicon and Windows are ready today — a Linux build is on the way.
macOSApple Silicon (M1–M4) · macOS 11+ · 33 MB · signed & notarized
SHA-256: 211203ee5ab919da65c8977dc0a9ba25cf91223d9fb5a82789fc49c21d6a7e25 WindowsWindows 10 & 11 · x64 · 432 MB · unsigned
Windows may show a SmartScreen warning. Verify the checksum before installing.
SHA-256: 05f4deac01c0362d3ce31ca4abcd4ceae6e7388fa2dd55e44a104f6b595ab625 LinuxAppImage · plannedComing soon
FAQ
Questions, answered.
Everything people ask before downloading OffPDF.
Is OffPDF really free?
Yes. OffPDF is completely free and open source under the MIT license. There is no paid tier, no subscription and no feature paywall — every tool is included.
Are my files uploaded anywhere?
No. OffPDF processes every file locally on your own computer. Your documents are read and written straight from disk and never touch a server, so nothing is ever uploaded or stored in the cloud.
Does OffPDF work offline?
Yes. Once installed the desktop app needs no internet connection at all. You can merge, split, compress, OCR and convert PDFs on a plane or on an air-gapped machine.
Which platforms does OffPDF support?
OffPDF runs on Windows 10 and 11 (x64) and on macOS 11 or later (Apple Silicon). A Linux AppImage build is on the way.
What PDF tools are included?
OffPDF bundles 18 tools: merge, split, compress, organize pages, OCR, Office conversion both ways, PDF to images, watermark, page numbers, crop, stamp & sign, poster/tile, compare, password protect with AES-256, unlock, PDF/A and repair.
Do I need an account to use OffPDF?
No account, no sign-up and no tracking. There is no telemetry or analytics in the app — you download it once and it simply does the job.
Can I use OffPDF without installing anything?
Yes. The free online tools at offpdf.com/tools let you merge, split, compress, crop and extract pages right in your browser — still processed on your device, never uploaded. For OCR, Office conversion and encryption, install the desktop app.
Open source
Built in the open, free forever.
OffPDF is MIT-licensed. Read the code, file an issue, or contribute a tool. No paywalls, no “pro” tier — just a utility that respects your files.