# PDF Toolbox - PDF Editor — Sign, Merge, Compress Offline > Offline PDF toolkit for organizing, optimizing, creating, securing, and editing documents. (iPhone/iPad app by Yung Kei Simon MA.) - Source: https://appshunter.io/ios/app/pdf-toolbox-pdf-editor/id6757252895 (this page in markdown: same URL + `.md`) - Developer: [Yung Kei Simon MA](https://appshunter.io/developer/1794845140) - Category: Productivity, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 6 App Store ratings - Age rating: 4+ - Requires: iOS 17.1 · 12 MB - Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), Chinese (Traditional, Taiwan) - Released: 2026-01-05 - Data updated: 2026-08-21 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/pdf-toolbox-pdf-editor/id6757252895/reviews.md ## What is PDF Toolbox? PDF Toolbox is a free, all-in-one PDF toolkit for iPhone, iPad, and Mac. Merge, split, compress, sign, scan, watermark, OCR, flatten, and convert PDF/A - all 100% offline with zero data collection. 20+ professional tools, no subscriptions, no ads. ORGANIZE - Merge multiple PDFs into one document - Split PDFs by page range or individual pages - Rotate, reorder, extract, or delete pages OPTIMIZE - Compress PDFs - Resize pages to standard or custom dimensions - Flatten annotations and form fields - Repair PDFs (Repair, sanitize, or normalize damaged or malformed PDFs) CREATE & CONVERT - PDF to Images (PNG, JPEG) - Images to PDF / Camera to PDF - OCR - make scanned documents searchable - PDF/A Converter for archival compliance SECURE - Unlock password-protected PDFs - Add password protection with permissions - Edit or remove document metadata - Redaction EDIT - Add text or image watermarks - Insert page numbers - Sign PDFs with draw, type, or image signatures Every tool runs entirely on your device using Apple's native PDFKit and CoreGraphics. No uploads, no servers, no analytics, no tracking. Your documents never leave your hands. ## Key features - Merge and split PDFs - Compress and resize pages - OCR for searchable documents - Sign and watermark PDFs - Password protection and redaction - Convert PDFs to images and vice versa - PDF/A converter ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Small Tip - Coffee | $0.99 | one-time | | Medium Tip - Meal | $2.99 | one-time | | Generous Tip - Super | $9.99 | one-time | | Large Tip - Gift | $4.99 | one-time | ## Frequently asked questions about PDF Toolbox ### Does PDF Toolbox have ads? No, PDF Toolbox is ad-free. The app explicitly states 'no ads' in its description, ensuring an uninterrupted user experience. ### What devices does PDF Toolbox support? PDF Toolbox is available on Mac, iPhone, and iPad, allowing for seamless document management across Apple ecosystems. ### How often is PDF Toolbox updated? The latest version, 2.3.0, was released on May 25, 2026, indicating recent development and ongoing support for the application. ### What is the age rating for PDF Toolbox? PDF Toolbox has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may need to interact with PDF documents. ### Can I use PDF Toolbox offline? Yes, PDF Toolbox is designed to function entirely offline. All tools run on your device, meaning no data is uploaded or tracked, ensuring privacy and accessibility without an internet connection. ### What are the in-app purchases for PDF Toolbox? While the app is free to download and use, it offers in-app purchases. Specific details on what these purchases unlock are not provided in the description, but they likely offer expanded functionality or premium features. ### How does PDF Toolbox compare to cloud-based PDF editors? PDF Toolbox offers a significant advantage by operating 100% offline, eliminating concerns about data privacy and cloud security. It provides professional tools without subscriptions or tracking, unlike many cloud-based alternatives. ### What are the core features of PDF Toolbox? PDF Toolbox offers over 20 professional tools including merging, splitting, compressing, signing, OCR, watermarking, and password protection, all processed locally on your device. ## Version history (last 5 releases) ### 2.4.0 — 2026-08-06 1. Security and privacy updates: password protection is preserved when splitting or reordering PDFs, redaction is more thorough, signatures stay in the Keychain, and sensitive details are kept out of logs 2. Redesigned viewer on iPhone and iPad: solid, high-contrast toolbars and panels that are easier to read while you work 3. Redact in the viewer: select text while viewing a PDF, mark it for redaction, and save to permanently remove the marked content 4. Recent Activity: see your latest runs, tap Run Again, and clear history anytime in Settings 5. Unified tool layout: every tool in the Tools tab and from your library now uses one layout - select files, set options, and process in one scroll ### 2.3.1 — 2026-06-28 1. Watermark, signature, and page numbers now stack without overwriting - switch freely between tools. 2. Password Field Hardening - The show-password toggle no longer triggers autocorrection or password suggestions. 3. Improved Accessibility Support 4. Bug fixes and performance improvements ### 2.3.0 — 2026-05-25 1. Repair PDF (BETA) - It will try to open the damaged PDF using tolerant parsing, reconstructs the internal object graph, and writes a clean, well-formed PDF on output. It does not attempt to "fix bytes in place" - it re-serialises entire document structure from scratch. All done by using Apple Core Graphics + byte-level parsing (with no third party libraries involved). 2. Improved handling on corrupted PDFs to minimise potential crashes 3. Bug fixes and performance improvements ### 2.2.3 — 2026-05-01 1. Presenter Mode - Internal PDF Viewer now support presenting your PDF to external display through HDMI or AirPlay to Apple TV. 2. Bug fixes and performance improvements ### 2.2.2 — 2026-04-09 1. Redaction Tool 2. Improved user experience in Internal PDF Viewer 3. Improved handling of encrypted PDF documents 4. Bug fixes and performance improvements ## More apps by Yung Kei Simon MA - [IM Tracker - Intimate Wellness](https://appshunter.io/ios/app/im-tracker-intimate-wellness/id6741596605) - [myRSS](https://appshunter.io/ios/app/myrss/id6741780258) - [StatBoard - SysInfo & Tools](https://appshunter.io/ios/app/statboard-sysinfo-and-tools/id6746819963) - [MagTicker](https://appshunter.io/ios/app/magticker/id6771432864) All apps by Yung Kei Simon MA: https://appshunter.io/developer/1794845140 ## Related topics [pdf unlocker](https://appshunter.io/ios/topics/pdf-unlocker) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*