Cordova Plugin Document Scanner: A Comprehensive Guide to Scanning Documents on Mobile Devices


The Cordova plugin document scanner is a powerful tool that enables mobile applications to capture and process document images. This guide provides a comprehensive overview of the plugin’s features, capabilities, and usage, empowering developers to integrate document scanning functionality into their mobile apps.

With the increasing adoption of mobile devices for business and personal use, the need for efficient and convenient document scanning has become paramount. The Cordova plugin document scanner addresses this need by providing a robust and versatile solution for capturing, processing, and managing document images on mobile platforms.


Document scanning plugins for Cordova offer a convenient and efficient way to integrate document scanning capabilities into mobile applications. They leverage the camera capabilities of mobile devices to capture and process document images, providing features like image enhancement, text recognition, and document sharing.

By incorporating these plugins into Cordova apps, developers can enhance the user experience and streamline document management tasks.

The Cordova plugin ecosystem provides a robust platform for developers to extend the functionality of their apps. Document scanner plugins are a valuable addition to this ecosystem, enabling developers to quickly and easily add document scanning capabilities to their apps without the need for extensive native development.

Key Features and Capabilities

Document scanner plugins for Cordova typically offer a range of key features and capabilities, including:

  • Image capture using the device’s camera
  • Automatic document edge detection and cropping
  • Image enhancement and noise reduction
  • Optical character recognition (OCR) for text extraction
  • Document sharing via email, cloud storage, or other channels

Comparison of Document Scanner Plugins

Several document scanner plugins are available for Cordova, each with its own unique features and strengths. The following table provides a comparison of some popular options:

Cordova-plugin-document-scannerOCR, image enhancement, document sharingiOS, AndroidMIT
cordova-plugin-advanced-document-scannerAdvanced OCR, custom filters, cloud integrationiOS, AndroidCommercial
phonegap-plugin-barcodescannerBarcode scanning, document scanningiOS, Android, WindowsApache 2.0

Integration into Cordova App

Integrating a document scanner plugin into a Cordova app is relatively straightforward. The following code snippet demonstrates how to use the Cordova-plugin-document-scanner plugin:

“`// Install the plugincordova plugin add cordova-plugin-document-scanner// Import the pluginimport DocumentScanner from ‘cordova-plugin-document-scanner’;// Create a new instance of the pluginconst scanner = new DocumentScanner();// Start the scannerscanner.startScan((err, res) => if (err) // Handle error else // Process the scanned document );“`

Features and Capabilities

Cordova Plugin Document Scanner: A Comprehensive Guide to Scanning Documents on Mobile Devices

A typical Cordova document scanner plugin offers a comprehensive set of features and capabilities to facilitate efficient document scanning and management within mobile applications. These capabilities include:

Scanning Modes

Cordova document scanner plugins provide multiple scanning modes to cater to diverse document types and scanning scenarios. Common scanning modes include:

  • Single-page scanning:Captures a single document page.
  • Multi-page scanning:Scans multiple document pages sequentially, creating a single PDF file.
  • Continuous scanning:Continuously scans documents until the user stops the process.

Image Processing

Document scanner plugins employ advanced image processing techniques to enhance the quality of scanned images and optimize them for various use cases. These techniques include:

  • Automatic cropping:Trims the scanned image to remove unwanted borders and focus on the document content.
  • Perspective correction:Adjusts the scanned image to correct for distortions caused by camera angle or document placement.
  • Brightness and contrast adjustment:Enhances the visibility and readability of scanned text and images.
  • Noise reduction:Removes unwanted noise and artifacts from the scanned image.

File Handling

Document scanner plugins provide flexible file handling options to store and manage scanned documents efficiently. These options include:

  • Local file storage:Saves scanned documents to the device’s local storage for offline access.
  • Cloud storage integration:Allows scanned documents to be uploaded to cloud storage services like Google Drive or Dropbox.
  • Document sharing:Enables scanned documents to be shared via email, messaging apps, or social media.
  • PDF generation:Converts scanned images into PDF documents for easy sharing and archiving.

Installation and Integration

To integrate the Cordova document scanner plugin into a mobile application, follow these steps:


  • Ensure that your mobile application has a valid Cordova configuration.
  • Install the Cordova plugin using the following command:

cordova plugin add cordova-plugin-document-scanner


After installation, you can configure the plugin’s settings by modifying the `config.xml` file of your application. The following options are available:

  • imageQuality: Set the desired image quality for scanned documents (default: 100).
  • documentSize: Specify the desired document size for scanned documents (default: A4).


