PDF Signature Expert

0+
Downloads
Content rating
Everyone
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About this app

PDF Signature Expert is a powerful all-in-one PDF toolkit designed for professionals and everyday users alike. Manage all your document needs in a single app — no subscriptions, no hassle.

Key Features:

Sign & Seal
Add handwritten signatures or professional seals to any PDF. Position, resize, and place them exactly where you need.

Smart Document Scanner
Turn paper documents into clean, high-quality PDFs using your phone camera.

Full PDF Editor
Draw, highlight, underline, strikethrough, add arrows, rectangles, circles, text, and images directly on your PDF pages.

Merge & Split
Combine multiple PDFs into one or extract specific page ranges into a new file. Batch merge supported from the home screen.

Compress
Reduce PDF file size with adjustable quality — choose low, medium, or high compression to balance size and clarity.

Convert
- Images to PDF: combine multiple photos into a single document
- PDF to Images: export every page as PNG or JPG
- Word / Excel to PDF: convert .docx, .xlsx, and .xls files

Watermark
Add custom text watermarks with full control over opacity, size, rotation, color, and tiled or centered placement.

Security
Protect your PDFs with passwords.

Reader
Smooth, zoomable PDF viewer with text search, bookmarks, form filling, OCR text extraction, and multiple reading modes (Normal, Sepia, Night, Green).

More
- Dark mode support
- Multi-tab document viewing
- Page reordering, rotation, and deletion
- Batch file operations
- Recent files with quick access
- Supports 15+ languages

All core features work completely offline. Your documents stay on your device.

Download PDF Signature Expert today and experience the safest way to handle PDFs on Android!
Updated on
Feb 22, 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.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

What’s new

Added Document to PDF conversion
Added more editing options
Added Dark Mode
Optimized performance

App support

About the developer
LIU, KAITIAN
parsestudio9@gmail.com
China

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