Free ODT to DOCX Conversion in PHP | Top REST APIs & Apps 2024

GroupDocs.Conversion Cloud is a reliable REST API designed specifically for PHP developers who need to convert Word documents (ODT) to DOCX effortlessly. With support for over 153 document and image formats, our API allows you to integrate powerful conversion capabilities into your applications without the need for additional software like Microsoft Office or Adobe Acrobat Reader. Whether you’re working on Windows, macOS, Linux, or any other platform, GroupDocs.Conversion Cloud ensures seamless and accurate document transformations anytime, anywhere.

Our API offers unparalleled flexibility, allowing you to customize your ODT to DOCX conversions to fit your specific requirements. You can choose to convert entire documents, select specific pages, or define custom page ranges. Additionally, you have control over the output quality and resolution, enabling you to produce high-quality DOCX files tailored to your project’s standards. For added functionality, you can include watermarks or password-protect your DOCX files to ensure document security and integrity.

Security is a top priority with GroupDocs.Conversion Cloud. Every conversion request is authenticated using a unique Client ID and Client Secret, ensuring that your data remains protected throughout the process. Our robust authentication mechanisms safeguard your documents, giving you peace of mind when handling sensitive information. You can trust that your ODT to DOCX conversions are handled securely and reliably, maintaining the confidentiality and integrity of your data.

Integrating GroupDocs.Conversion Cloud into your PHP applications is straightforward thanks to our comprehensive SDKs. Our PHP SDK provides clear and concise documentation, along with practical examples, making it easy for you to get started quickly. Whether you’re building a simple script or a complex application, our SDKs streamline the integration process, allowing you to add ODT to DOCX conversion functionality with minimal effort. Additionally, our API Explorer tool lets you test and experiment with the API directly in your browser, helping you understand its capabilities and how to implement them effectively.


  • Convert ODT to DOCX via Free App or .NET
  • Convert ODT to DOCX via Free App or Ruby
  • Convert ODT to DOCX via Free App or Android
  • Convert ODT to DOCX via Free App or Python
  • Convert ODT to DOCX via Free App or cURL
  • Convert ODT to DOCX via Free App or Java
  • Convert ODT to DOCX via Free App or Node.js

ODT to DOCX Conversion via PHP REST APIs

Free conversion Apps for Popular Formats

ODT to TIFF ODT to TIF ODT to JPG ODT to JPEG ODT to PNG ODT to GIF ODT to BMP ODT to ICO ODT to PSD ODT to WMF ODT to EMF ODT to DCM ODT to DICOM ODT to WEBP ODT to SVG ODT to JP2 ODT to EMZ ODT to WMZ ODT to SVGZ ODT to TGA ODT to PSB ODT to HTML ODT to HTM ODT to MHT ODT to MHTML ODT to DOC ODT to DOCM ODT to DOCX ODT to DOT ODT to DOTM ODT to DOTX ODT to RTF ODT to ODT ODT to OTT ODT to TXT ODT to MD ODT to PDF ODT to EPUB ODT to XPS ODT to TEX ODT to PPT ODT to PPS ODT to PPTX ODT to PPSX ODT to ODP ODT to OTP ODT to POTX ODT to POT ODT to POTM ODT to PPTM ODT to PPSM ODT to FODP

How to convert ODT to DOCX

  • Select the file by clicking the ODT to DOCX App or simply drag & drop a ODT file.
  • Click the Convert button to upload ODT and convert it to a DOCX file.
  • Click on the Save button when it appears after successful ODT to DOCX format conversion.
  • That is all! You can use your converted DOCX document as needed.

Frequently Asked Questions (FAQ)

How reliable is the performance of GroupDocs.Conversion Cloud Free Apps?

GroupDocs.Conversion Cloud Free Apps offer reliable performance and high-quality output for your conversion needs, ensuring a seamless experience.

Are there any SDKs available for GroupDocs.Conversion Cloud APIs?

Yes, GroupDocs provides SDKs for various programming languages to help you easily integrate and use the Conversion Cloud APIs in your applications.

What file formats are supported by GroupDocs.Conversion Cloud APIs?

GroupDocs.Conversion Cloud APIs support a wide range of file formats including Word, Excel, PDF, and more. Refer to the documentation for the full list of supported formats.

How can I integrate GroupDocs.Conversion Cloud APIs into my application?

Integrate GroupDocs.Conversion Cloud APIs seamlessly with your application by following the API documentation and integration guides provided on the GroupDocs website.

Does GroupDocs provide support for technical issues related to GroupDocs.Conversion Cloud Free Apps?

GroupDocs offers technical support for Free Apps users to help resolve any issues or answer questions related to the GroupDocs.Conversion Cloud platform.

