related to the conversion from one [file-] format to another

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0
votes
1answer
49 views

How to strip off all but audio from an mp4 file?

I have an .mp4 file with both audio and visual, however I want an .mp4 file with just audio, so how can I just strip off the rest? Is there an application which will allow me to do that? I am running ...
0
votes
1answer
32 views

batch “convert” into jpg with nice alpha flatten

I would like to batch resize and convert to jpg a few png files. But some pixels are transparent, and some are half transparent; I would like the transparent ones to be white, and the half-transparent ...
12
votes
2answers
12k views

How to convert wav to ogg and mp3 using VBR

How to convert wav to ogg and to mp3 with VBR and excellent end quality? If possible, using soundconverter or ffmpeg. Incidentally, I tried to see whether soundconverter uses VBR and there is ...
5
votes
5answers
14k views

How can I convert .mp4 files to .3gp using ffmpeg?

I would like to download a few videos from youtube and convert them to 3gp so that I can play them on my phone. I would like to know how this can be done using ffmpeg. I tried the various results on ...
2
votes
1answer
913 views

Convert HEVC files with ubuntu

I got hevc files working in Ubuntu using instructions here but playback is not possible on the TV (watching movies on the tv by saving them to flash drive and connecting it) So, if possible, I need ...
1
vote
0answers
36 views

How to convert iso to dmg on ubuntu

I have downloaded Yosemite-Zone.iso on ubuntu , iwant to convert it to dmg on ubuntu ., how to do that
0
votes
1answer
54 views

Script: Recursively convert wma files to MP3, then remove WMA files

I'm trying to fix a script that recursively searches a directory tree for WMA files - converting them to MP3 files, and then removing the WMA files, leaving the converted MP3 files in their place. ...
17
votes
3answers
19k views

How can I convert a .m2ts to .mkv?

Does anyone know of an application that allows me to convert an m2ts file to mkv or some other format? Preferably something that allows me to convert it directly, rather than convert the whole Blu-ray ...
6
votes
3answers
4k views

Is there a way to batch export SVGs to PNGs?

I have these SVGS and I'd like to export them to PNG images, I could export them with Inkscape but that would mean open each file and export that file to PNG which is not efficient (I have hundreds of ...
0
votes
5answers
7k views

How to use Ffmpeg to convert wma to mp3 recursively, importing from txt file?

I tried different options from forums, but most of them are out of date (ffmpeg tells me about it, like with -sameq option). Im trying to understand the docs, but I can't. I want to know how to ...
0
votes
1answer
45 views

How to Convert mulfiple files using ffmpeg

I need to convert 1000 files from .flv to mp4. I organized 10 folders with 100 items each. I have been using the following command in each file: Root@root:~/1/2/3/4$ ffmpeg -i 1.flv -codec copy ...
0
votes
1answer
31 views

Selective crop in pages of a PDF document

How to extract concrete sections of concrete pages in a PDF document, without converting to images first and then cropping images? Is there a way to parameterize convert to do this job? Edit: Say, ...
6
votes
6answers
30k views

How to convert a HTML file to PDF (with colors)

I have a HTML file that is using a style.css and has colors, ex.: <font style=BACKGROUND-COLOR:red; color=white>FOO</font> How can I "export" this local file on my Ubuntu 12.04 to a ...
73
votes
9answers
116k views

How can I convert audio from MP4 or FLV video files to mp3?

Is there an application that allows me to extract the audio from a MP4 or FLV video file and store it as an MP3 file for use in a portable media player?
2
votes
0answers
45 views

converting opj files to a readable file format in ubuntu

I used to work in Microsoft Windows and lots of my data are in opj format from Origin. I deeply searched to find a way to convert my files in Linux but I found almost nothing to work. Do you have any ...
0
votes
2answers
44 views

Converting images of different types to PDF [duplicate]

I have a few hundred image files. This consist of files of multiple type like 1.png 2.jpg 3.png and so on. I want to create a PDF from these images without changing the order of pages. The number in ...
1
vote
2answers
51 views

pictures size in foot or inch format

I have many pictures, I'm going to resize them all together from command line in foot unit (or if it's not possible in inch unit). I know there are GUI apps can do this but it works only one by one ...
1
vote
2answers
367 views

Problem with accents when using ImageMagick or Ghostscript to convert PDF to Image

I am having a problem when converting PDF to Images using ImageMagick or Ghostscript. All accented characters disappear from the converted image. I found a couple of people having the same problem and ...
1
vote
1answer
38 views

How can I create an animated GIF in Ubuntu using a set of images?

