Questions regarding conversion between various file formats.

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58
votes
7answers
61k 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.
26
votes
8answers
81k 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 ...
19
votes
2answers
19k 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 ...
18
votes
5answers
10k views

pdf to mobi convertor

is there any application in natty which can convert a pdf file into a mobi file?
17
votes
5answers
34k 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 ...
16
votes
4answers
31k 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.
14
votes
5answers
8k 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 ...
13
votes
7answers
2k 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 ...
13
votes
3answers
13k 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: ...
12
votes
5answers
16k 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 ...
12
votes
4answers
8k 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?
11
votes
9answers
14k 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 ...
11
votes
3answers
3k 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. ...
10
votes
4answers
17k 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 ...
10
votes
2answers
26k 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 ...
8
votes
8answers
23k 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
2answers
4k 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
1answer
4k 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
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
2k 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
28k 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 ...
6
votes
1answer
14k 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
2k 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 ...
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
1k 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
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 ...
6
votes
1answer
357 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
2answers
73k 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 ...
5
votes
4answers
4k 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
1answer
5k 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
2answers
8k 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 ...
5
votes
3answers
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 ...
5
votes
1answer
3k 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 ...
5
votes
2answers
4k 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 ...
5
votes
1answer
153 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.
5
votes
1answer
4k 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
3answers
556 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
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 ...
4
votes
3answers
3k 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
10k 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
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 ...
4
votes
2answers
1k 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
4answers
5k 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
2answers
2k 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
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
754 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
3answers
1k 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 ...
3
votes
3answers
9k 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
384 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
4k 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 ...