3
votes
1answer
355 views

How to convert a PowerPoint ppt file into HTML files?

I have to find a free, gratis and command line solution to convert primary Microsoft PowerPoint presentations into HTML files (1 html per foil) on linux (Debian, OpenSuse). It would be nice if the ...
11
votes
4answers
4k views

How can I convert a PNG to a PDF in high quality so it's not blurry or fuzzy?

There are a lot of questions out there about how to convert a PDF file to a PNG image, but I'm looking to take a nice sharp PNG file and just basically wrap it or embed it in a PDF file without having ...
4
votes
1answer
4k views

Encode with ffmpeg using avi to mp4

What command lines to use to convert from avi to mp4, but without destroying the framesize and making the file small as the original size or a little bit bigger, and same thing with mp4 to avi? ...
1
vote
0answers
197 views

ffmpeg: error while running with libx264

Main code: ffmpeg -i 2269801.avi -threads 0 -vcodec libx264 -b 900k -acodec libfaac -ar 44100 -ab 96k -ac 2 earthgirlsareeasy1.mp4 [libx264 @ 0x16cdde10]broken ffmpeg default settings detected ...
2
votes
0answers
483 views

Using Image Magick Convert to Change Channel Depth?

I want to change an image depth of bitmap for testing purposes. Right now I am trying to get a 2 bit palette image, and a 4444 Hicolor image. I have a true color bitmap. I used the below command ...
13
votes
8answers
11k views

Converting multiple image files from JPEG to PDF format

I want to convert some files from jpeg to pdf. I am using following command. $ convert image1.jpg image1.pdf But I have 100 images. How should I convert all of them to corresponding pdfs? I ...
4
votes
3answers
11k views

How can I embed subtitles into videos with ffmpeg?

I'm told it's possible to embed subtitles (.srt) into video files (.avi) using ffmpeg, but I can't find any mention of it in the man page. Is this possible? What command do I use?
3
votes
4answers
1k views

How to convert to HTML code?

Are there any scripts that can convert between text (e.g. <hi>) and the html entities version (&lt;hi&gt;) like this website does? Or at least a PHP file?
15
votes
5answers
8k views

Split pages in pdf

I have a scanned pdf file which has scanned two pages on one virtual page (page in pdf file). The resolution is with good quality. The problem is I have to zoom when reading and drag from left to the ...
5
votes
4answers
6k views

pdf to jpg without quality loss; gscan2pdf

When I convert a pdf file to bunch of jpg files using convert -quality 100 file.pdf page_%04d.jpg I have appreciable quality loss. However if I do the following, there is no (noticeable) quality ...
1
vote
2answers
2k views

Converting text into ASCII/ISO-8859-1

I'm looking for some tool that can convert text, ideally from UTF-8 (but ISO-8859-2 and WINDOWS-1250 would be fine) into ASCII/ISO-8859-1? I have seen some online transliteration tools but I need ...