Questions tagged [conversion]

Questions regarding conversion between various file formats.

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create a disk image and convert boot to pxe compatible server

in my pc I have Oracle Virtualbox with an instance of a virtual machine with ubuntu 22.04 (installed) as guest and windows 10 as host. Since I want use the network boot feature (PXE) from my pc I want ...
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410 views

Converting multiple WebMs to MP4

So, I've been researching how to convert all WebM videos to MP4 in a directory. I've looked for about half an hour for results, but unfortunately, Google isn't being my best friend. I found a simple ...
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2 votes
1 answer
284 views

How to recursively convert all JPGs into one PDF in each folder using img2pdf?

I have three levels of folders like main, sub-1 and sub-2. my main folder has lot of sub-1 folders and sub-1 has lot of sub-2 folder with JPG images inside. I copy JPG files from sub-2 to its parent ...
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  • 35
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What is the easiest way to convert files to an MP4? [duplicate]

I want to convert a MOV file to MP4 file. I have found many ways on YouTube, but in a fix which one will take less time.
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1 vote
2 answers
883 views

How can I convert an .mkv file to .mp4 and keep the subtitles?

I've been trying to convert an .mkv file into .mp4. With VLC the subtitles got lost. Then I've been trying ffmpeg: ffmpeg -i video.mkv -codec copy video.mp4 The conversion has been very fast, the ...
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  • 171
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1 answer
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Convert Apple II 'action' format to PDF

I just downloaded my Social Security Benefit letter for year 2020 in preparation for filing my 2020 US Income Tax. In years past, this document has been in PDF format. And the SS website claims that ...
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2 votes
2 answers
513 views

Converting directory full of h264 to images

first time here. Please be gentle. let me know what I missed out on and I will correct it. my question is similar to this. So, I am hoping to get an answer for my specific query too. How can I convert ...
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Bulk Quality Conversion of Images (ie Compression)

├── ~/ │ ├── content/ │ │ ├── image01.jpg │ │ ├── image02.png │ │ ├── image03.bmp │ │ ├── text-file.txt │ │ ├── video.mp4 │ └── ... └── ... Let's say I want to compress all ...
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2 votes
1 answer
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How to check if an image has 2 bytes per pixel and how to convert it to an image with 1 byte per pixel?

I have thermal images from FLIR camera that has 2 bytes per pixel. I am not sure how I could check in Ubuntu if these images have 2 bytes per pixel or not. Also, how can I convert a 2 byte per pixel ...
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3 votes
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converting lots of TIFF images into a lossless video

I have a lot of (20,000) TIFF images. How can I create a lossless video out of them in one of common video formats (e.g. mp4, AVI) using FFMPEG or any other tools? I am not sure what was the framerate ...
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How to convert an ATS video with no compression to a mp4 video?

I am using ResearchIR software in Windows 10 and I wonder if there is a tool or command in Ubuntu 20.04 which can convert the output of a thermal camera capture that is .ats with no compression, ...
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4 votes
4 answers
12k views

How to convert an iso file to img format in linux?

I had downloaded a ".iso" image of the ubuntu website and for some official work i need to convert this to ".img" format. i see a lot of windows software's available but how do i do this conversion in ...
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2 votes
1 answer
884 views

Packet is too small ffmpeg converting wav to mp3

I continue to get this error when trying to convert a wav file to mp3 using ffmpeg. This is the command i'm running ffmpeg -i 11_22_40AM.wav -acodec mp3 11_22_40AM.mp3 And this is the error [...
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1 vote
1 answer
2k views

How to convert audio and change its quality bitrate?

I want to convert mp3/wav audio file into wav format with a specific bitrate quality of 16bit or any if possible. How can I convert this file as well as change its quality bitrate in ubuntu linux 18....
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1 answer
76 views

how to convert time from 24H to 12H then subtract the two times

I have a file that collects time stamps of HH:MM need to add one hour to the 1st column and convert the both columns from 24H to 12H then subtract them. Output in the file I collected the times from:...
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2 votes
1 answer
717 views

How to recursively and automatically convert all TIFs to an aggregated PDF per directory?

I'm attempting to use GraphicsMagick in Ubuntu to convert hundreds of directories that contain multiple TIF files into one multi-page PDF file per directory. The folder depth is consistent with this ...
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2 votes
1 answer
103 views

Any way to open / convert Canvas drawing files on Ubuntu?

