Merge PDF
The Ultimate PDF Suite for Android & Tablet.
Merge, split, compress, sign, watermark, and protect your PDF documents with enterprise-grade precision. Zero server uploads. Lightning fast.
All 10 Professional PDF Tools in One App
Everything you need to manage, edit, organize, and secure your PDF documents seamlessly on mobile and tablet devices.
Merge PDF Documents
Combine multiple PDF files, reports, contracts, and invoices into a single unified document with intuitive drag-and-drop ordering and instant preview.
Split & Extract Pages
Extract custom page ranges (e.g. 1-5, 8, 12-20), split large documents into equal batches, or separate every single page into standalone files.
Lock & Encrypt PDF
Protect confidential data with bank-grade AES-256 password encryption. Restrict unauthorized opening, copying, and printing.
Unlock PDF
Remove password restrictions permanently from your authorized documents for easy sharing, archiving, and editing.
Delete Unwanted Pages
Visual grid selector to tap and remove blank, duplicate, or unnecessary pages from any PDF document in a single click.
Sign PDF Documents
Draw your digital signature with customized pen colors and stroke thickness. Fluidly position, resize, and stamp signatures with vector precision.
Add Watermark
Apply custom text stamps (CONFIDENTIAL, DRAFT, APPROVED) with adjustable angles (-90° to +90°), opacity, font sizes, and color palettes.
Page Numbering
Add professional pagination to your documents with 6 precise header/footer positions and styles (Page X of Y, 1/N, #X).
Rearrange & Rotate
Interactive visual grid to reorder pages via drag-and-drop and rotate individual pages (90°, 180°, 270°) to fix orientation.
Compress PDF File Size
Intelligent compression engine that shrinks PDF size by up to 85% for effortless email attachments and fast uploading, while maintaining crystal-clear text and image clarity.
Flexible Plans for Power Users
Unlock the full potential of Merge PDF with unlimited batch operations, ad-free experience, and priority rendering.
Weekly Vibe
Full unlimited access for short-term projects
- 100% Ad-Free Experience
- Unlock All 10 PDF Tools
- Priority High-Speed Rendering
- Unlimited File Sizes
Yearly VIP
Complete PDF Suite with 7-Day Free Trial
- 7-Day Free Trial
- 100% Ad-Free Experience
- Unlock All 10 PDF Tools
- Unlimited Large Document Batching
- High-Definition Vector Signatures
Monthly Pro
Full unlimited access with monthly flexibility
- 100% Ad-Free Experience
- Unlock All 10 PDF Tools
- Priority High-Speed Rendering
- Cancel Anytime via Google Play
Frequently Asked Questions
Everything you need to know about the Merge PDF application and your privacy.
Never. All PDF modifications (merging, splitting, signing, encrypting, compressing) occur 100% locally on your smartphone or tablet device using native PDF processing libraries. Your documents are never transmitted over the internet or saved to our servers.
Yes, absolutely. All 10 PDF tools are fully functional in complete offline mode (including Airplane mode). You can organize, protect, and compress documents anytime, anywhere.
No registration is required. You can open the app and start working on your documents immediately without entering your name, email, or passwords.
All in-app purchases and subscriptions are handled securely through Google Play Billing. You can manage or cancel your subscription at any time directly through your Google Play Store account settings under Payments & Subscriptions.