Questions regarding conversion between various file formats.

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17
votes
5answers
12k 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?
25
votes
7answers
43k views

converting epub files to PDF format

I would like to know the ways in which epub files can be converted to pdf in ubuntu. Any method, GUI or command line conversion is fine as far as my epub gets converted to pdf. Thanks.
17
votes
6answers
22k 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 ...
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 ...
23
votes
2answers
140k 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 ...
0
votes
1answer
31 views

Convert PostScript to PDF

I have multiple postscript files that I'd like to convert to PDF using a script. I'm not looking for script assistance, but rather assistance with what program would/could I use to make the conversion ...
5
votes
4answers
3k views

ffmpeg/avconv - the -psp option no longer works on Sony Walkman

Since the changeover from ffmpeg to avconv, the -psp option does not seem to render video correctly for Sony Walkman - "file format not supported", it was perfect before. ffmpeg -i video.avi -f psp -...
0
votes
0answers
15 views

SFK to convert text to sound with minimodem?

I've installed minimodem on a server running Ubuntu 16.04. I've read through the documentation but still having trouble. I want to input a text file and use FSK to output an audio file.
0
votes
1answer
133 views

How to convert a video file from mkv to a format supported by the TV set?

I have a mkv video file which contains the following content: > mkvmerge --identify original.mkv File 'original.mkv': container: Matroska Track ID 0: video (V_MPEGH/ISO/HEVC) Track ID 1: audio (...
5
votes
4answers
30k views

Preview of CAD files in format .dwg

I'm looking for a utility or a program for Ubuntu, and possibly even for Windows that is able to convert a CAD file format .DWG to PDF. My need is to provide a preview of CAD files, and I thought ...
90
votes
6answers
101k 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.
6
votes
2answers
4k views

How do I convert music between formats and keep its metadata?

I tried to use Sound Converter to convert several folders of files from .m4a to .mp3 format and lost all file metadata in the conversion. I used Ubuntu 10.04 LTS with Sound Converter 1.4.4-2. Is this ...
3
votes
2answers
1k views

How to batch convert legacy files to UTF8?

I think the ideal solution for me is a Nautilus Script that performs encoding conversion on selected files. The following script reads the encoding of a selected file and performs utf8 conversion if ...
9
votes
1answer
31k 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 ...
6
votes
2answers
5k views

LibreOffice Command Line Conversion - No Output File?

I am using LibreOffice installed on my Linux box and I seem to be having a weird problem in that the conversion seems to be taking place, and there seem to be no errors, but there is no output file in ...
18
votes
7answers
15k 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 "%C3%...
1
vote
1answer
25 views

How do I convert existing forms to fillable PDF's?

I know a solution for Windows, but I don't know a solution for Linux. The tool for Windows is for free and does the conversion automatically. I would like to have a software for Linux, which does the ...
3
votes
1answer
570 views

How to open word 5.0 files?

I tried Libreoffice but failed. I used the file command, but it only recognizes the file as "data". Is there a way to open a very old format like a Word 5.0 file? After I use catdoc,it shows ...
1
vote
2answers
574 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?
10
votes
5answers
22k views

Insert subtitles permanently and convert video

I need to do two things with an .avi video: Insert subtitles (.srt) permanently without modifying its timing or the video intself. Convert the new video (with the permanent subtitles) from .avi to ....
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?
32
votes
8answers
105k 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
10k 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
406 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
6k 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 ...
0
votes
2answers
192 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
74 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
603 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
682 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 ...
9
votes
5answers
48k 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
6k 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
223 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
6k 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
2k 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
189 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
343 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 ...
29
votes
5answers
51k 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 ...
19
votes
5answers
13k views

pdf to mobi convertor

is there any application in natty which can convert a pdf file into a mobi file?
3
votes
3answers
3k 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 ...
0
votes
1answer
164 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 etc....
5
votes
2answers
10k 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
3k 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 ...
25
votes
2answers
25k 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
16k 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
920 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
191 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
2k 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 ...