PDF Master Studio · 100% offline

Edit, sign & convert PDFs — all offline

A complete PDF toolkit on your PC: edit text, sign, fill forms, add images, plus merge, split, rotate, convert and encrypt — no uploads, no subscription.

Try it free on Microsoft Store See how it works

✓ Free to try · ✓ Pay once, no subscription · ✓ Private & offline

🔒 100% offline & private

💎 Pay once, no subscription

✍️ Edit, sign & fill forms

🔄 Merge · split · convert

Your whole PDF workflow in one app

Stop juggling websites and uploads. Do everything to your PDFs right on your PC, privately.

Open your PDF

Drop in any PDF — no size limits, no uploads.

Edit or convert

Edit text, sign, fill forms, merge, split or convert.

Save securely

Save or encrypt — nothing ever leaves your PC.

Want the link & PDF tips?

Drop your email and we'll send you the download link plus handy PDF tips. No spam — just useful stuff.

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Ready for a faster PDF workflow?

Try PDF Master Studio free on the Microsoft Store — then unlock the full app with a single one-time purchase.

Try it free on Microsoft Store