Convert a directory of JPEG files to a single PDF document (jpeg is Apple format - jpeg and jpg are both NOT the same !) jpg-file would need a small white or black 'passepartout' (=frame) b) With Android and app "photocompress" I compress the jpg files to size under 300 KBytes each c) then back to Desktop of Ubuntu you can edit these files with Libre-Office and create a pdf-map with them
imagemagick - convert images to pdf - Ask Ubuntu magick "* {png,jpeg}" -quality 100 outfile pdf Original answer: Use convert program (it is an executable installed as part of Imagemagick suite of tools): convert "* {png,jpeg}" -quality 100 outfile pdf In general case you can combine more files into one pdf file with including them inside {} and separate them with a single comma
convert jpg to pdf - Ask Ubuntu sudo apt-get install imagemagick then you use somethin like this with the files in WORKINGDIRECTORY (cd path to workingdirectory )
What software can I use to convert images to other formats? Batch image converter and resizer You can convert an unlimited number of images and or create thumbnails to any of the most popular formats: DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG, Postscript, SVG, and TIFF Thanks to the Magick++ image libraries it supports more than 100 image formats Screenshots:
How to convert PDF to image? - Ask Ubuntu To get a single page from gm convert, add [N] (with N the page number starting at 0) to the PDF name, ie gm convert foo pdf[11] out png to get the 12th page from the PDF For pdftoppm use -f N -singlefile, where N is the page number starting at 1, ie pdftoppm -f 12 -singlefile foo pdf out for the same result
Batch convert an entire folder of pdf files to jpg or png using . . . If you wish to separate the converted jpg files from the original pdf files, please run the following command in the terminal after finishing step # 2 above to create a new directory called jpg_files within your current directory and move all jpg files into it:
How can I reduce the file size of a scanned PDF file? If you have a pdf with scanned images, you can use convert (ImageMagick) to create a pdf with jpeg compression (You can use this method on any pdf, but you'll loose all text informations) For example: convert -density 200x200 -quality 60 -compress jpeg input pdf output pdf Adjust the parameters to your needs
How can I convert an ODT file to a PDF? - Ask Ubuntu Since here the wanted output format is PDF, we have another choice of different paths, provided by what Pandoc is calling a pdf-engine Here is the list of currently available PDF engines (valid for Pandoc v2 7 2 and later -- previous versions may support only a smaller list):
Which apps support to open and convert JPEG XL (. jxl) pictures? ExifTool – Official JPEG XL support added in version 12 25 darktable since version 4 2 - Open source photography workflow application and raw developer GIMP – With 2 10 32 the JPEG XL file format support was backported from the 2 99 8 development release, so far only with import ability ( unofficial PPA for Ubuntu 21 10+ , sudo apt install libjxl-gimp-plugin needed to get JPEG XL support )
Any app on Ubuntu to open and or convert HEIF pictures (. HEIC, High . . . tifig is described as "a fast HEIF image converter aimed at thumbnailing" However, it must currently be compiled from source Nokia HEIF Info and Source Code However, Apple's implementation differs somewhat Windows 10 Build 17623 includes support for HEIF in the Photos app