screenshotMedia Tools  |  Download Manipulate media files (video & audio) via FFmpeg interpreter right in your browser!

Some of the important features of the Media Tools 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 Media Tools.

In short, Media Tools is an addon that let you easily manipulate media files (Convert, Split & Extract, etc.) with FFmpeg commands via your browser. 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 Media Tools

  • Allows you to convert, split & extract, etc. media files in your browser via FFmpeg commands.

  • Has a stand-alone UI window with no background activities.

  • Requires no internet connection if you have the native-client patch and FFmpeg client.

  • Available for all browsers and platforms (windows, linux and mac).

YouTube Tutorial

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

Matched Content


  • FFmpeg is a free and open-source software project that consists of a large suite of libraries and programs for handling audio, video, and other multimedia files and streams. It supports a wide range of formats, including AVI, MP4, FLV, MKV, MOV, and many others. It is written in C and can be used from the command line or as a library in other programs. FFmpeg is highly versatile and can be used for a wide range of tasks, including transcoding audio and video files, converting between different formats, streaming audio and video over the internet, and even applying various filters and effects to audio and video streams. One of the key features of FFmpeg is its ability to handle a wide range of codecs, or algorithms for compressing and decompressing audio and video data. This allows it to support a wide range of media formats and make it possible to convert between them. FFmpeg is widely used in the media industry, and is the backbone of many popular media players, streaming platforms, and video editing software. It is also used by many individuals and organizations for a variety of purposes, such as creating video tutorials and instructional videos, recording screencasts, and more.

    FFmpeg is written in the C programming language and is available under the GNU Lesser General Public License (LGPL) or the GNU General Public License (GPL). One of FFmpeg's key features is its support for a wide range of codecs, allowing it to work with a wide range of media formats and enabling the conversion between them. Some of the codecs supported by FFmpeg include H.264, VP8, and many others. FFmpeg can be used from the command line or as a library in other programs. It offers a wide range of options and allows users to specify various parameters, such as input and output formats, bitrate and resolution, and many others. In addition to transcoding and converting media files, FFmpeg can also be used for a variety of other tasks, such as streaming audio and video over the internet, recording screencasts, creating video tutorials and instructional videos, and more. It can also be used to apply various filters and effects to audio and video streams, such as adding watermarks, adjusting volume, and more. As a large and powerful software project, FFmpeg is made up of many different components, including libraries, programs, and other tools. For example, it includes libraries for handling specific types of media, such as image files and subtitles. To use FFmpeg, you can either use the ffmpeg command-line program or use the libraries in your own programs. The command-line program allows you to specify various options and parameters to control the input and output formats, bitrate and resolution, and many other aspects of the transcoding or conversion process. Using the libraries in your own programs allows you to incorporate FFmpeg's capabilities into your own applications, which can be useful for building custom media players, video editing tools, or any other type of program that works with audio and video files. FFmpeg also provides a number of examples and tutorials to help users get started with the software. These examples and tutorials cover a wide range of topics, from basic usage of the ffmpeg command-line program to advanced topics.

    Overall, FFmpeg is a powerful and versatile tool for handling audio and video files and streams. It includes a wide range of libraries, programs, and tools that can be used for a variety of tasks, and is an essential tool for anyone working with multimedia. To use FFmpeg in the browser, you can use the media tools addon. For more information about this addon, please see the FAQ items below.

Frequently Asked Questions

  • 1. What is Media Tools?

    Media Tools, is a simple and very lite add-on which allows you to easily manipulate (convert, resize, merge, etc.) Media files right in your browser. It uses an open-source software called FFmpeg. FFmpeg is an engine containing a suite of libraries for handling video, audio, and other media files and streams. In order to get more info about FFmpeg please read this Wikipedia page. This addon uses nativeMessaging technology to communicate with FFmpeg software on your machine. Before using this addon, you need to install FFmpeg on your machine. You also need the native client patch in order to build the communication between FFmpeg and your browser. Please read the following FAQs to get more info about this addon.

  • 2. How can I operate with this addon?

