Questions regarding conversion between various file formats.

learn more… | top users | synonyms

6
votes
2answers
2k views

Converting a video file in arbitrary file format into MPEG4/H.264?

I want to convert a large number of video files in various formats into .mp4 files (container MPEG-4, codec H.264). I want to do this on an Ubuntu machine, using only command-line tools and I'm ...
0
votes
1answer
4k views

How can I quickly convert a GIF file to a video?

I have a small animation formatted as a GIF image file which I would like to convert to a video. Is that possible?
0
votes
1answer
6k views

Converting from mp4 to Xvid avi using avconv?

I normally use avidemux to convert mp4s to Xvid AVI for my Philips Streamium SLM5500. Normally I select MPEG-4 ASP (Xvid) at Two Pass with an average bitrate f 1500kb/s for video and AC3 (lav) audio ...
77
votes
7answers
80k views

Jpeg files to pdf

I have many jpeg files in a directory, and I want to convert them to pdf and concatenate them together to make a document. How can it be done? I'd prefer the command line, as it will be faster.
14
votes
5answers
10k views

How to convert a sound file to Opus

For testing, I want to convert an MP3 and WAV file I have to Opus, what are the steps to doing this?
28
votes
8answers
94k views

How do I convert an MP4 to an MP3? [duplicate]

I have some songs which are in mp4 format and I want to convert them into mp3 format. I am new to Ubuntu/Linux. So please explain the step by step process or give any software which can do the above ...
3
votes
3answers
8k views

Unknown encoder 'libvo_aacenc'

I get this error when I try to convert an wmv to 3gp using this command: ffmpeg -y -i "inputvid.wmv" -vf scale=352:288 \ -f 3gp -vcodec h263 -r 15 -b:v 200k \ -acodec libvo_aacenc -ac 2 ...
6
votes
1answer
386 views

How to convert .odt document to .org file?

Are there any tools to convert an OpenOffice.org (.odt) document to a .org file?
7
votes
2answers
4k views

How do I convert a PNG to SVG, using a software?

I'd like to be able to crop SVG chemical structures, completely (see this question), that were created using MarvinSketch and I think I might have thought of a solution; I use MarvinSketch to create a ...
16
votes
6answers
11k views

How can I encode and decode percent-encoded strings on the command line?

How can I encode and decode percent-encoded (URL encoded) strings on the command line? I'm looking for a solution that can do this: $ percent-encode "ændrük" %C3%A6ndr%C3%BCk $ percent-decode ...
14
votes
5answers
19k views

Convert library of WMA tracks to MP3's?

I know there are options such as Sound Converter for doing them one track or directory at a time, but are there any tools that will recursively crawl through a directory's subdirectories and convert ...
10
votes
2answers
104k views

How to simply convert video files (i.e.: MKV to MP4)? [duplicate]

I simply want to convert files, any format to any format (at the moment, I need to convert MKV to MP4-h264), without losing quality. I don't want to resize (scale) the video, I don't want to change ...
1
vote
2answers
47 views

qcow2 image much bigger then original vmdk file after conversion. how to avoid that?

I converted a vmdk image file to qcow2 with qemu-img (on a ubuntu 14.04 server) sudo qemu-img convert -f vmdk -O qcow2 Odoo-disk1.vmdk odoo-disk1.qcow2 now, the resulting qcow2 image is more then ...
0
votes
2answers
43 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 ...
0
votes
4answers
5k views

How to convert rmvb to mp4? (or, why ffmpeg doesn't work?)