I have a set of about 500 JPEG images. The collective size of the set is about 60 MB and each image has the dimensions 480 x 270. I want to convert these images to an animated GIF. I have attempted ...
6
votes
4answers
6k views

How can I batch convert mkv files to mp4?

At moment I use the single video command of: avconv -i File_name1.mkv -codec copy File_name1.mp4 To change format but I need a method to do this for over 400 videos what would the batch command ...
1
vote
4answers
7k views

How to convert flv to mp3 on ubuntu 14 without ffmpeg

And how to do any convertions in Ubuntu 14 if there is no ffmpeg anymore? When I last use it prev version I had warning to use different tool but I don't remember what it was.
0
votes
0answers
31 views

Using GXSCC through the terminal

I recently found GXSCC, a program used to convert MIDI files to 8 bit and I was wondering if there was any way to do this entirely through the terminal or a similar program that can? So a single ...
0
votes
0answers
53 views

How to remap usb-rs232 converter to serial?

I'm using ubuntu 14.04 and i need to know this: I have a Usb to serial adapter that is at /dev/ttyUSB0 I use software(ADTpro) that only looks at the serial ports /dev/ttyS0 How do i remap ...
0
votes
0answers
15 views

How to convert mp4 to gif? [duplicate]

I have a video in mp4 format, however I need to post it in a question here so need to convert it into an animated gif (there is no sound), so is there any easy way of converting an mp4 file into an ...
31
votes
9answers
24k views

bulk/batch convert mp3 files to ogg via command line?

is it possible to convert mp3 to ogg via command line? I'd like to just in a bulk swoop convert my mp3 files to ogg so i can play them in firefox without any issues.
5
votes
2answers
2k views

How can I batch convert images to b/w while preserving the folder structure

I want to batch process images but I have a very specific task that I want to do I do not want to change image type I want to make them black and white I want it to create/preserve images and sub ...
0
votes
0answers
47 views

How can I prevent ImageMagick's convert from locking up my system?

I have a decent 4-core i7 computer with 8 GB of RAM and 45 GB of free SSD space. When I run ImageMagick's convert program on a PDF, it briskly consumes vast amounts of resources such that the computer ...
3
votes
2answers
1k views

How to convert flv file(s) to mp3 from PCManFM's (Open with) context menu?

Opening a terminal in a folder that contains a flv file called "one" (one.flv) and running this command: ffmpeg -i one.flv one.mp3 the flv file is converted to mp3 with the same name and in the same ...
0
votes
1answer
6k views

Switch from Ubuntu to Kubuntu — 14.04

What is the command to remove all Ubuntu apps from a Kubuntu desktop, and vice versa, in Ubuntu 14.04? I want to keep the new Unity Locker, but remove everything else :)
0
votes
0answers
13 views

failed upgrade from windows 10 to Ubuntu 14.04 [duplicate]

I'm a newbie Ubuntu user at home (I use it ~20% at work in environments others maintain for me). I have an old Lenovo laptop that is getting increasingly slow under windows (now windows 10), and I ...
13
votes
3answers
4k views

ImageMagick convert can't convert to webp

On Ubuntu 12.04 ImageMagick doesn't seem to support webp. convert flyer.png flyer.webp creates an png file with webp extension. On https://developers.google.com/speed/webp/docs/using is stated that ...
7
votes
2answers
19k views

Converting a lot of image jpg to png

I want to convert a lot of image(nearly 100) from jpg to png format. How can I do this without renaming them?
18
votes
4answers
38k views

Convert filesystem NTFS -> EXT4?

