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Libre AV Converter provides a translatable GUI for the converter ffmpeg, also can expand to more similar binary. Libre AV Converter is a universal media converter, recorder, streaming issuer, CD ripper and editor.

Free software
OS: Win
File size: 13MB
Portable version
Old versions
Version history
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Libre AV Converter screenshot
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Libre AV Converter screenshot 2
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Latest version

2.0.14 (January 20, 2020)


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Download Libre AV Converter 2.0.14  13MB  Win  Portable

Download Libre AV Converter 2.0.14 64-bit  13MB  Win64  Portable

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Download Libre AV Converter old versions

Software License

Free software / FOSS (Free download and also Free and Open Source Software)

Supported operating systems


Complete Version history / Release notes / Changelog


Minor fixes
Added: Option to map or subselect streams of a file. Available in the File menu - Map of the main window
Added: Quick help to create a format. Available in the Format Profiles Editor from a small button with a magic wand icon
Added: Online help link (which links to the program's blog). Available in the "Help" menu of the main window
Changes in the converter module to process only the subsets selected or mapped by the user


Added: algorithm selection for resizing video, available in the editor of editing profiles
Changes: language files
Changes: file manager interface (icons instead of text) and new file types
Changes: External Codecs Editor
Changes: Format Profile Editor
Changes: Converter Module
Changes: File Manager
Added: 2 new file types 'fca' and 'fcv' that extend graphic support for ffmpeg codecs itself
-They are edited with the External Codecs Editor which was modified to manipulate the new files
-Its structure is the same as the 'lca' and 'lcv' files (files that add support to external binaries to ffmpeg)
-They are loaded just like an 'external codec' within a format profile (Options Menu - Load external audio codec (ffmpeg), Options Menu - Load external video codec (ffmpeg))
-The codec options, to be configured graphically, appear (equally) in the category 'Audio output' and 'Video output'
-The Converter module sends the commands directly to ffmpeg omitting the extraction and coding step with an external binary
Added: Option to fill in the edges added to the video (Editing profile editor). In addition to being filled with a solid color, they can now be filled with an image, a video or the same file that you try to process. In the latter case, options are added to add simple effects to the fill.
-Added: Graphic support for the 'overlay' filter with which an image or even a video can be superimposed, with additional options such as selecting the opacity level of the superimposed image or converting a color to transparent
Changes: Modification of the 'PlayFile' function of the 'ffmpeg' module to reproduce converted data in real time. Function used in the Edit Profile Editor (Options Menu - Preview)


Changes: Use the volume filter instead of the -vol option to change the audio volume
Changes: Warn that the use of "<copy>" container is only possible when using external codecs
(Error solution when using "<copy>" format with ffmpeg)
Added: Option to record subtitles in ASS format in video frames (Editing profile editor)
Added: "Buffer size" option required for some codecs to work (Format Profile Editor)
Added: "Read at native fps" option, useful when streaming and requiring the transmitted video to be uploaded as if it came from a camera recording and not from a file
Modification of language files (extension)


Interface Changes
License change (formerly Creative Commons Attribution No Derivative now GNU)


Added: dialog box to capture the output of the player (ffplay) and show support for use. The capture was necessary to know the status of the process and, in some cases, taking too long to show the playback window. This caused the program to wait indefinitely hidden until the user ended play or be forced to use the Task Manager.
Added: auto-select conversion file when tests are done and there is only one item in the list "Files to Convert" option to
Fixed: Editor issue profiles - when a filter is not found he could not remove the reference to it
Fixed: Editor issue profiles - the list of "filters not found" is not displayed when the interface was in another language other than <Spanish>.
Changes: Edit Profile Editor - Graphic Cut - Sequence scan - Preview sound segment
- Increase the length of the segment to 7 seconds
- Changed the method of generating commands to prevent the player (ffplay) will be frozen and the user is forced to use the Task Manager to force its closure.


Prevention crash when an invalid frame on "Edit Profile Editor - Graphic Cut" is loaded
Correction: Edit Profile Editor, the 'OK' 'Cancel' and 'Load' buttons are not concealed when the editor was opened in manual mode
Correction recorder: the "closing" window is not blocked when being recorded
Correction: Text Viewer did not restart the pointer position when unloaded
Correction: the directions suggested to transmit on the network is not listaban, opening a second time window Issuer
Changes: The module to capture the console has been modified, thereby have added the following functions
--- You can send the order to ffmpeg the end of a process without having to force quit, avoiding the generation of corrupt files. That role was assigned to the "Stop" buttons. While the old forced closing function assigned to new buttons "Stop (force)"
--- You can record without specifying the recording length
--- You can pause a recording
--- You can pause a broadcast (streaming)

Fixed: Message output ffplay not displayed when an error occurred Play
Added procedure for the 'tags' of audio and video codecs, analyzing a file. These tags are important properties of a file or do not support certain devices.
Added hold message when a file is scanned from the main window and from the menu "Get file values" of "Format Editor '
Changes in the procedure for Mostar box "Open File" dialogue to avoid message "Please insert a disk in drive X"


