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screenshotVideo Converter  |  Download Convert any video file to selected formats (i.e. mp4) inside your browser!

Some of the important features of the Video Converter addon are listed below. This is followed by an overview of this addon. This summary contains few words about the addon, its function, and its features. Next is FAQ, this section is useful to get information about how this addon works in your browser. If you couldn't find a specific answer, please fill the bug report form on this page or the contact form on the homepage to let us know about your question. Following the FAQ, is the bug report form. It is designed to collect user feedbacks and bugs about this addon. Users can suggest improvements or feature requests through this form too. The next section is for submitting comments about this addon which uses the Facebook comments plugin. The last section is dedicated to reports submitted through the GitHub website. We hope the information provided on this page, could help you get all the basics you need about this addon and enable you to have a better experience with Video Converter.

In short, Video Converter is a browser extension that let you easily convert most common video formats to another using FFmpeg JavaScript library. Please check the YouTube tutorial below to get an idea of how this addon works in your browser. If you want to contribute to the developement of this addon, please fork it on GitHub, and push your changes to a named branch. Moreover, you can review all the comments made on GitHub commits.

4 Reasons to Use Video Converter

  • Has a stand-alone popup window to drag and drop video files.

  • Has a console to inform you about ongoing processes.

  • Can convert most common video formats to another ones (.webm, .mp4, etc.).

  • Available for Firefox, Chrome and Opera browsers on all operating systems.

YouTube Tutorial

This video gives you an idea of how the extension works in your browser.

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Frequently Asked Questions

  • 1. What is Video Converter?

    Video Converter is a browser add-on that help you easily convert a video format to another. It uses FFmpeg library which is compiled from C and C++ language to JavaScript with Emscripten compiler. Emscripten is a source-to-source compiler that can compile native C/C++ codes to JavaScript language. To work with this add-on, just open the app UI and drag a video file to the designated area in the app. Then, type your FFmpeg command in the input area and press on the - Run Command - button. Once the conversion is done, the link to download the video file will be available at the bottom of the UI. Please note that, conversion may take some time depending on the video size and also type of the conversion that you choose. There are some sample commands available in the app UI which you can choose to start working with this addon.

  • 2. How can I work with this add-on?

    As mentioned above, simply open the app UI, then drag and drop desired video files inside the app (rectangular area at the top). Next, type any FFmpeg command (i.e. -help) that you like in the input field and then press on the - Run Command - button. If you are not familiar with FFmpeg commands, you can use few sample commands that are available in the UI as separate buttons above the input field. Moreover, you can always search and find your desired FFmpeg command in a search engine. You can also read this blog post about the FFmpeg commands for converting media files. Once the command is entered in the input field, please press on the - Run Command - button in order to execute your command. Also note that, before executing any command, make sure the FFmpeg library has the required codec. Just type -codecs command in the input field and press on the run button to see all available codecs currently accessible in this version of FFmpeg. There is also a - Clear - button in the UI (right section next to the run command button) which you can use to clear the console. All the information regarding current commands are rendered in the app console. Moreover, at the end the process, total time spent for executing the command will also be displayed.

  • 3. How can I download the source code for Video Converter?

    To download the source code for this extension from Chrome Web Store, it is recommended to use Extension Source Downloader. With this addon, you can download the source code as a ZIP or CRX format to your machine. If you want to download the source code from the Firefox addons store, please open the firefox download link (if available) in the Firefox browser and then right-click on the - Add to Firefox - button and select - Save Link As... - item. Choose the destination folder on your machine and then save the file in XPI format. You can then rename the XPI format to a RAR or ZIP file. Some extensions may have a GitHub repo address, which you can use to download the source code as well. But, it may not be the latest version of the addon. Therefore, downloading the source code from the official web stores is the best option as it always gives you the latest version of the addon.

  • 4. How does Video Converter addon work?

    This addon uses the free and open source conversion library called FFmpeg. FFmpeg is originally written in C and C++ languages. But within the browser, only JavaScript language is accepted. Therefore, this addon uses a compiled version of FFmpeg library in Javascript language. The compiled version is the result of Emscripten compiler. Please read this Wikipedia page to get more info about Emscripten compiler. All the original FFmpeg commands are also accepted in this Javascript compiled version. However, not every codec is supported yet. So please check for available codecs before using the addon. It is also important to note that, because this library is based on Javascript, it may NOT have the same performance as the C and C++ versions. Since it runs in the browser and has less resources comparing to the native C Ffmpeg application. But, according to our tests it is useful for ordinary usage.

  • 5. How do I turn the extension OFF?

    When app UI is closed, this addon is completely OFF and has no usage (RAM/CPU) on your system at all. Alternatively, if you want to completely turn off the addon, please head to the extensions tab in your browser and then click on the disable button from there.

  • 6. Is this extension available for mobile firefox (Firefox for android)?

    Yes, this addon is available for all browsers and platforms including mobile Firefox and Opera browsers.

  • 7. How can I reload the app UI?

    When you open the app UI, you will see a reload button on the top left corner. Please press on this button to reload the UI. Also note that, reloading the UI will terminate all active operations and reset the optimization process.

  • 8. How can I download the converted video file?

    Once a conversion is done, the link to a downloadable item will be displayed at the bottom of the UI. Please click on the link to download the item to your machine. Download location is the default download path in your browser.

  • 9. How can I change the download path for the converted file?

    To change the download location, please head to the settings tab in your browser and then find the download section. Within this section, you can adjust the download path. This will globally change the download location for all you downloads in your browser.

  • 10. Can I also convert audio formats with this addon?

    This addon is specifically designed for video file formats. However, a limited number of audio formats (i.e. mp3) may also be supported. For audio conversion, you need a separate addon.

  • 11. Does this addon has comparable performance to native FFmpeg applications?

    No, since this addon runs FFmpeg in the browser, it runs slower than the native FFmpeg applications/library. However, using the addon is very easy (in fact much easier than the native FFmpeg command-line tool). Simply add it to your browser and it starts to work without any additional plugins. The native FFmpeg library is rather hard to use and may be difficult to install on different operating systems. But this addon is supported on all major browsers and platforms. Please note that, for very large video files, you still need the native FFmpeg library. This addon is only suitable for simple conversions (rather small video files).

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Reporting Bugs

Your feedback goes a long way towards making this addon even better. With this feedback and bug report form, you can report bugs or suggest features/enhancements for the functionality or performance of this addon. Please note that this form will be sent to the developer(s) of this addon. You will not get an immediate or personal response at the moment. However, the developer(s) may contact you through the email address provided in this form for further clarifications or to request additional information regarding the reported bug(s).

If you want to rate or write a review for this addon in the official webstore, please press the - Rate this addon - button below.

Please enter the name of the extension (addon).

Please enter the current version of the extension.

Please be as specific as possible. Basically, describe what happened, what you were doing when it happened, and why you think it is a problem.

Describe the step-by-step process required to reproduce the issue you are reporting. Be specific when describing these steps by providing as much detail as possible.

Please try to leave a link to a screenshot for the specific bug or error report.

Please enter your operating system.

Please enter your browser and its current vesrion.

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Reviews | Discussions

Please note: keep these reviews/discussions clean, and avoid the usage of derogatory or inappropriate language or terminology in references to individuals or groups based on race, national or ethnic origin, color, religion, age, gender, etc. Do not submit bugs in your reviews, use the above bug-report section instead. Also, never post any personal information in these reviews.

GitHub Issues | Fork me on GitHub