Questions regarding conversion between various file formats.

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14
votes
5answers
7k views

pdf to mobi convertor

is there any application in natty which can convert a pdf file into a mobi file?
13
votes
8answers
50k 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 ...
12
votes
4answers
10k 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: ...
10
votes
5answers
11k 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
9k views

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

Anyone know how to install the real, current ffmpeg (not the older version by avconv that comes w/ Ubuntu) without having the problems mentioned here? Reasons: Everything works (or so many have ...
10
votes
4answers
5k 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?
9
votes
4answers
2k views

App that will rip mp3s from an analog cassette tape?

I have a few audio cassette tapes from the 1980s :) The albums were never released on CD, and to prevent any more deterioration and from losing the songs forever I wanted to rip the tapes to mp3. ...
9
votes
3answers
4k 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 ...
9
votes
2answers
6k views

How can I convert .epub files to plain text?

I'm able to view an epub file in, say, okular, select all the text and copy-paste into a text editor. I'd like a command line method - anyone know of such a thing?
8
votes
4answers
16k 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.
8
votes
8answers
19k 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 ...
8
votes
10answers
10k views

Video converter: ogv to avi (or another more common format)

I've been using recordMyDesktop to record stuff. A little slow to compile but it records fine. However, when I try to convert from ogv to avi (I've used Devede and an mencoder script) the audio and ...
8
votes
3answers
3k views

How can I convert an iTunes WAV music library to FLAC from the command line?

I have a large music library that is currently managed by iTunes in Windows. When I started out 5 or 6 years ago ripping my music to my PCs I had a fairly basic understanding of audio formats, and I ...
8
votes
2answers
17k views

How to fast convert mp4 to webm using ffmpeg?

Sorry to disturb you but I'm in a kind of a trouble. I have to convert 76 mp4 files to webm for the purpose of a website that uses HTML5 videos. I'm talking about 10 Gb of mp4 files... I know I can ...
7
votes
2answers
1k views

Advantages of mp3 to ogg

Is there any advantage in converting all mp3 to ogg, besides ogg being an open format? Any disadvantages? Is all metadata kept during conversion? Edited, because of @N.N. suggestion. Here are the ...
7
votes
1answer
3k views

How can I convert a .png file to .icns

What is the correct way of converting one or more .png files to .icns files?. I've installed icnsutils but I'm having a hard time figuring out how to work with png2icns.
7
votes
1answer
830 views

How can I combine multiple images into a single GIMP file with the command line?

How can I combine multiple JPEGs into a single, layered XCF via the command line? Using GIMP's graphical interface I can choose File ▸ Open as Layers..., but I don't see an analogous command-line ...
6
votes
4answers
11k 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
3k 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 ...
6
votes
3answers
862 views

Error converting thousands of documents with LibreOffice

I am trying to convert several thousand documents from LWP (Lotus Word Pro) to DOC. When the converting process gets to around 250 (To 229 in some cases, 248 in others, 245, etc.. It gets near 250) ...
6
votes
2answers
1k 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 ...
6
votes
1answer
323 views

How to convert .odt document to .org file?

Are there any tools to convert an OpenOffice.org (.odt) document to a .org file?
5
votes
4answers
3k views

Auto convert odt to pdf

I am creating a few documents in Libre office and I have to always send them as .pdf. but each and every time I forget to export it as pdf , So is there any way to auto convert the .odt document into ...
5
votes
3answers
2k 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 ...
5
votes
1answer
3k views

How to convert ALAC to FLAC?

I have some ALAC files (.m4a) that I want to convert to FLAC (.flac). How can I do this?
5
votes
1answer
151 views

What is the best way to convert or copy an VM image into an lvm?

I have a couple of VMs running on images instead of lvms. I am not concerned about downtime but just about convenience of the process.
4
votes
3answers
486 views

Please suggest an application to convert photos to video

I need to convert some photos to video with all frames with special effects. Video format can be mp4, 3gp, or mpeg4... Please suggest a good application which will convert fast.
4
votes
3answers
2k views

Uploading video to youtube in right format

I have a Sony CX115 and I have a little footage I'd like to put on youtube. I've downloaded Arista from the Ubuntu Software Center and then I've downloaded its Youtube HD plugin. I've converted my ...
4
votes
3answers
8k views

What program should I use to convert a CDA file to MP3?

