Convert MP4 to MKV via Free App or Python

GroupDocs.Conversion Cloud is a cloud-based document conversion service which allows developers to convert various document formats to and from over 153 different file formats, including but not limited to MP4, MKV, PDF, DOCX, XLSX, PPTX, HTML, EPUB, and more.

GroupDocs.Conversion Cloud provides Free Apps and REST APIs that can be integrated into web and mobile applications, allowing developers to easily incorporate document conversion functionality into their applications without having to install any software locally. The service supports conversion of MP4, documents, spreadsheets, presentations, images, MKV, and other types of files, and provides advanced options such as setting conversion options, specifying output file formats, applying watermarks, and more.

With GroupDocs Cloud Conversion, developers can implement document conversion features in their applications to automate tasks such as converting documents for archival purposes, generating reports, extracting text and images from documents, and integrating document conversion capabilities into their workflow. The service offers high-quality and accurate document conversion capabilities that can help businesses streamline their document processing workflows and improve productivity.


  • Convert MP4 to MKV via Free App or Java
  • Convert MP4 to MKV via Free App or PHP
  • Convert MP4 to MKV via Free App or Ruby
  • Convert MP4 to MKV via Free App or Android
  • Convert MP4 to MKV via Free App or Node.js
  • Convert MP4 to MKV via Free App or cURL
  • Convert MP4 to MKV via Free App or .NET

Convert MP4 to MKV via Python

Free conversion Apps for Popular Formats

MP4 to MP4 MP4 to AVI MP4 to FLV MP4 to MKV MP4 to MOV MP4 to WEBM MP4 to WMV

How to convert MP4 to MKV

  • Select the file by clicking the MP4 to MKV App or simply drag & drop a MP4 file.
  • Click the Convert button to upload MP4 and convert it to a MKV file.
  • Click on the Save button when it appears after successful MP4 to MKV format conversion.
  • That is all! You can use your converted MKV document as needed.

Frequently Asked Questions (FAQ)

I do not want to upload my confidential MP4 or MKV files anywhere? What are my options?

GroupDocs.Conversion Cloud is also available as Docker image which can be used to self-host the service. Or you may build your own services using GroupDocs.Conversion High-code APIs which currently drive both MP4 and MKV Free Conversion App and REST APIs.

I want to create my own app that can convert MP4 to MKV?

Check our SDKs at GitHub if you are looking for the source code to convert MP4 file format to MKV in the Cloud.

Can I try MP4 to MKV conversion for free?

GroupDocs.Conversion Cloud App is completely free. You can convert as many MP4 files to MKV as you may like. If you are a developer and want to integrate this feature in your own app, you can try GroupDocs.Conversion Low-Code APIs without any limitations.

Advanced MP4 and Document Conversion API Features

Watermark MP4 pages

Convert MP4 across all common formats

Password protect MKV output document

Convert MP4 to MKV page by page or custom range of pages

MP4 conversion APIs are secured and require authentication

MP4 conversion API explorer based on swagger collection

Image Conversion

GroupDocs.Conversion Cloud supports converting images between different formats, resizing images, and applying various image transformations.

Document Conversion

GroupDocs.Conversion Cloud supports converting documents from one format to another, such as converting PDF to Word, Excel to PDF, image to PDF, and more. It supports a wide variety of file formats, including Microsoft Office documents, PDFs, images, emails, and more.

Language Support

GroupDocs.Conversion Cloud supports multiple programming languages, including .NET, Java, PHP, Python, Ruby, Node.js, and more.

Document Comparison

GroupDocs.Conversion Cloud provides document comparison functionality, allowing comparison of two documents and highlighting the differences.

Conversion of Multiple File Formats

GroupDocs.Conversion Cloud supports conversion between many different file formats, including Word (DOC, DOCX), Excel (XLS, XLSX), PowerPoint (PPT, PPTX), PDF, HTML, TXT, CSV, XML, EPUB, XPS, images (JPEG, PNG, BMP, GIF, TIFF), and more

Scalability

GroupDocs.Conversion Cloud is designed to be scalable, allowing handling of large numbers of document conversions efficiently and reliably.

File Storage

GroupDocs.Conversion Cloud includes built-in file storage functionality for easy upload, download, and management of files during the conversion process.

Convert MP4 video files to modern web-supported MKV format

WEBM and some modern video formats can be directly embedded into web pages.

Document Preview

GroupDocs.Conversion Cloud provides a document preview feature, allowing developers to generate image or HTML previews of documents before or after conversion.

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.

Document Encryption

GroupDocs.Conversion Cloud provides options for encrypting converted documents with password protection or digital signatures.

Metadata Extraction

GroupDocs.Conversion Cloud can extract metadata from documents, such as document properties, author information, and more.

Document Redaction

GroupDocs.Conversion Cloud allows redacting sensitive information from documents, such as removing text, images, or annotations.

Free online conversion Apps for MP4

Convert unlimited documents and images using our Free online conversion Apps

Watermarking

GroupDocs.Conversion Cloud allows adding watermarks to documents, such as text or images, for branding or copyright protection.

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.

Security

GroupDocs.Conversion Cloud uses SSL encryption for data transmission and storage, and provides options for access permissions, password protection, and watermarking to protect converted documents.

Document Signing

GroupDocs.Conversion Cloud includes digital document signing functionality, allowing adding digital signatures to documents.

Free Apps to Convert MP4 to Multitude of Document Formats beside MKV

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.

Optional Settings

GroupDocs.Conversion Cloud allows specifying optional settings during document conversion, such as conversion quality, page orientation, font styles, and more.

OCR Support

GroupDocs.Conversion Cloud includes Optical Character Recognition (OCR) functionality, allowing extraction of text from scanned documents or images.

Document Transformation

GroupDocs.Conversion Cloud provides features for transforming documents, such as splitting or merging documents, extracting images or text from documents, and adding watermarks or annotations to documents.

PDF Manipulation

GroupDocs.Conversion Cloud provides features for manipulating PDF documents, such as merging, splitting, rotating, and extracting pages.

Cloud-Based

GroupDocs.Conversion Cloud is a cloud-based API, eliminating the need to install any software or libraries on your own servers.

Free Apps to Get Started and convert MP4 to MKV 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.

Email Conversion

GroupDocs.Conversion Cloud can convert emails from popular email formats, such as MSG and EML, to other document formats.

Support and Learning Resources

Convert MP4 to MKV using SDKs in other popular languages

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