I'm trying to use this script to convert an rmvb video to mp4, but I'm having problems with the ffmpeg. In apt-get there's only ffmpeg0 and ffmpeg-dev, I installed both, but the script doesn't work, ...
0
votes
0answers
168 views

How to Convert USB flash drive to a Local Disk on Ubuntu

Well I have been looking around on possible ways to convert my USB flash drive to a Local hard drive. I have found several tutorials and videos that are based on WindowsOS for example: USB Hack: Turn ...
1
vote
3answers
646 views

Re-encode video files

I have lots of video files and am running out of storage space fast. Without affecting the quality too much, what is an easy quick way to re-encode these files to smaller files? The original files ...
8
votes
5answers
38k views

how to convert avi (xvid) to mkv or mp4 (h264)

Very noob when it comes to video. I'm trying to make sense of what I"m finding via Google... but its mostly Greek to me. I have a bunch of Avi files that won't play in my WD TV Play box. Mediainfo ...
0
votes
1answer
4k views

mp4 to mpeg TS 2

I want to convert mp4 video to mpeg Ts2. What's the best way to do it and preserve HD quality? Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'How to Get the Newest Smartphones from AT&T - YouTube.mp4': ...
0
votes
2answers
89 views

How can I convert .264 file to .mp4

I want to convert an elementary stream(.264) to container format(.mp4). Can someone please help me on this? How can I use ffmpeg to do this task? What are all the other methods that could accomplish ...
2
votes
3answers
5k views

I cannot find the FF Multi Converter for Ubuntu 14.04 LTS

Is there a version of FF Multi Converter for Ubuntu 14.04? I installed the PPA, but the program exists only for older versions. In PPA there is not a version for Ubuntu Trusty. Is there a place where ...
3
votes
2answers
1k views

Replace audio stream from one file with audio stream from another

I have got two video files: .mp4, with a single (incorrect) audiostream, and an .mkv, with two audio streams (one incorrect, the other correct) Is there a way to replace the audio of the .mp4 file ...
1
vote
2answers
104 views

Run html2text on all files in a directory that do not have an extention

I have a directory filled with many files with no extensions that were put there by a call to wget. I want to use html2text to convert all these files to plain text files. In other words, how to ...
0
votes
1answer
244 views

Remove Audio Streams of videos - recursively without converting audio or video with FFMPEG

Lets say for example you have a season of a TV show, the best encode you can find, but it has multiple audio streams, that you don't need. You don't want to re-encode and loose video/audio quality and ...
25
votes
5answers
42k views

Is there a better pdf to text converter than pdftotext?

I'm using pdftotext (part of poppler-utils) to convert PDF documents to text. It works, for the most part, but one thing I wish it did was to insert blank lines between separate paragraphs instead of ...
18
votes
5answers
11k views

pdf to mobi convertor

is there any application in natty which can convert a pdf file into a mobi file?
3
votes
3answers
2k views

What is a easy way to view texi files?

I am reading some files for a library I plan on using and the files are of extension '.texi' and although I can open the files in gedit, all the syntax and markups make it difficult to read. Also, I ...
1
vote
2answers
255 views

How can I convert mp4 and mkv to 3gp?

I've a directory with 28 mp4's and 2 mkv's. I want to convert them all to 3gp using avconv. How do I do that?
0
votes
1answer
78 views

Where is the output of pdftoppm?

Hi I followed the instructions for using pdftoppm in the terminal so as to convert a pdf to an image. I tried: pdftoppm -png file.pdf prefix I also tried it with the resolution parameters rx ...
5
votes
2answers
9k views

How to convert multiple ISO8859-1 to UTF-8

Am trying to convert several SQL files from ISO8859-1 to UTF-8 Am doing the following command: iconv -f ISO_8859-1 -t UTF-8 *.sql What i get is an output of their content to the terminal which is ...
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!
3
votes
2answers
3k views

How do you convert many files from .xlsx to .xls?

What is a way to convert a batch of .xlsx files to .xls format? I would prefer it to be a command-line solution, but anything is better than opening each manually, and manually saving in the new ...
22
votes
2answers
22k views

How to replace avconv with (the real) ffmpeg and have it work right?

UPDATE (original text preserved below) With the real ffmpeg about to return (in 15.04), Jon Severinsson's PPA no longer working (for ffmpeg), and both avconv-ffmpeg (now called "libav") and the real ...
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: ...
-1
votes
1answer
733 views

Software for converting .m3u to .mp3

I have downloaded some of the music files which are in .m3u format and I want to convert it to .mp3 format so that I can listen it in my mp3 player. Is there any software or online converter ...
2
votes
0answers
153 views

How can I get the text of notes in a ppt file via unoconv?