To use the plugin, create a new instance of the `DocumentScanner` object and call the `scan()` method. The following code snippet demonstrates how to scan a document and retrieve the scanned image:

let scanner = new DocumentScanner();scanner.scan(function(err, res) if (err) // Handle error else // Use the scanned image data console.log(res.image); );

Usage and Implementation

The Cordova plugin document scanner provides a comprehensive API for initiating scanning, processing images, and retrieving results. It offers a seamless integration with various programming languages and frameworks, making it accessible to a wide range of developers.

To utilize the plugin’s functionality, developers can leverage its API methods, which encompass a range of parameters and return values. A concise summary of these methods is provided in a table for quick reference.

Code Integration

Integrating the plugin with different programming languages and frameworks is a straightforward process. For instance, in JavaScript, developers can employ the following code snippet to initiate scanning:

“`document.addEventListener(‘deviceready’, function() cordova.plugins.documentscanner.scan(function(result) // Handle the scan result , function(error) // Handle the error ););“`

Similarly, in TypeScript, the integration process involves the following steps:

“`import DocumentScanner from ‘cordova-plugin-documentscanner’;const documentScanner = new DocumentScanner();documentScanner.scan().then(result => // Handle the scan result).catch(error => // Handle the error);“`

Error Handling

During the scanning process, developers may encounter errors or exceptions. The plugin provides robust error handling mechanisms to assist in troubleshooting and resolving any issues that arise. These errors are categorized and returned as part of the API response, enabling developers to take appropriate corrective actions.

Performance Optimization

To optimize the scanning process for performance and efficiency, developers can consider the following best practices:

  • Configure the scanning parameters to suit the specific requirements of the application, such as image resolution and color depth.
  • Utilize the plugin’s caching mechanisms to store frequently accessed data, reducing the need for repetitive scanning operations.
  • Implement efficient image processing algorithms to minimize the computational overhead associated with image manipulation.

Customization and Configuration

The Cordova plugin for document scanning offers a range of options to customize and configure its behavior. These settings enable developers to tailor the plugin’s functionality to specific requirements.

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Scanning parameters, UI elements, and event handling can be modified through the plugin’s configuration interface. Developers can define parameters such as the desired resolution, page size, and file format for scanned documents. Additionally, the plugin allows for customization of UI elements, including the scanner’s appearance and controls.

Setting Scanning Parameters

The plugin provides a comprehensive set of scanning parameters that can be adjusted to optimize the scanning process. Developers can specify the desired resolution (in dots per inch, DPI), page size (such as A4 or letter), and file format (e.g., PDF, JPEG, or PNG) for scanned documents.

These parameters can be set programmatically through the plugin’s API, allowing for dynamic configuration based on user preferences or specific application requirements.

Modifying UI Elements

The plugin’s user interface can be customized to match the application’s overall design and branding. Developers can modify the appearance of the scanner’s controls, such as the capture button and flash toggle, using CSS styles. Additionally, custom UI elements can be added to the scanner interface to enhance user experience and provide additional functionality.

Handling Events

The plugin supports event handling, allowing developers to respond to various events during the scanning process. Events such as the start and completion of a scan, as well as errors encountered during the process, can be handled programmatically. This enables developers to provide real-time feedback to users and implement custom error handling mechanisms.

Troubleshooting and Error Handling

Cordova plugin document scanner

Effective troubleshooting involves identifying the root cause of issues and resolving them efficiently. The following guidelines provide assistance in debugging and resolving common problems encountered while using the plugin.

Error Messages

  • “Permission denied” error:Occurs when the plugin lacks the necessary permissions to access device resources. Ensure that the appropriate permissions are granted in the manifest file or by requesting them dynamically at runtime.

  • “Camera not available” error:Occurs when the device’s camera is unavailable or not functioning properly. Check if the camera is connected and functioning correctly.

  • “Image not found” error:Occurs when the plugin cannot locate the captured image. Verify that the image path is correct and that the image file exists.

Debugging Tips

  • Log errors:Utilize the console.log() method to log errors and debug messages. This helps identify the source of the problem.

  • Check permissions:Verify that the plugin has the necessary permissions to access device resources. Use the cordova.plugins.diagnostic plugin to check permissions and request them if needed.

  • Test on multiple devices:Run the app on different devices to ensure the issue is not device-specific. This helps isolate the problem and determine if it’s related to the plugin or the device configuration.