I have a lot of illustrations from a prior life done in the Windows software Canvas. The files have .cvs extensions. I'd like to convert them to something actually useful in Ubuntu. Is there any ...
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6 votes
2 answers
5k views

Changing (reducing) the quality of an ogg file?

I have an .ogg file (containing speech) with 192kbps quality that i'd like to reduce to 32kbps (to save space) How can i do this? So far i've tried this: ffmpeg -i filename.ogg -ab 32k -f ogg new-...
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  • 253
1 vote
0 answers
1k views

Convert .h264 to .mp4, with timings

I am recording from a Raspberry Pi Camera to an .h264 stream. I have each frame as well as its presentation timestamp. How can I convert this to an .mp4 file? Specifically I need to be able to provide ...
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  • 193
1 vote
1 answer
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Availability of pdf2htmlex package in Ubuntu 18.04

pdf2htmlex is available in Ubuntu 16.04 LTS, but it is removed in 18.04. Will it return to official repository? If yes, then when?
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4 votes
1 answer
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muxing overhead: unknown Conversion failed! ffmpeg

Why do I get this error and how to fix it? [jalal@goku imageSequence]$ ffmpeg -i video_0.avi -qscale:v 1 keyframes/vid0/img_%%06d.jpg ffmpeg version 2.6.8 Copyright (c) 2000-2016 the FFmpeg ...
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2 answers
598 views

Edit Read Only PDF Form

I wish to change a PDF doc which I can read only. I need to add details to this document. Please, in SIMPLE words, how do I do this? I have very little expertise!! Thank you
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4 votes
0 answers
1k views

Cannot split .ape file with flacon

I have CDImage.ape and CDImage.cue files that I want to convert to separate FLAC files using flacon. Converting first with ffmpeg the .ape file to .flac and then splitting it with flacon and the ...
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1 vote
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Does anyone know of a script that can convert a wav to a Grub beep script?

Does anyone know where a script would be that can convert a wav file into a Grub beep code? It'd be a great help! Thanks!
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1 answer
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How can I convert .BOK file to .PDF file in Ubuntu?

How can I convert .BOK file to .PDF file? I searched enough but I only found solutions that work on Windows, but none for Ubuntu. Does anyone have any suggestion on how to do this?
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5 votes
1 answer
5k views

How to convert an excel file into a calc file from the command line ?

I know you can use libreoffice as a command line tool and one parameter to convert formats is --convert-to, I do not know of other programs. However, I do not know how to make it work, what do I have ...
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  • 1,251
2 votes
2 answers
2k views

Looking for way to transcribe audio files into text

I take a lot of memos by recoding my voice using my Android smartphone. The recordings can be a quick note, or a long dictation, so they vary a lot in size. Depending on the app I use, I the audio is ...
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  • 6,439
4 votes
1 answer
8k 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 ...
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  • 125
-1 votes
1 answer
3k 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 (...
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1 vote
1 answer
630 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 ...
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1 vote
2 answers
4k 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 ...
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  • 441
0 votes
2 answers
223 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 ...
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  • 103
13 votes
3 answers
59k 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 ...
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0 votes
1 answer
1k 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 ...
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1 vote
2 answers
1k 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 ...
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3 votes
2 answers
3k 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?
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0 votes
1 answer
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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.....
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5 votes
5 answers
9k 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!
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3 votes
0 answers
798 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 ...
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  • 157
8 votes
5 answers
14k 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?
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  • 1,271
1 vote
1 answer
2k 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 /Users/NAMEZ/...
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  • 11
-1 votes
3 answers
5k 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 ...
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4 votes
1 answer
675 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. ...
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0 votes
1 answer
319 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 ...
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1 vote
1 answer
404 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.
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1 vote
0 answers
1k 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 ...
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1 vote
1 answer
4k 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 ...
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  • 1,279
13 votes
3 answers
58k 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 ...
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0 votes
1 answer
13k views

convert.im6: Unable to open image `xxx': Permission denied @ error/blob.c/OpenBlob/2638

I just tried converting several different images into a PDF file using the 'convert' command in a terminal, but when I did so, it returned: convert.im6: Unable to open image 'xxx.pdf': Permission ...
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2 votes
1 answer
3k views

Converting Pdf in Taml language to epub using calibre

I have tried to convert a pdf in tamil language using calibre. The conversion took place but the fonts are not in tamil. Is it possible to convert pdf in Tamil language to convert to epub? or Is there ...
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