I would like to get text of notes for individual slides in PPT to easily accessible format in my linux machine(Ubuntu 12.04). My goal is to convert PPT slides to image files with meta data, notes as ...
-1
votes
3answers
1k views

ISO to MKV batch conversion for dummies

I've tried finding a solution to my problem - unfortunately without luck. I've just installed Plex Media Server and are loving in! However, it can't play the 100 ISO-files with my DVD-movies that I ...
0
votes
2answers
1k views

Sound converter on Ubuntu Gnome offers no option for converting audios to mp3

I often use sound converter to convert my audio files to mp3 and It works perfectly on Ubuntu Unity but when I move to Ubuntu Gnome there is no option for mp3 format. Sound converter does show how ...
2
votes
2answers
758 views

How can I convert a CSV file to XML?

How can I convert a CSV file to XML? Is there any software for Ubuntu?
0
votes
0answers
54 views

How do I change the frame rate without affecting the speed?

I have an mp4 file and I want to change it's frame rate without affecting the video's speed, in Linux. How can I do that?
8
votes
8answers
25k views

How to convert mkv to dvd or avi

I have some mkv files, and while Totem plays them perfectly, when i use Devede to burn them to dvd it all gets messed up: the video is ok, but the audio is out of sync. I did see that Devede does ...
14
votes
7answers
3k views

Convert thousands of .pngs to animated .gif, `convert` uses too much memory

Many of the questions asking how to create an animated gif from a set of png images suggest to use a variant of ImageMagick's convert command: convert -delay 2 -loop 0 *.png animated.gif However, I ...
1
vote
0answers
228 views

ISO to IMG converting error

I'm having trouble converting, with the following output only a single input file can be specified. Anyone know where the issue is? NAMEZs-air:~ NAMEZ$ hdiutil convert -format UDRW -o ...
0
votes
1answer
168 views

Error trying to convert .avi to .iso in DeVeDe - Conversion failed. It seems a bug of Mencoder

After a lot of Googling, I still cannot convert an avi to an iso. I tried to install ffmpeg from ppa https://launchpad.net/~jon-severinsson/+archive/ffmpeg and I changed in preferences "Encoder for ...
2
votes
0answers
136 views

Ubuntu 14.04: Converting a `pdf` file to `ps` format

I want to convert pdf file to ps file and used the following command in Ubuntu 14.04 pdf2ps input.pdf output.ps But this command throws the following error: sfopen: gs_parse_file_name failed. ...
4
votes
3answers
5k views

Howto convert audio files to *.m4a?

I want to convert a lot of *.flac and some high bitrate *.mp3 files to *.m4a files. I want to use a fixed bitrate of 192kb (stereo) and want to keep the audiotags (except of, obviously, the tag ...
1
vote
1answer
86 views

Convert DATETIME in millisecond

I have the Date Time format YYYY-MM-DDThh:mm:ss.sTZD like 2014-11-03T18:54:40.533+05:33333 i have to convert it into milliseconds. i use date -d "$time" +%s0000 but getting error invalid date.
1
vote
0answers
297 views

GIMP Separate RGB -> CMYK plugin - how to get output color profile

I use newest Ubuntu and newest GIMP, i have the plugin Separate installed. I try to convert image to CMYK. In a dialog in a drop-down list I have 16 RBG profiles to choose input profile, but none for ...
5
votes
1answer
3k views

Convert .mp4 to .ogg keeping only the audio, with Ubuntu 14.04 and avconv

How to convert a .mp4 file (downloaded from YouTube) to .ogg? (keeping only the audio) When Ubuntu had ffmpeg I could just do ffmpeg -i file.mp4 -acodec vorbis file.ogg Now we have to do without ...
7
votes
1answer
22k views

How can I install PDFedit on Ubuntu 14.04?

I need to convert a PDF document (tables) to .xls format. So I've read that I need to turn it into text with pdfedit. I need the steps to install PDFedit on Ubuntu 14.04. There are some workaround ...