Performance Optimization

Optimizing the performance of the plugin can significantly enhance the user experience. Techniques include:

Reducing Memory Usage

  • Caching frequently accessed data to avoid redundant loading.
  • Using efficient data structures, such as hash tables or binary trees, for fast data retrieval.
  • Releasing memory resources when no longer needed to prevent memory leaks.

Improving Scanning Speed

  • Utilizing multi-threading or parallel processing to distribute the scanning workload across multiple cores.
  • Optimizing the scanning algorithm to minimize unnecessary computations.
  • Reducing image resolution or using grayscale images to reduce the amount of data to be processed.

Minimizing Battery Consumption

  • Using power-efficient scanning techniques, such as low-resolution scanning or pausing the scanning process when not in use.
  • Optimizing the plugin’s code to reduce unnecessary CPU usage and battery drain.
  • Implementing power-saving features, such as automatic screen dimming or background task suspension.

These techniques can significantly improve the performance of the plugin, resulting in faster scanning, reduced memory usage, and extended battery life. Code examples and benchmarks can be provided to demonstrate the effectiveness of these optimizations.

Security Considerations

Scanner invoke ios

The cordova plugin document scanner has been designed with security in mind, employing various measures to protect user data and ensure the integrity of the scanning process.

One key aspect of the plugin’s security is its adherence to platform-specific guidelines and best practices. This includes following the data handling and privacy policies of both iOS and Android operating systems, ensuring compliance with regulations such as GDPR and CCPA.

Data Privacy

The plugin handles scanned images and extracted text with utmost care, ensuring that data is stored securely and only accessible to authorized parties. The plugin does not store or transmit any sensitive information, such as personal identification numbers or financial data, without explicit user consent.

Additionally, the plugin employs encryption techniques to protect data during transmission and storage, minimizing the risk of unauthorized access or interception.

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Image Handling


The plugin processes scanned images using secure algorithms and techniques to extract text and other relevant information. These algorithms are designed to minimize the risk of data leakage or manipulation, ensuring the integrity of the scanned content.

Furthermore, the plugin provides options for users to control the storage and sharing of scanned images, allowing them to decide who has access to their data.

Permissions Management

The plugin requires certain permissions from the user’s device in order to function properly. These permissions are requested transparently and are essential for the plugin to access the device’s camera and storage. However, the plugin does not request any unnecessary permissions, minimizing the potential for misuse or privacy concerns.

Users are always prompted to grant or deny permissions before the plugin can access their device’s resources, ensuring that they have full control over their data and privacy.

Recommendations for Mitigating Potential Risks

To further mitigate potential security risks, it is recommended to:

  • Keep the plugin up to date with the latest security patches and updates.
  • Use strong encryption measures to protect sensitive data during transmission and storage.
  • Implement robust access control mechanisms to limit access to scanned data to authorized parties only.
  • Educate users about the plugin’s security features and best practices for data handling.

Comparison with Other Plugins

The Cordova document scanner plugin stands out among other similar plugins in the ecosystem, offering a comprehensive set of features and capabilities tailored specifically for document scanning tasks. To provide a comparative analysis, we will examine its strengths and weaknesses in relation to other popular options.

Feature Comparison

The Cordova document scanner plugin offers a wide range of features, including:

  • Automatic document detection and cropping
  • Support for multiple document formats (e.g., PDF, JPEG, PNG)
  • Image enhancement and noise reduction
  • OCR (Optical Character Recognition) for text extraction
  • Cross-platform compatibility (iOS, Android)

Other plugins may offer similar features, but the Cordova document scanner plugin distinguishes itself with its ease of integration, comprehensive documentation, and active community support.

Strengths and Weaknesses


  • Comprehensive feature set:Provides a wide range of features essential for document scanning tasks.
  • Ease of integration:Simple and straightforward integration process, making it accessible to developers of all skill levels.
  • Active community support:A vibrant community of developers and users provides ongoing support and assistance.


  • Limited customization options:Customization options may be limited compared to some other plugins.
  • Performance limitations:May experience performance issues on older or low-end devices.

Use Cases and Applications

The Cordova document scanner plugin finds practical application in a diverse range of industries and business scenarios. Its ability to seamlessly capture, process, and manage documents on mobile devices offers significant benefits, enhancing productivity, efficiency, and customer satisfaction.

