Smart PDF Compressor vs PDF Compressor

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.

Compress PDF files quickly, reduce file size, and keep your documents private with PDF Compressor: Reduce PDF. Need to make a PDF smaller for email, work, school, online forms, or document uploads? PDF Compressor helps you reduce PDF file size directly on your iPhone or iPad — with no account required and no document uploads to our servers. SMART PDF COMPRESSION Reduce PDF size while preserving text, links, and document structure whenever possible. Smart Compression is ideal for documents where readability and selectable text matter. MULTIPLE COMPRESSION OPTIONS Choose the compression method that fits your needs: • Smart Compression — Reduce file size while preserving text and links • Maximum Compression — Get a smaller file using stronger compression • Target Size — Try to compress your PDF toward 500 KB, 1 MB, 2 MB, 5 MB, or a custom size • Multiple quality options for stronger compression BUILT FOR REAL-WORLD FILE SIZE LIMITS Trying to upload a PDF but the file is too large? Choose a target size and let PDF Compressor reduce the document as much as possible while protecting its structure. Some PDFs are already highly optimized, so the exact target size cannot always be reached. The app clearly tells you when further compression would reduce document quality or make the file larger. PRIVATE — YOUR PDFs STAY ON YOUR DEVICE Your PDF documents are processed locally on your device. • No PDF uploads to our servers • No account required • No sign-in required • Your original PDF is never overwritten • Save or share the compressed copy only when you choose PREVIEW BEFORE AND AFTER Preview your PDF before compression and check the compressed version when processing is complete. CLEAR COMPRESSION RESULTS See exactly what happened to your document: • Original file size • Compressed file size • Percentage of space saved • Compression method used • Whether text and links were preserved SAVE AND SHARE EASILY Save your compressed PDF to Files or share it directly using the standard iOS sharing options. PDF Compressor: Reduce PDF is designed to make reducing PDF file sizes simple, fast, and private. Choose a PDF, select your compression method, reduce its size, and save the result.