JSTS Office

One app. All conversions. Instantly convert and extract PDF, RAR, TAR, ZIP, IMG & more. JSTS Office handles it all—fast, clean, powerful.

JSTS Office is an all-in-one free file management and document conversion app for iPhone and iPad. It allows users to manage, extract, and convert files across a wide range of formats including PDF, Word, Excel, PPT, images (JPG/PNG), ZIP, RAR, and TAR—all in a single, easy-to-use application. JSTS Office simplifies complex file conversions and compressions, making it the perfect tool for professionals, students, and anyone who works with digital documents.

【JSTS Office Highlight Features】-

All-in-One File Manager & Converter :

• Convert between PDF, Word, Excel, PPT, and images • Extract and convert compressed formats: ZIP, RAR, TAR • Convert images or PDFs directly to ZIP or TAR files • Batch file handling and fast conversion engine

Powerful RAR, ZIP, and TAR Extraction :

• Extract and view contents of RAR, ZIP, and TAR archives • Preview extracted contents before saving or sharing • Seamless handling of large files with minimal processing time

Image & PDF Conversion Tools :

• Convert images (JPG, PNG) to PDF, ZIP, or TAR • Turn scanned documents into shareable formats • Lightweight PDF handling without quality loss

Easy-to-Use Interface for All Users :

• Clean and intuitive design for quick access • Drag, sort, delete, and organize files with ease • One-tap conversions and batch operations

Secure and Efficient File Handling :

• Local processing—no need to upload to cloud • Keeps your data private and device secure • Lightweight on system resources and battery

Share and Transfer with Ease :

• Share converted files via Email, WhatsApp, Telegram, and more • Save to Files, open in other apps, or share directly from JSTS Office • Compatible with iOS Files app for smooth integration

Supports All Common File Types -

File Formats Supported:

• Documents: doc, docx, ppt, pptx, xls, xlsx, pdf • Images: jpg, jpeg, png • Archives: zip, rar, tar • Others: txt, csv, and more

JSTS Office is your trusted companion for smart, fast, and reliable file conversion and document handling—right from your mobile device. Manage everything in one place and boost your productivity today!