    In order to operate with this addon, please click on the toolbar button. The app UI will be open in a small and stand-alone window. Within the app, there are seven sections. From top to bottom, section 1 is for choosing the input file(s). Please note that input file should be a media file (i.e. flv, mpeg, mp3, gif, img, etc.) only. You can drag & drop files in the designated area within the app. Section 2, lists all the input files. Section 3 is for the FFmpeg path on your machine. For example if you put FFmpeg folder in windows 10 => 64bit machine => Program Files, the path is: "C:\Program Files\ffmpeg\bin\ffmpeg.exe". If you have a different OS, please make sure to write the correct path in the filed. In section 4, you can write your desired commands. There are some sample commands available in the UI to choose from. There is also a history list which contains the list of previously used commands. If you are not familiar with FFmpeg commands, please read this page to get more info. In section 5, please write the destination folder for the results. By default, "C:\Users\Public" is set as the default folder for storing the results. In section 6 you will find run and stop buttons. Once you press on "Save & Run" button, the commands and input files are sent to the FFmpeg and the final result is generated. The last section is for the console logs. All logs in the app are written in this section. If the app encounters any errors, you will see the message in the console area.

  • 3. How can I download the source code for Media Tools?

    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. What do I need to do before using the addon?

    When you first install the addon, please open the app UI and adjust the path for the FFmpeg client (ffmpeg command-line client). Depending on your operating system, the path for FFmpeg could be different. For example, if you put FFmpeg folder in windows 10 => 64bit machine => Program Files, the path is: "C:\Program Files\ffmpeg\bin\ffmpeg.exe". If you choose a different folder for installation, please make sure to adjust the path accordingly. Once you set the correct path, please install the native-client patch. This patch is used to make the communication between the addon and FFmpeg (native app). Please read the following to get more info about installing the native-client patch on your machine.

  • 5. What is native-client?

    Native client patch is used for connecting your browser (Firefox, Chrome, and Opera) with native applications on your machine (Windows, Linux, and Mac). If you have an add-on in your browser that needs to communicate with an external application on your computer, this native client patch can be used to easily make this connection.

  • 6. How can I install the native-client patch?

    After installing the addon, you need to connect it with native applications (i.e. FFmpeg) on your machine. In order to make this connection, a separate patch is provided in GitHub. Please download and install this patch from here. Follow the instruction in the GitHub page to download and install the related patch to your system. After installing, the "Media Tools" addon your browser can communicate with FFmpeg on your machine (Window, Linux or Mac). In order to get FFmpeg software, please head to this page and find the right package for your operating system.

  • 7. Can I use a different software other than FFmpeg to manipulate media files?

    This addon only works with FFmpeg software. In fact, currently, the best engine to manipulate media files is FFmpeg.

  • 8. What are the famous libraries of FFmpeg?

    Some of the key libraries of FFmpeg include:

    • libavcodec: a library containing codecs (algorithms for compressing and decompressing audio and video data) for a wide range of formats.

    • libavformat: a library for demuxing (parsing) and muxing (combining) different audio and video streams into a single file or stream.

    • libavutil: a library containing a collection of utility functions used by other FFmpeg libraries and programs.

    • libavfilter: a library for applying various filters and effects to audio and video streams.

    • libswresample: a library for audio resampling, sample format conversion, and mixing.

    • libswscale: a library for video scaling and color space/pixel format conversion.

    • libpostproc: a library for post-processing video, such as applying filters for deinterlacing and noise reduction.

    • libavdevice: a library for handling input and output from hardware and software devices, such as cameras and microphones.

    • libavresample: a deprecated library for audio resampling, which has been replaced by libswresample.

  • 9. What are the famous tools and utilities of FFmpeg library?

    Some of the most famous tools and utilities of the FFmpeg library include:

    • ffmpeg: the main command-line utility for converting, streaming, and playing audio and video files.

    • ffmbc: a fork of FFmpeg with a focus on broadcast-oriented features, such as MXF support.

    • ffplay: a simple media player based on SDL and the FFmpeg libraries.

    • ffprobe: a command-line tool for displaying media information, such as metadata and streams.

    • ffserver: a program for setting up a streaming server that can serve audio and video files over the internet.

    • ffmpeg-php: a PHP extension that provides access to the FFmpeg libraries from within PHP scripts.

