Devices vs PDF Editor Converter

【Devices】[Device Manager] is a comprehensive iOS local storage cleaning tool that uses privacy-first scanning methods and intelligent file management functions to help users efficiently manage device storage space. **Privacy-First Scanning** All file scanning is completed locally, and no user data is collected or uploaded to ensure personal privacy security. The scanning process is transparent and users can view each detected content. **Smart File Classification** Automatically identify and classify storage occupancy items such as system cache, application residual files, and temporary files. Providing cleaning recommendations based on file type and usage, distinguishing between what is safe to delete and what is recommended to be kept. **Detailed Preview** Before cleaning, users can preview the details of files to be deleted, including file size, source application and creation time. Supports sorting by size to quickly locate file types that take up the largest space. **One-Click Cleanup** Provides simple cleaning operations to remove selected useless files with one click. After the cleanup is completed, the amount of released storage space is displayed, and a cleanup report can be generated for user reference. **Storage Monitoring** Monitor device storage usage in real time and provide visual storage space charts. Supports setting storage space threshold reminders to promptly notify users when space is insufficient. Device Manager focuses on local storage management and does not provide cloud synchronization or cross-device functionality. All operations are performed locally on the device and do not rely on external servers. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://jshruan.xyz/shebeiguanjia/privacy.html

PDF Editor Converter is your all-in-one offline PDF toolbox for iPhone and iPad. Edit, merge, split, compress, convert, sign, and secure PDFs with 74+ professional tools—without uploading files to the cloud. PRIVACY FIRST — 100% ON-DEVICE Every operation runs locally on your device. Your documents never leave your iPhone or iPad. Optional RFC 3161 timestamping sends only a document hash, never your file content. EDIT & ANNOTATE • PDF Editor Workbench: preview pages, edit text in place, add annotations, and export in one flow • Highlight, draw, add notes, stamps, images, and watermarks • Fill PDF forms, redact sensitive content, and edit bookmarks/table of contents SCAN & OCR (MOBILE) • Scan documents to PDF with your camera—multi-page capture with enhance, grayscale, and black-and-white filters • On-device OCR for scanned PDFs—make text searchable without sending files online ORGANIZE PAGES • Merge PDFs (sequential or interleaved for double-sided scans) • Split by page, range, chapter, file size, or delimiter • Rotate, crop, reorder pages with drag-and-drop, extract or delete pages • N-up layout, booklet imposition, poster split, and single long-page export CONVERT & EXPORT • Images ↔ PDF, PDF to images, text, Markdown, HTML, XML, or CSV • Convert Word, Excel, PowerPoint, EPUB, FB2, Markdown, HTML, and email (.eml) to PDF • Export PDF to Office formats where supported SECURITY & SIGNING • Add or remove password protection and permissions • Digital certificate signing (PKCS#12), handwritten signatures, signature validation • Sanitize PDFs, flatten forms, unlock read-only fields POWER TOOLS • Compare two PDFs side by side • Compress PDFs, remove blank pages, auto-rename files • Build multi-step automation workflows for repetitive tasks • Repair damaged PDFs, adjust contrast, apply scanner effects OPEN FROM ANYWHERE Open PDFs and supported documents directly from the Files app or other apps. Share finished files via the system share sheet. Whether you are scanning receipts on the go, signing a contract, or batch-processing documents, PDF Editor Converter delivers a complete PDF workflow—private, fast, and entirely on your device. Supported languages: English, 简体中文, 日本語, Español.