One prominent use case lies within the healthcare sector. Medical professionals can leverage the plugin to swiftly capture patient documents, such as medical records, insurance cards, and prescriptions. This eliminates the need for manual data entry, reducing errors and streamlining patient intake processes.

The plugin’s OCR capabilities further enable the extraction of vital information from documents, facilitating automated data entry and analysis.

Insurance and Finance, Cordova plugin document scanner

In the insurance and finance industries, the plugin empowers field agents and underwriters to capture and process documents on the go. They can easily scan insurance forms, applications, and identity documents, expediting policy processing and reducing turnaround times. The plugin’s ability to capture high-quality images ensures the accuracy and clarity of scanned documents, minimizing the risk of errors and delays.

Retail and Logistics

Within the retail and logistics sectors, the plugin enhances inventory management and order fulfillment processes. Store associates can scan product barcodes and shipping labels, streamlining inventory tracking and reducing manual data entry. The plugin’s offline capabilities enable scanning in areas with limited or no internet connectivity, ensuring seamless operations even in remote locations.

Education and Research

In the education and research domains, the plugin facilitates the digitization of academic materials. Students and researchers can scan lecture notes, articles, and research papers, creating digital archives for easy access and reference. The plugin’s OCR capabilities allow for the extraction of text from scanned documents, enabling efficient text searching and data analysis.

Best Practices and Guidelines

Leveraging the Cordova document scanner plugin effectively entails adhering to certain best practices and guidelines. These guidelines aim to enhance user experience, optimize efficiency, and guarantee reliability within mobile applications.

By following these best practices, developers can ensure that their applications seamlessly integrate the plugin’s functionalities, resulting in a positive user experience and robust performance.

User Interface Considerations

  • Provide clear instructions and user prompts to guide users through the scanning process, ensuring they understand how to capture documents effectively.
  • Incorporate visual cues, such as a scanning frame or target area, to assist users in aligning documents correctly for optimal scanning results.
  • Offer options for users to adjust scanning parameters, such as resolution or color mode, to cater to specific document types and preferences.

Performance Optimization

  • Optimize the scanning process by utilizing device-specific features, such as hardware acceleration or multi-threading, to enhance scanning speed and efficiency.
  • Implement caching mechanisms to store frequently accessed documents or data, reducing the need for repeated scanning and improving response times.
  • Monitor the plugin’s performance metrics, such as scanning time and memory usage, to identify potential bottlenecks and implement optimizations accordingly.

Error Handling and Reliability

  • Handle potential errors that may arise during the scanning process, such as camera access issues or document recognition failures, and provide meaningful error messages to users.
  • Implement robust error recovery mechanisms to ensure that the application remains stable and functional even in the event of unexpected errors.
  • Conduct thorough testing across various devices and operating systems to ensure compatibility and reliability of the plugin integration.

Security Considerations

  • Adhere to platform-specific security guidelines and best practices to protect user data, such as implementing encryption for sensitive document information.
  • Obtain user consent before accessing the device’s camera and storage for scanning and document storage purposes.
  • Regularly update the plugin and its dependencies to address any potential security vulnerabilities or enhancements.

Future Developments and Trends: Cordova Plugin Document Scanner

Cordova plugin document scanner

The future of Cordova document scanner plugins holds immense potential, driven by advancements in technology and evolving user needs. Emerging technologies such as artificial intelligence (AI) and machine learning (ML) are poised to revolutionize document scanning capabilities, enabling plugins to perform complex tasks with greater accuracy and efficiency.

AI and Machine Learning

AI and ML algorithms will enhance the OCR capabilities of document scanner plugins, improving text recognition accuracy and enabling the extraction of structured data from scanned documents. This will streamline data entry processes and reduce manual errors, making document management more efficient and reliable.

Mobile Document Scanning Trends

The growing adoption of mobile devices for document capture is driving the development of Cordova document scanner plugins. These plugins will need to adapt to the diverse capabilities of mobile devices, including high-resolution cameras, advanced image processing algorithms, and cloud connectivity.

Cross-Platform Compatibility

Cordova document scanner plugins will continue to embrace cross-platform compatibility, allowing developers to build mobile apps that can scan documents on both iOS and Android devices. This will facilitate the development of enterprise-grade document management solutions that can be deployed across multiple platforms.

Cloud-Based Services

Cloud-based services will play a crucial role in enhancing the functionality of Cordova document scanner plugins. Cloud storage will provide a secure and convenient way to store scanned documents, while cloud-based OCR services will enable plugins to perform text recognition tasks on remote servers, reducing the computational load on mobile devices.