Is there a limit on the number of conversions I can perform using GroupDocs.Conversion Cloud APIs?

GroupDocs.Conversion Cloud APIs offer flexible conversion limits based on your subscription plan. Contact GroupDocs support for more information on conversion limits.

May I use GroupDocs.Conversion Cloud Free Apps for commercial purposes?

GroupDocs.Conversion Cloud Free Apps are primarily for evaluation and testing purposes. For commercial use, consider upgrading to a paid subscription plan for full features and support.

What are the benefits of using GroupDocs.Conversion Cloud Free Apps?

GroupDocs.Conversion Cloud Free Apps offer a convenient way to test and experience the conversion capabilities before committing to a subscription plan.

How secure is the conversion process in GroupDocs.Conversion Cloud?

GroupDocs.Conversion Cloud ensures a secure conversion process by encrypting data in transit and at rest, and by following industry-standard security protocols.

Are there any limitations to the features available in GroupDocs.Conversion Cloud Free Apps?

GroupDocs.Conversion Cloud Free Apps may have limitations on the number of conversions, file size, or output formats compared to the paid subscription plans.

How can I access GroupDocs.Conversion Cloud Free Apps?

GroupDocs.Conversion Cloud Free Apps can be accessed directly from the GroupDocs website or through the GroupDocs web or mobile applications.

What ODT to DOCX Conversion API can do?

Convert ODT to DOCX page by page or custom range of pages

Convert ODT across all common formats

ODT conversion API explorer based on swagger collection

Watermark ODT pages

Password protect DOCX output document

ODT conversion APIs are secured and require authentication

High-Quality Output

Maintain the quality of the converted documents with accurate formatting and layout.

Batch Conversion

Convert multiple documents simultaneously for improved productivity.

Customizable Output Formats

Choose from a variety of output formats to meet specific needs.

Secure Conversion Process

Securely convert documents without exposing sensitive data to third parties.

Compliance and Security

Ensure compliance with data security regulations and industry standards.

Configurable Conversion Options

Customize conversion settings such as conversion quality, page range, and more.

Free Apps to Convert ODT to Multitude of Document Formats beside DOCX

GroupDocs.Conversion REST API has the capability to perform document conversions on a number of document formats. It converts accurately making sure that the details are preserved while converting the document.

Free Apps to Get Started and convert ODT to DOCX in No Time

With GroupDocs.Conversion Cloud API, you can start converting your files right away as there is no need to install anything. The API is clearly documented and comes with SDKs and live examples for all major languages. Our GroupDocs.Conversion SDKs along with working examples hosted at Github helps our users to get started in no time.

Scheduled Conversions

Schedule conversions at a convenient time to optimize resource utilization.

Document Preview

Preview documents before conversion to ensure desired output.

OCR Support

Benefit from Optical Character Recognition (OCR) to convert scanned documents into editable formats.

Collaborative Workflows

Facilitate collaboration by converting documents for sharing and editing.

File Format Conversion

Convert documents between various file formats such as Word, Excel, PDF, and more.

Document Watermarking

Add watermarks to converted documents for branding or security purposes.

Comprehensive Documentation

Access detailed documentation and support resources for easy implementation.

User-Friendly Interface

Intuitive interface for seamless navigation and operation.

Document Metadata Preservation

Retain important metadata during the conversion process for better document management.

Security and Authentication

The GroupDocs.Conversion Cloud API is secured and requires authentication. You need to register at GroupDocs Cloud and get the app access key ID (appSID) and app secret access key. Authenticated requests require a signature and AppSID query parameters or OAuth 2.0 authorization header.

Rotate ODT document pages

Pages in Microsoft Word ODT documents can be rotated during the conversion process

API Integration

Easily integrate conversion capabilities into your applications using APIs.

Free online conversion Apps for ODT

Convert unlimited documents and images using our Free online conversion Apps

Version Control

Maintain version control of documents through efficient conversion processes.

Convert only selected pages from ODT document to DOCX

Page-by-page conversion of Microsoft Word files to DOCX including template and macro documents.

Cloud-Based Solution

Access the conversion services from anywhere with internet connectivity.

API Explorer

The easiest way to try out GroupDocs.Conversion Cloud API right away in your browser is by using GroupDocs Cloud Web API explorer, which is a collection of Swagger documentation for the GroupDocs Cloud APIs.It allows you to effortlessly interact and try out every single operation our APIs exposes.

Scalable Performance

Efficiently convert large volumes of documents with high performance and reliability.

Support and Learning Resources

Learning Resources

Product Support

Start Free Trial
Download GitHub Repository

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