PDF Signer: Sign, Stamp, Edit

Merge, Split & Encrypt PDFs

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

PDF Signer is an offline-first PDF toolkit for iPhone and iPad. Sign, stamp, edit, convert, protect, and export PDFs with a workflow that stays fast and privacy-friendly. Whether you need to sign a contract, add a seal, merge files, split pages, or secure a document before sharing, the app is designed to help you finish the job locally on your device whenever possible. Key features • Handwritten signatures and imported image signatures • Custom seals, image seals, and across-page seals • PDF editing: merge, split, extract, reorder, delete, rotate, and crop pages • Watermarks, page numbers, and redaction • Image to PDF and PDF to image • Password protection, password removal, and permissions control • Recent files and local network transfer Why users choose PDF Signer • Offline-first processing for everyday PDF work • Reusable signature and seal assets for faster repeat tasks • Reliable export results for contracts, approvals, markup, and archiving • Clean bilingual UI with dark mode support The app offers free core usage and a one-time lifetime membership unlock.

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fix some bugs

Version 1.5

The developer, 秋杰 田, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Chongqing Mengwo Technology Co., Ltd.
    Size
    • 59.1 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 2 more
    • English, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © MWStudio
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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