Smart PDF Compressor vs TargetKB Photo PDF Compress

Smart PDF Compressor is a free, offline PDF compressor for iPhone and iPad that helps anyone emailing, uploading or storing a PDF dramatically reduce file size (for example, shrinking an 8-page scan from 5.6 MB to 669 KB, 88.1% smaller) — without the file ever leaving the device. ALL PROCESSING IS LOCAL Your documents never leave your device. No internet connection required, no cloud uploads, no data collection. Complete privacy guaranteed. KEY FEATURES - Target Size Mode: Pick an exact target file size (25 MB, 10 MB, 5 MB, 2 MB, or custom) to fit email and upload limits - Keep Text & Links Selectable: Preserves original text, hyperlinks, and document structure by default - Size Estimates First: See the estimated size for each option before you compress - Three Presets: Best quality, Balanced (recommended) and Smallest file - Advanced Options: 1-bit black & white mode, optional OCR text recognition, resolution override (72–300 DPI), and metadata removal - Smart Compression: Automatically detects scanned vs. digital pages and applies suitable settings - Batch Compression: Compress multiple PDFs at once with progress tracking - Share as ZIP: Bundle several compressed PDFs into one ZIP archive and name it before you share - Side-by-Side Preview: Compare original and compressed pages before saving - File History: Browse, preview, rename, and share all your compressed files - Appearance & Languages: Light/Dark mode and support for English, German, French, Japanese, and Korean - Works on iPhone and iPad HOW IT WORKS 1. Tap Choose PDF and pick a file from Files 2. Choose a preset or set a target size — see estimated results before compressing 3. Tap Compress PDF and see the exact before and after sizes 4. Share or save your compressed PDF, or send several as one ZIP PERFECT FOR - Reducing email attachment sizes - Fitting strict upload limits on portals and government forms - Saving storage space on your device - Compressing scanned receipts, contracts, and books - Preparing files for sharing via messaging apps Smart PDF Compressor uses advanced on-device image processing and structure-preserving optimization to deliver fast, reliable compression without sacrificing readability.

TargetKB makes photos and PDFs fit strict upload limits without sending your files to the cloud. Choose a target size, process the file, and export a result that is ready to upload. PHOTO TOOLS - Compress images to exact KB or MB limits - Batch-process up to 20 photos - Resize, crop, fit, or stretch to custom dimensions - Convert HEIC, JPG, and PNG - Remove or preserve metadata - Compare results and save optimized images to Photos PDF TOOLS - Compress PDFs to target sizes - Turn photos into PDF documents - Merge multiple PDFs - Reorder, rotate, or remove pages - Export selected pages - Split documents into ZIP archives FAST MOBILE WORKFLOWS - Import selected photos and PDFs from the iOS Share menu - Share individual results or export a ZIP archive - Use ready-made presets for common upload limits - Follow the animated guide to find the right workflow TargetKB is useful whenever a form, portal, email, or messaging app rejects a file for being too large. It works well for applications, identity documents, expense files, school or job forms, and everyday sharing. PRIVACY FIRST No account is required. Files are processed locally on your device. TargetKB has no ads, analytics, tracking, cloud upload, or third-party SDKs.