NexusPDF
PDF work that never leaves your computer.
A desktop PDF editor for Windows. Read and rearrange pages, edit existing text and
images, annotate, fill forms, sign, recognise scanned text, clean up scans,
export to Word and Excel, and print — with every engine running on your own
processor. No account, no upload, no subscription.
Download NexusPDF 1.0.2 · Website · Changelog · Support the work
Support the work
NexusPDF is free and stays free — no subscription, no paid tier, no ads, nothing
held back for a “pro” version. It is written by one person in his own time. If it
saved you an hour, a coffee is a fair trade.
| Method | Details |
|---|
| Buy Me a Coffee | buymeacoffee.com/clfankitm8 — card, one-off or monthly |
| Binance Pay | ID 90127003 |
| USDT · TRC20 | wallet address below |
TLbuKujXxfZgAobVsQZ9igTFiGCB12x6Tq
All methods, with QR codes, are on the
website. Stars and bug reports help
just as much as money.
What it does
| Feature | Details |
|---|
| Pages in any order | Reorder, rotate, duplicate, extract. Drag pages from one open document straight into another and drop them where you want. |
| Scans that come out clean | Straighten the sheet, remove scanner speckles, turn uneven grey paper into even white — with a before-and-after preview. |
| Text written on the page | The Text tool writes straight onto the page, as in Acrobat: a line that grows as you type, or a wrapping paragraph in a frame. Any installed font with search, styles for any part of the text, rotation — and the block opens for editing again after saving. |
| Text and images edited in place | Change existing text keeping its font, size and position. Replace a picture, or send a page to an image editor and bring it back. |
| Text recognition, offline | Scanned pages get a searchable text layer. Sixteen language packs ship with the program. |
| Export to Word and Excel | Paragraphs, tables, links and comments. Tables are taken from drawn borders, and where there are none, from column gaps. |
| Print centre | Booklets, posters, several pages per sheet, manual duplex, crop marks and bleed, with a preview of the actual sheet. |
| Comments and drawing | Highlight, note, pencil, line and arrow with stroke stabilisation. Every mark is a standard PDF annotation. |
| Passwords and redaction | AES-256 encryption, and redaction that removes the content underneath rather than covering it with a black box. |
| Signatures and comparison | Sign with a certificate, verify existing signatures, compare two files page by page. |
| PDF previews in Explorer | Folders and the desktop show the first page instead of a generic icon. Pages are read on demand, so a 240-page file costs no more than a one-page one. |
There is also a command-line tool (NexusPdfCli) for batch work: export, merge,
compress, protect, recognise and compare.
Screenshots
Dark and light themes, three interface languages: English, Russian, Ukrainian.
Privacy
Documents are processed locally and never uploaded. There is no account, no
licence server and no telemetry. Nothing is sent while you work — the program
opens no network connections at all. Logs stay on the device and never contain
document content or passwords.
System requirements
- Windows 10 version 21H2 or Windows 11, 64-bit
- About 1 GB of free disk space
- 4 GB of memory; 8 GB is more comfortable for large scans
- No .NET installation needed — the runtime is included
- No internet connection required, during install or afterwards
- Administrator rights once, at install time, for the all-users mode. It is the
default because PDF previews in Explorer are registered machine-wide: the
isolated process Windows builds thumbnails in cannot see per-user
registration. Installing just for yourself needs no rights and works fine,
only without the previews.
Building from source
Requires the .NET 10 SDK and Windows.
The Explorer thumbnail handler is native code, so the full build also needs
Visual Studio with the C++ desktop workload; dotnet build alone does not.
./build.ps1 -All
This restores the pinned native dependencies (qpdf, Tesseract data, OCR models —
versions and SHA-256 sums are in tools/*.lock.json), builds, runs the tests,
and produces the installer, the MSI and a portable archive in artifacts/.
For a plain build and test run:
dotnet build NexusPdf.slnx -c Release
dotnet test tests/NexusPdf.UnitTests -c Release
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