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Install imagemagick by clicking here or by running: sudo apt install imagemagick. Using a terminal where the PDF is located: For the full document: convert -density 150 input.pdf -quality 90 output.png. For a single page: convert -density 150 input.pdf[666] -quality 90 output.png. Whereby:
So as an alternative you can run the following commands in a terminal while being in the folder where the jpg files are. ls *.jpg | xargs -I% img2pdf -o %.pdf %. This converts each image to a single page pdf, one by one, without overloading the system. Then: pdfunite *.pdf output.pdf && rm *.jpg.pdf.
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Description: 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.
When converting to jpg, you can use the -quality option. The "best" quality would be -quality 100. There is a much simpler way to split multipage pdfs into a jpg: convert -quality 100 -density 600x600 multipage.pdf single%d.jpg. The -density option defines the quality the pdf is rendered before the convert > here 600dpi.
3. Use print assistant from Gwenview (KDE image viewer). Open Gwenview, then Plugins -> Images -> Print assistant. Add all the images that you want to print, reorder them as you like, choose number of images per page, other print options, etc. and print to PDF directly or with CUPS-PDF.
On Ubuntu 20.04 Focal Fossa: $ sudo apt install heif-gdk-pixbuf heif-thumbnailer gimagereader gpicview then find an HEIC file in the file manager, right click, select Properties then Open With and select Image Viewer (if there's two of them, select the one with the more colourful icon) and then select Set as default (or Add if that's the only option.)
231. 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.
You cannot simply rename any of the files to convert them, except by using an app which does it for you. For example, saving a gif file as jpeg in something like Gimp will convert it; renaming it on a command line will not. – Marty Fried. Jul 22, 2012 at 5:38. I am renaming from the command line, and yes, it does work.
sudo apt install imagemagick. then you can do: convert image1.jpg image2.png text.txt PDFfile.pdf outputFileName.pdf. or as another example: convert *.jpg outputJpgFiles.pdf. It worked for me, but the problem is it converts the text.txt file into an image, so you can't highlight the text in the resulting pdf. Share.