Terms of Use

By accessing or using this application, you agree to comply with these Terms of Use and all applicable laws and regulations. If you do not agree with any part of these terms, you should discontinue use of the application immediately.

elib PDF is an offline application designed to provide users with tools for managing and processing PDF documents.

The application includes features such as:

• PDF merging with custom sequencing

• PDF splitting (Range, Fixed, or Equal parts extraction)

• PDF compression

• Image to PDF conversion

• PDF to Image extraction

• PDF text extraction

• PDF metadata editing (Title, Author, Subject, Keywords)

• Watermarking (Text and Image)

• Page numbering

• Document organization (Rotate, Delete, Add pages)

• Security features (Password protection and unlocking)

All document processing occurs locally on the user’s device.

All intellectual property rights related to this application are owned by the developer "e Library of Tools", except for third-party open-source components listed below.

This includes:

• Application name and branding

• Source code and internal logic

• User interface components and visual assets

Unauthorized copying, distribution, modification, or resale of the application is strictly prohibited.

Users are not permitted to:

• Reverse engineer, decompile, or disassemble the application

• Modify the application code or extract internal logic

• Remove licensing, trademark, or copyright information

• Attempt to bypass premium features (Pro, Ads-free, or Batch tiers)

• Attempt to unlock paid features using unauthorized methods

• Redistribute modified versions of the application (APKs)

The application includes mechanisms designed to protect premium features. Users must not attempt to modify licensing systems, bypass payment verification, or alter application binaries.

The application may perform Google Play-based and/or backend verification of purchases and subscriptions to ensure valid access to premium features. Any attempt to interfere with or bypass these verification mechanisms is strictly prohibited.

Users agree not to use the application for illegal document processing, copyright infringement, or the distribution of unauthorized content. The developer is not responsible for the content of files processed by users.

The application is provided "as is" without warranties of any kind. The developer does not guarantee that the application will be error-free or function on all devices. Users assume all risks associated with the use of the application.

To the maximum extent permitted by law, the developer shall not be liable for data loss, file corruption, or indirect damages. Users are responsible for maintaining backups of their original documents.

This application includes components distributed under open-source licenses. The developer acknowledges and complies with the following:

Purpose: Core PDF manipulation and document processing

License: Apache License 2.0

Official Link: https://pdfbox.apache.org/

License Link: https://www.apache.org/licenses/LICENSE-2.0

Purpose: Cryptographic operations for encryption and password protection

License: MIT-style License

Official Link: https://www.bouncycastle.org/

License Link: https://www.bouncycastle.org/licence.html

Purpose: Zooming and gesture support for PDF viewing and image previews

License: Apache License 2.0

Official Link: https://github.com/chrisbanes/PhotoView

License Link: https://www.apache.org/licenses/LICENSE-2.0

Purpose: Secure storage of sensitive data such as preferences and premium status

License: Apache License 2.0

Official Link: https://developer.android.com/jetpack/androidx/releases/security

License Link: https://www.apache.org/licenses/LICENSE-2.0

Purpose: Logging framework used by libraries

License: MIT License

Official Link: https://www.slf4j.org/

License Link: https://www.slf4j.org/license.html

The application integrates with the following services:

• Google Play Billing (for subscriptions, purchases, and verification)

• Google AdMob (for advertisements and rewards)

• Firebase Analytics & Crashlytics (for performance and crash monitoring)

• Secure backend services (for purchase validation and expiry verification)

Access to premium features depends on successful verification of purchase or subscription status.

The application may:

• Validate purchases using Google Play services

• Retrieve real-time subscription expiry information

• Use secure backend services for verification

If verification fails or is tampered with, access to premium features may be restricted.

The developer may update the application periodically to improve functionality, fix bugs, or add new features. Continued use after updates constitutes acceptance of the updated terms.

These terms are governed by the laws applicable to the developer’s jurisdiction.

For legal inquiries, licensing questions, or support:

Developer: elibtools

Email: elibtools@gmail.com