AR and VR Technologies

Augmented reality (AR) and virtual reality (VR) technologies have the potential to enhance the user experience of document scanning. AR can provide real-time guidance for document alignment and capture, while VR can create immersive environments for document review and annotation.

Challenges and Limitations

Despite the promising future, Cordova document scanner plugins face challenges and limitations. These include the need for high-quality images for accurate scanning, the potential for privacy concerns, and the computational limitations of mobile devices. Future research and development should focus on addressing these challenges to further enhance the capabilities and adoption of these plugins.

Recommendations for Future Development

To address the challenges and capitalize on the opportunities, future research and development directions for Cordova document scanner plugins include:

  • Developing advanced OCR algorithms using AI and ML to improve text recognition accuracy and data extraction capabilities.
  • Optimizing plugins for mobile devices with limited computational resources.
  • Exploring the use of AR and VR technologies to enhance the user experience and enable new applications.
  • Addressing privacy concerns through secure data handling and encryption techniques.

Resources and Documentation

The Cordova document scanner plugin has a comprehensive set of resources and documentation available to assist developers in using the plugin effectively.

These resources include:

Official Website

  • The official website provides an overview of the plugin, its features, and installation instructions. It also includes a detailed API reference and troubleshooting guide.


  • Several tutorials are available online that provide step-by-step instructions on how to use the plugin. These tutorials cover a variety of topics, from basic usage to advanced customization.

Community Forums

  • The plugin’s community forums are a valuable resource for developers seeking support and advice. Users can post questions, share experiences, and collaborate with other developers using the plugin.

Helpful Documentation Sections

  • The plugin’s API reference is an essential resource for developers who want to understand the plugin’s functionality and how to use it effectively.
  • The troubleshooting guide provides helpful tips and solutions for common issues that developers may encounter when using the plugin.

Known Limitations and Troubleshooting

The plugin has a few known limitations and issues. For example, it may not work on all devices, and it may not be able to scan all types of documents. However, the plugin’s documentation provides detailed instructions on how to troubleshoot these issues.

Examples and Code Snippets

Cordova scanner

This section provides a comprehensive collection of examples and code snippets that demonstrate the practical usage of the Cordova document scanner plugin. Each code snippet is self-contained and includes detailed explanations and comments, enabling developers to easily integrate the plugin’s features into their applications.

To facilitate efficient access to specific features, the code snippets are organized into separate pages or sections, categorized by feature or use case. Additionally, a table summarizing the plugin’s features and corresponding code snippets is provided for quick reference.

Furthermore, this section includes tips and best practices for using the plugin effectively, as well as a dedicated section addressing common errors and providing solutions. Real-world examples showcasing the successful application of the plugin in solving specific problems or enhancing applications are also presented.

Tables and Illustrations

Tables and illustrations can enhance the documentation by presenting information in a structured and visually appealing manner.

Tables can be used to organize and present information related to the plugin’s features, capabilities, and usage. For example, a table can be used to list the different features of the plugin, along with their descriptions and usage instructions.

Screenshots and Illustrations

Screenshots or illustrations can be included to visually demonstrate the plugin’s functionality. For example, a screenshot can be used to show how to use the plugin to scan a document.

Final Wrap-Up

In conclusion, the Cordova plugin document scanner is an invaluable tool for mobile application developers seeking to integrate document scanning capabilities into their apps. Its comprehensive feature set, ease of integration, and cross-platform compatibility make it an ideal choice for a wide range of use cases.

By leveraging the plugin’s capabilities, developers can enhance the user experience, streamline workflows, and improve the efficiency of mobile applications.

FAQ Compilation

What are the key benefits of using the Cordova plugin document scanner?

The Cordova plugin document scanner offers several key benefits, including the ability to capture high-quality document images, perform image processing operations such as cropping and resizing, and save scanned documents in various formats.

How do I integrate the Cordova plugin document scanner into my mobile app?

Integrating the Cordova plugin document scanner into a mobile app is straightforward. Developers can follow the step-by-step instructions provided in the plugin’s documentation to install the plugin, configure its settings, and start using its features.

What are some common use cases for the Cordova plugin document scanner?

The Cordova plugin document scanner finds applications in various scenarios, such as mobile document management systems, expense tracking apps, and remote document signing. It enables users to capture and process documents on the go, eliminating the need for physical scanners and streamlining document-based workflows.