    • ffmpeg-python: a Python wrapper for FFmpeg, providing access to its command-line interface from Python.

  • 10. What are the key commands of FFmpeg?

    Some of the most important commands of FFmpeg include:

    -i: specifies the input file.

    -codec: specifies the codec to be used for the input or output file.

    -vf: enables video filtering.

    -af: enables audio filtering.

    -preset: specifies the encoding settings to be used.

    -t: specifies the duration of the output file.

    -ss: specifies the start time for the output file.

    -s: specifies the size of the output video.

    -r: specifies the frame rate of the output video.

    -b: specifies the bitrate of the output video.

  • 11. How can I add commnads for FFmpeg?

    If you are not familiar with FFmpeg commands, please head to this page and read the instructions on how to write FFmpeg commands. You can also read this blog post about the FFmpeg commands for converting media files. Some sample commands are as following: (all commands have -i input at the beginning)

    1) Set the video bitrate of the output file to 64 kbit/s: -b:v 64k -bufsize 64k output.avi
    2) Force the frame rate of the output file to 24 fps: -r 24 output.avi
    3) Split a video into images: output%d.jpg
    4) Convert images into animated gif: -i image%d.jpg output.gif
    5) Convert a video into mp3 format: -vn -ar 44100 -ac 2 -ab 192 -f mp3 output.mp3
    6) Covert flv video file to mpg format: output.mpg
    7) Convert video into animated gif: output.gif
    8) Convert mpg video file to flv: -ab 26k -f flv output.flv
    9) Convert avi video file to mpeg: -target pal-dvd -ps 2000000000 -aspect 16:9 output.mpeg
    10) Convert a video to CD or DVD format: -target vcd output.mpg
    11) Extract audio from video file: -vn -ar 44100 -ac 2 -ab 192 -f mp3 output.mp3
    12) Mix a video and audio together: -i audio.mp3 -i video.avi output.mpg
    13) Increase/reduce video playback speed: -vf "setpts=0.5*PTS" output.mpg
    14) Reduce video speed: -vf "setpts=4.0*PTS" output.mpg
    15) Add photo or banner to audio: -loop 1 -i image.jpg -i example - test.mp3 -c:v libx264 -c:a aac -strict experimental -b:a 192k -shortest output.mp4
    16) Add subtitles to a Movie: -i -map 0 -map 1 -c copy -c:v libx264 -crf 23 -preset veryfast output.mkv
    17) Change resolution of video files: -filter:v scale=1280:720 -c:a copy output.mp4
    18) Compressing video files: -vf scale=1280:-1 -c:v libx264 -preset veryslow -crf 24 output.mp4
    19) Compressing audio files: -ab 128 output.mp3
    20) Removing audio stream from a media file: -an output.mp4
    21) Removing video stream from a media file: -vn output.mp3
    22) Convert a specific portion of a "video": -t 50 output.avi
    23) Set the aspect ratio to "video": -aspect 16:9 output.mp4
    24) Trim a media file using start and stop times: -ss 00:00:50 -codec copy -t 50 output.mp4
    25) Split video files into multiple parts: -t 00:00:30 -c copy part1.mp4 -ss 00:00:30 -codec copy output.mp4

  • 12. Can I open the addon in toolbar popup?

    No, this addon only opens in a stand-alone popup window. Simply press on the toolbar icon to open the UI.

  • 13. How can I stop the ongoing process?

    In order to stop the ongoing process, please open the app UI and then click on the - Stop Process - button in the UI.

  • 14. Is this addon available for mobile browsers?

    Yes, this addon is available for all browsers and platforms including mobile browsers. Please note that, in mobile view, the app UI may not look good since the mobile screen is not large enough to render the whole UI.

  • 15. How can I reset the addon?

    In order to reset the addon, please open the app UI and press on the - Reset - button. Please note that pressing on this button will reset all settings to default values. There is also a reload button on the top left corner of the UI. You can press on this button to simply reload the UI.

  • 16. Where can I find the privacy policy for Media Tools?

    Please read the privacy policy for this extension here.


Reporting Bugs

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Reviews | Discussions

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