WebJul 3, 2015 · With the 2 free tools above you could convert all the pages to a sequence of images with something like: convert -density 600 foo.pdf foo-%02d.jpg. pick a typical page and use gimp to discover what changes such as contrast, sharpness, etc., are needed to improve the print quality, (make sure that you only do things that apply to the whole image ... WebNo special skills are required to apply sharpen filter in image, Drop image in the tool, then set the sharpen percentage and click sharpen image to process. If the image attained …
GIMP - “Smart” Sharpening
Apr 10, 2024 · WebOct 17, 2024 · 1. Extract the text from a PDF with the OCR algorithm and make it darker. 2. Make the background of the PDF file clear to darken a PDF easily. 3. Convert PDF files to Word, Excel, PowerPoint, and other file … how many liters per cubic meter
asp.net - iTextSharp create PDF with stamper - Stack Overflow
WebNov 25, 2024 · Using PDF technology, it is simple to insert an image into the file you are creating using the application's built-in tools. Foxit PhantomPDF Business offers a robust set of tools to edit these images in the application itself, unlike many word processing software packages and text editors. WebOct 17, 2024 · Step 1: Instead of changing the background color of a PDF, you might need to make the black text of a PDF darker for printing. Go to the File menu and choose the Open … WebOnline PDF optimizer/compressor. This page lets you optimize and compress PDF files to decrease file size, e.g. when you wish to save bandwidth or fit the file within e-mail attachment file size limits. With this tool, You can upload and optimize multiple files at the same time (batch processing). PDF optimizer will not change the resolution of ... how many liters of water to drink per day