Lihenium: Scan PDF & Vault

Lihenium is a powerful PDF scanner, document editor, and secure file vault — all in one offline-first app. Scan documents to PDF, edit and organize files, extract text with OCR, and protect sensitive data in a private Secure Vault. Whether you need a fast document scanner, a PDF editor, an image-to-PDF converter, or a secure vault for personal files — Lihenium does it all without sending your files to the cloud. ★ WHY LIHENIUM • Fast document scanner with auto-edge detection • Full offline workflow — no internet required for core features • Powerful PDF tools and image editing in one clean app • Secure Vault with biometric lock for private files • Lightweight, no clutter, no unnecessary permissions ★ DOCUMENT SCANNER Scan documents, receipts, books, whiteboards, and IDs directly to PDF or image. Auto-edge detection and smart crop give you clean, sharp scans every time. Batch scan multiple pages into a single PDF in seconds. ★ PDF TOOLS • Merge, split, and compress PDF files • Annotate and edit PDFs with highlights, text, and signatures • Image to PDF converter • PDF to image export • Watermark and page management tools ★ OCR — TEXT EXTRACTION Extract text from scanned documents, images, and photos using built-in OCR. Supports printed text recognition and makes your documents searchable. ★ IMAGE TOOLS • Background remover • Passport photo maker and studio • Image resize, compress, and convert • Batch image processing ★ SECURE VAULT Keep sensitive documents, IDs, and personal files in a private encrypted space: • Biometric unlock (fingerprint / face) • Auto-lock and advanced protection • Recovery support • Completely offline private storage ★ SMART FILE LIBRARY Organize PDFs, images, ZIP files, documents, and presentations using folders, tags, and a clean library layout. Centralized activity view tracks all scans, exports, imports, and tool output. ★ BACKUP & RESTORE Optional Google Drive backup for your important files when you need it. Your data stays on your device by default. PERFECT FOR: • Students — scan notes, assignments, and study material • Professionals — manage invoices, receipts, and office documents • Personal use — certificates, IDs, bills, and personal records • Anyone who needs a reliable scan to PDF app Scan smarter. Organize better. Protect what matters.