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Reduce PDF size offline. Batch compress PDFs privately - no upload, no account.
📄 Compress PDF — Shrink File Size, 100% On Your Device Need to reduce a PDF's file size for email, a portal upload limit, or just to free up storage? Compress PDF shrinks your documents in seconds — without ever uploading them anywhere. Unlike most PDF compressor apps that quietly send your files to a server, Compress PDF processes every document entirely on your phone. Nothing is uploaded. No account, no sign-up, no cloud dependency — just a fast, private pdf size reducer that works even with no internet connection. 🔒 100% OFFLINE, NOTHING EVER UPLOADED Your documents are private, financial records, contracts, or personal files — they should stay that way. This pdf compressor offline app never sends a single byte of your PDF to any server. Compression happens locally using native on-device processing, so sensitive files never leave your hands. ⚡ 5 COMPRESSION LEVELS — FROM ONE TAP TO FULL CONTROL - High Quality — light compression, virtually no visible quality loss - Medium — balanced size reduction - Standard (Recommended) — smart default, no decisions needed - Low Quality — maximum size reduction for strict upload limits - Custom — full manual control over JPEG quality, image resolution/DPI, color mode (grayscale/monochrome), metadata removal, thumbnail removal, and font optimization, with a live estimated-size preview as you adjust Most PDF compressor apps give you one button and a black box. This one gives you a real dial when you want it — ideal for reducing scanned PDFs, shrinking image-heavy reports, or hitting a strict file size cap for a form or portal. 📚 BATCH COMPRESS MULTIPLE PDFs AT ONCE Select several PDFs and compress them all in one batch job. A dedicated progress screen shows the real status of every file — waiting, compressing, done, failed, or skipped — not a single vague progress bar. When it's done, Share All or Export All bundles every compressed file into one zip, instead of firing off separate share dialogs one by one. 🔐 HANDLES PASSWORD-PROTECTED PDFs If a PDF is locked, the app detects it and asks for the password instead of silently failing — so locked files don't break your workflow. 📖 BUILT-IN PDF VIEWER, HISTORY & EXPORT - Preview any PDF before or after compressing — vertical or book-style scrolling, pinch-to-zoom, rotate, jump-to-page, print, share, and a night-reading mode - Export or Save As to any folder on your device — not locked to app storage - History tracks every compression with before/after size and % saved, searchable by name, with one-tap re-share, re-export, or delete 🌍 BUILT FOR EVERYONE 20 languages including English, Spanish, French, Arabic, Hindi, Portuguese, Russian, Urdu, Indonesian, German, Japanese, Turkish, Vietnamese, Korean, Italian, Thai, Dutch, and Polish — with full right-to-left layout support. Light, dark, and system themes, fully designed (not just inverted colors). Set your default compression level once so you're never re-picking settings. ✅ WHO IT'S FOR - Students and professionals emailing PDFs under a size limit - Anyone uploading to a portal, application, or form with a strict cap - People who just want to free up storage without losing document quality - Power users who want manual control over DPI, quality, and color mode, not just a single "compress" button Compress PDF is free to use, with a Pro option that removes ads and lifts the batch-size limit for unlimited files per batch — support ongoing development and get early access to new features. Download Compress PDF today and reduce your PDF file size in seconds — privately, offline, and exactly the way you want it.