I am about to receive a CDA audio file from someone who does not know anything about computers but uses Audio Cleanic for Windows. I would like to convert it into an MP3. What software do you ...
4
votes
1answer
5k 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 ...
4
votes
3answers
4k 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 ...
4
votes
2answers
3k views

Converting panasonic .MTS video into high quality mpeg videos?

I have been using WinFF tool to convert panasonic default .MTS videos into mpeg videos. However, I am not happy with the quality of the mpeg video output. Could some one tell me if there are any other ...
4
votes
2answers
758 views

Very slow conversion with avconv (libav) - Trusty Tahr 14.04?

Yesterday I installed the latest Kubuntu release 14.04. So I meet a little problems with the media conversions. The old FFmpeg is finally replaced with avconv which is in the libav-tools library. Till ...
4
votes
1answer
3k 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 ...
4
votes
2answers
719 views

Is there a quick way to convert camera raw files to DNG?

Before I switched from Windows to Ubuntu for my daily computing, I used Adobe's Photoshop Lightroom for processing photos from my DSLR. Adobe made it really straightforward to batch convert from ...
3
votes
2answers
1k views

How can I convert an AVI file to a Blackberry-compatible format?

I need a program to convert an AVI file to a format compatible with my Blackberry. On Windows, I've tried format factory and converted the .avi file to .3gp, but the output is of very bad quality.
3
votes
4answers
3k views

Handle Doc/Docx Templates on a headless server to produce PDFs preferably without using OpenOffice.org

On a production web server I have to produce letters based on a template I got in MS-Word binary format. I use PHP and for the search and replace task I found PHPWord, which can handle Docx files, so ...
3
votes
3answers
2k views

Text conversion, binary digits -> hex (or decimal)

I have a huge text file with digits representing an 8 bit value in binary. I want to convert these to hexadecimal (or decimal, doesn't really matter). That is, I have a text file containing e.g. 0 0 ...
3
votes
2answers
457 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 ...
3
votes
2answers
149 views

Convert multiple document files inside their current folders

I have a folder called X which inside has many folders and sub-folders. I want to search in all of the folders inside X and find a specific document type. For example xlsx and transform each file into ...
3
votes
2answers
3k views

Trying to convert ppt to pdf using libreoffice ---headless -convert- topdf with php script

When used below command on the command line it working file libreoffice --headless -convert-to pdf ".$sourse." -outdir outputolder/ but, if use in php script nothing happen. Can anybody provide ...
3
votes
1answer
677 views

What is the best tool for converting and reading video to be played on DVD players?

Last time I tried Brasero it was very slow compared to anything on windows. If there is also a way to speed it up that would be great.
3
votes
2answers
2k views

Convert old AVI files to a modern format

we have a collection of old home videos that were saved in AVI format a long time ago. I want to convert these files to a more modern format because the Totem Movie Player that comes with Ubuntu 10.4 ...
3
votes
3answers
6k views

How to convert a mp4 video to MPEG-1 Layer 1?

I need to convert a video to MPEG-1 Layer 1 to make some tests with the software I'm developing. How can I do this conversion?
3
votes
2answers
2k views

Abbyy fine reader like application for Ubuntu 13.04

I have a lot of images and what I want to do is to scan those images and get output in ms word file that can be edited later. For Windows, I have Abbyy fine reader. But I don't want to go back to ...
3
votes
1answer
761 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 ...
3
votes
1answer
2k 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 ...
3
votes
3answers
3k views

Tool to convert accented characters to HTML entities?

Is there a tool (command-line is fine) that can convert accented characters to HTML entities in Ubuntu? Preferably recursively and without also converting html/php tags. e.g. from: é to: é ...
3
votes
1answer
440 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 ...
2
votes
4answers
1k views

How to convert ogg to aac music format?

I want to convert a ogg file to aac. But I need to transfer all the data of the ogg file (i.e. album, year, cover,...) to the aac file using a shell comand. Thanks!