Correction text viewer: search for "back" erroneous, the pointer in the textbox not saved when the user clicked on it
Correction edit profile editor: preview edges added to video was shown incorrectly because it was not well generated commands
Correction In the procedure for generating commands for extracting video
Changes in the profile editor edit - control "graphic cutout" play button now displays preview. The position of the bar "reproduction" does not restart the width and position of the crop rectangle sequence, allowing locate the position of the frame shown in picturebox
Added procedure to automatically assign a file extension when a container format is selected


Corrections command generation: Routes of entry need to be quoted because some systems do not support short routes
Correction edit profile editor: When a graph cut the sequence was not kept the option "Convert to position"


Changes: Procedure for the "Cancel" button in the Format Editor and Profile Edition ("Manual" mode). Pressing those buttons now changes are discarded and will not ask the user whether to save
Correction: When a profile format containing information from external codecs opened, the option is not showing "Search executable"
Corrections procedures profile editor editing - cut graph (rounding were too inaccurate cut positions)
Correction Editor Formats: Label frame "About the external codec ..." did not translate
Replacing the procedure to send files to the Recycle Bin: instead of the script object is now API, peritirle program to remove / delete files without user intervention
Aggregate messages waiting for the recorder, the issuer means the profile editor and editing text viewer. The capture command and the subsequent processing of the capture took too long to not learned the user that the program was busy.
Added Portuguese language resource data


Crashes +++ +++++
- Fixed "mismatch" when lists of "Format Editor" were cleaned
++++ Changes, corrections +++++++
- Elimination of unused lines in the "lang", updating the list LangData indices (module)
- FIXED "not the <Manual> file found" when the profile is edited "<Manual>" from the button ">>" in "Issuer" and "Recorder"
- Elimination of "Port" in the "Issuer" to enter addresses other than udp: // localhost: port or rtp: // localhost: port
- Changes in the procedure of opening of file ("manual" mode) "Format Editor" and "Edit Profile Editor" that, when closing the 'X' button, you are warned file changes
- Changes in the procedure "Start Recording" to avoid having to enter a time when "Destination" will "Issue"
- Changes in the form borderstyle "Editor of external codecs" to avoid resize
- Changes in the "Editor of external codecs". When a parameter is edited, now the user must confirm changes to it (or discard) before to close the editor. This prevents those changes to be lost by accident.
- Changes in the "PlayFile" procedure to prevent error messages when the player closes
- Documentation Update


- Corrections in procedures and language
- Changes in procedures: lists capture devices and delete files


- Corrections in language
- Elimination of unused code
- Changes in procedures
- Changes in the procedure for generating commands when encoding with ffmpeg executable alien


- Correction: Edit Profile Editor - Tags 'add edge' incorrectly positioned
- Correction: external codec Editor - Can not edit the label of a parameter to change upper / lower case
- Correction: Edit Profile Editor - procedural error "SeleccionarFiltros"
- Changes in the procedure for obtaining IP address
- Changes in the procedure for capturing device list
- Text Viewer: write lock on the text box
- Text Viewer: change in the way to capture the console output
- Changes in the procedure for extracting tracks and get the tracklist
- Correction - Editor of external codec - error trying to open a codec from the file manager
- Added option to move encoded tracks (with some external codec) rather than mixing with ffmpeg
- Changes in the interface and the code for information "About the external codec ..."
- Added option to load the strings of the application in English to create new language files
- Documentation Changes

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All features

Translatable, multilanguage
Multifunctional: converter, streaming, cd ripper, recorded and player audio/video
Expandable: expands the formats supported by using other binary
Light: consumes little ram and processor, by the simplicity of the interface and and powerful ffmpeg algorithms
Organized access: the infinite ffmpeg options are the most attractive of the converter. This program gives you the possibility to access graphically and organized these functions.
Convert only specifying a file extension: the ffmpeg algoritms automatically determine codecs, container, etc.
Great support: supports dozens of formats and codecs (gif, jpeg, avi, mp4, aac, wma, wmv, ogg, mp3, h264, h265, mpeg4, divx, asf, flac, and many more)
No ActiveX: the project does not use OCX controls, except runtimes no need to install special libraries. The source code is completely written in VB6, the project uses APIs available for Windows XP to the latest versions (8.1).

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Alternative to Libre AV Converter

XMedia Recode

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1 reviews, Showing 1 to 1 reviews

Hello people good night.

I downloaded this program yesterday, and did a first test, converting an audio from m4a to flac, the result was very good, because it even converted to 24 bits, then tried to do the same conversion, but at a frequency of 48000khz, and " caught "a bit, due to not knowing the ffmpeg command lines very well, but in the end I got it. The good thing about it would be the plethora of conversions you can do in practically all known formats, but one thing that bothered me a bit (although I understand the purpose of the program) is the fact that the interface is still for me a little confusing .. But I understand that, because of the infinite tools he has, you can not make it more summarized, although there is this possibility but this would not be the case; A very nice point he has is the conversion profile creation (something very similar to atubecatcher), this is something that is very useful, although, strangely, he still asks you to define the extension of the file (hours, but if I set a profile, which asks me to choose the file extension, why ask me again?), but finally, the program, for those who are used to working with ffmpeg, and understands a lot of command lines, can handle without major problems, now for those who are a more habitual user, can at first get lost, although I believe that the target is more advanced users ...

Review by Diego Souza on Dec 19, 2019 Version: 2.0.13 OS: Windows 10 Ease of use: 7/10 Functionality: 8/10 Value for money: 10/10 Overall: 8/10

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