I have 2 TB of data on an NTFS drive which I would like to convert to EXT4 filesystem. My OS runs on a (comparatively) small 60GB SSD. Is there any way to convert the filesystem, apart from backing ...
1
vote
2answers
55 views

I want to fully switch to Ubuntu

Right now I have windows and Ubuntu on my laptop. I don't use Windows anymore. But it still has the majority of my hard drive space. How do I fully switch to Ubuntu. Also. It is apparently badly ...
5
votes
2answers
7k views

Converting images into video

I found a method on internet to use avconv to make a video from images, but the quality is very poor. I set the resolution but it didn't help. avconv -i "franc%04d.jpg" -r 30 -s:v 1280x720 a.mkv ...
0
votes
0answers
53 views

Create Second Audio Stream in AAC with FFMPEG

so I recently started using apache to serve my videos, and while I can use VLC, I would like the option to be able to play in browsers and that requires specifically an AAC audio stream. Anybody know ...
32
votes
8answers
54k views

How to convert a m4a sound file to mp3?

I tried with: $ ffmpeg -i music.m4a music.mp3 but I got a zero bytes file. The output was: FFmpeg version 0.6-4:0.6-2ubuntu6.2, Copyright (c) 2000-2010 the FFmpeg developers built on Sep 16 2011 ...
1
vote
3answers
2k views

Software for converting mp4 files from 720p to 480p

I have some videos I want to convert into 480p since my netbook can't handle 720p videos and higher. Do you guys know any free software that can do so? Thanks!
25
votes
6answers
20k views

Converting DJVU to PDF

I want to convert a DJVU document into a PDF document, separating and preserving the text layer and the images while also keeping the structure from the DJVU. How can I do this in Ubuntu? (I will ...
9
votes
1answer
792 views

How to convert a PNG strip to a GIF?

So, I made this animation in a program, however, it doesn't seem to support exporting as a PNG sequence so I could convert it to a GIF. The animation is over 100 frames so saving each image one-by-one ...
0
votes
1answer
532 views

Convert OGG (And other formats) to MIDI?

Are there any methods to doing this on Ubuntu 14.04? What kind of quality should I expect from the midi file?
0
votes
1answer
4k views

How To Convert a BIN file to ISO on Linux 14.04 Using PowerIso?

I need to know how to convert a BIN file to an ISO file. I've tried using bchunk. And for some reason, it didn't work. Now I have PowerIso and I want to convert my Final Fantasy VIII (Disc 1).bin ...
0
votes
1answer
20 views

checking out convert option available for ubuntu

I need to check out whether my linux system installation have "convert" command available. Is there a command to control this situation?
0
votes
2answers
407 views

How can I use convert to resize images to a specific width keeping the ratio for the height? [duplicate]

I have a file with the full path to an image on each line, all are jpg. I want to resize every image/line in the file to 1024px in width, while keeping the aspect ratio for the height. I simply want ...
0
votes
1answer
55 views

Convert many music files to mp3

Is it possible to convert many music files(directory and sub-directories) to mp3? There are more then a thousand songs there I would like to convert, but I would also like to keep folder structure. If ...
3
votes
2answers
989 views

How to convert png to tiff? [duplicate]

i need to convert png files to tiff. Is there an easy way to do so in Ubuntu 14.04? Thanks!
3
votes
4answers
61k views

Convert mkv to mp4 with ffmpeg

When I try converting mkv to mp4 using ffmpeg, the following error occurs: version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers built on Jun 12 2012 16:52:09 with ...
14
votes
2answers
15k views

Convert PDF to image

I'm trying to convert a PDF file (it's a book) into an image. When I using convert like this convert book.pdf book.jpg or like this convert book.pdf book.png then I get this warning Warning: ...
0
votes
1answer
129 views

How to convert the files in an audio playlist to one large audio file?

I have created an audio playlist file (m3u) from a list of around 40 mp3s. I need to be able to combine/join these files into one large audio file (mp3 or wav) that maintains the order that they are ...
0
votes
2answers
417 views

Convert NTFS TO FAT file system

How I change NTFS file system to FAT or MS-DOS file system without losing my data using Linux Commands?