DocLabDesktop app · Windows · Free
The private PDF editor for Windows
View, annotate, sign, merge, redact, and OCR your PDFs — free, and entirely on your device. No account. No uploads. No cloud.
Annotate
Highlight, underline, sticky notes, free text, shapes, arrows, and free-hand ink — snapped neatly to your text.
Organize & merge
Reorder, rotate, insert, split, and extract pages — or combine many PDFs into one.
On-device OCR
Turn scans and photos into searchable PDFs using your PC's built-in text recognition. No setup, no internet.
True redaction
Permanently remove text and images — a real deletion, not a black box — and strip hidden metadata.
Images → PDF
Drop in pictures or scans and get a tidy, searchable PDF in seconds.
Sign
Draw or import a signature and stamp it across one page or many.
Private by design
Your files never leave your device
DocLab is local-first. PDFs you open, edit, and save stay on your computer — there's no account and nothing is uploaded. The only optional network use is a manual update check and opt-in, anonymized crash reports, both off by default. Read the privacy policy →
New to DocLab? The quick-start guide walks through opening, annotating, organizing, OCR, and saving.
Read the getting-started guide →Good to know
Is DocLab free?
Yes — free on the Microsoft Store. No account, no subscription, no in-app purchases.
Does it upload my files?
No. Everything happens on your device — desktop app and web tools alike. There's no server processing your documents.
What do I need to run it?
Windows 10 or 11. Install from the Microsoft Store and you're ready.
Is there a Mac version?
A macOS version is in the works. For now the desktop app is Windows-only — but the free online tools work on any device, including Mac.
Can I use it without installing?
Yes — the online editor runs entirely in your browser (edit, merge, split, rotate, organize, page numbers, watermark, annotate, image conversion). The desktop app adds OCR, true redaction, and text editing.
Ready to edit PDFs the private way?
Free on the Microsoft Store for Windows 10 and 11.
Get DocLab free →