Lihenium: Scan PDF & Vault

Lihenium Studio

Contains adsIn-app purchases

About this app

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.

What’s new

Offline by design. Private by default. 🔒

🚀 What's New in Lihenium 1.0.3:
• Fixed bugs for a faster, smoother scanning experience.
• Fixed Doc Library saving & layout issues.
• Optimized backend performance & app stability.
• Added a seamless new way to share your feedback directly in the app!

✨ Scan, Vault, Merge, OCR, Passport Maker & more—all 100% offline. Thanks for your early support!