Pdf brightness editor




















Linker Linker Good answer, and one that works fine; but note that ImageMagick doesn't do the PDF interpretation on its own -- in the background it employs Ghostscript as its delegate doing some of the hard work On windows, downloading and installing 32 bit ghostscript got it working for me.

Antoine Antoine 49 2 2 bronze badges. This is a useful workaround though users should beware that it will likely make the size of the PDF much more hefty. I was able to salvage a barely readable 11 page scan but the file went from 6. I've voted this up sometime in the past so I believe this worked at some point, but now I can't figure out how to use it on macOS It does display PDF files, but seems to lack such staple PDF viewing abilities as selecting and copying text, and a continuous view.

It is available as an x64 windows prog. To change the contrast, brightness and gamma of a document you are viewing, click the Options gear on the toolbar on the upper right, and choose the Image Adjustment tab. It supports a wide variety of formats; and has a lot of ability to rotate the view as well. It has the ability to select and copy text, as well as do a continuous view.

It is available only as x86, but still works great under Win7 x To change the contrast, brightness and gamma of a document you are viewing, go to View Settings.

It also supports a rich variety of formats, even comic ones, can rotate pages, and has a rich set of navigation tabs. CodeLurker CodeLurker 2 2 silver badges 4 4 bronze badges. It did a great job even though running under the latest Win If you open it in Photoshop and resave as a PSD file you can or if you want to apply on all pages, do the following: Open the pdf in Preview. I don't want to sound negative, but he does state he would like to do it with a PDF reader ;- Photoshop is a quite expensive PDF reader!

I know Hope my answer will help him since he has Photoshop. I used to use Photoshop to try to fill out forms before I learned of other options, regardless, my experience with photoshop and pdf makes me fear ever doing that again. Thank tho. Richard June Richard June 8 8 silver badges 8 8 bronze badges. I changed contrast with PDFClerk. It has a lot of filters in there, when exporting PDF. Thanks but I should have mentioned this is for a Windows machine.

Ash Ash 9 1 1 bronze badge. You can use the graphics card or monitor settings to handle this. Mehper C. Palavuzlar Mehper C. Palavuzlar What's more, they don't require you to sign up, but you can still use its many functions. Therefore, you just need to visit the function page you like, upload files and process your PDF documents with a few clicks.

Whether you use this online PDF editor on your mobile or computer, we guarantee the privacy of your files as we don't backup, view or share them. All the uploaded files will be deleted permanently and instantly once you've finished using the provided tools. Even though you may have 15 days to access your own files when you log in, you can delete them anytime.

Hiding these settings away in a separate dialog makes them less convenient to access, and could be a problem if you want to tweak your settings from page to page. Despite that, just having any adjustment options at all is a major improvement on most PDF viewers, and -- if this is a regular issue for you -- probably justifies the download all on its own.

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