Smart pdf pro

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Everyone
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Content rating
Everyone
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About this app

SmartPDF Pro is your all-in-one professional toolkit for managing, editing, and securing your PDF documents on the go! Built with a clean, lightning-fast interface, it gives you desktop-level control right from your smartphone or tablet.

Whether you need to brand confidential business documents with custom watermarks, add your signature, insert images, or compress massive files for email, SmartPDF Pro handles it instantly with a live interactive preview.

Key Features:

📄 Advanced Watermarking

Protect your intellectual property by stamping "CONFIDENTIAL", "DRAFT", or custom text onto your PDFs.
Tile Across Page: Automatically repeat your watermark in a diagonal grid to cover the entire document.
Underlay Mode: Seamlessly draw watermarks behind your document text using advanced blend modes so they never block important reading material!
🖼️ Insert Images & Signatures

Add your company logo or a scanned signature directly into any PDF.
Use our intuitive drag-and-drop interactive preview to scale, rotate, and place your images with millimeter precision.
Apply to a single page or automatically stamp it across every page in your document.
✍️ Add Text & Freehand Drawing

Fill out forms or annotate pages by adding custom text.
Use the Freehand Draw tool to markup documents, highlight sections, or sign your name with your finger!
🗜️ Powerful PDF Compression

Struggling to email a massive 50MB PDF? Use our built-in PDF Compressor to shrink file sizes by adjusting image quality—all without losing document clarity.
🎨 Total Visual Control

Live Preview Workspace: Don’t guess how it will look. Pinch-to-zoom, rotate with two fingers, and drag elements around a real-time preview of your PDF before applying changes!
Opacity Sliders: Dial in the exact transparency (from 10% to 100%) for your text, images, and watermarks to get the perfect professional fade.
SmartPDF Pro processes all your files securely on your device. Take control of your documents today!
Professional PDF editor: add custom watermarks, images, text & compress files!
Updated on
Sep 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

🚀 UX & Features: Enabled the dedicated Compress PDF screen with live size estimates, added loading indicators for saving, and improved menu navigation. ⚡ Performance: Hardware-accelerated color inversion for instant processing and added intelligent word-wrapping for Text-to-PDF conversions. 🛠️ Stability: Patched critical file descriptor leaks during Merge/Split operations and fixed memory crash risks across all password tools.