Take the 2-minute tour ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

I have an jpeg file of 300 dpi. I need to reduce it to 200dpi. How can I do that?

Do I need any specific application or it can be done using Picasa/paint/MS picture manager, if yes how? Thanks

share|improve this question

4 Answers 4

Use Paint.NET

http://www.dotpdn.com/downloads/pdn.html

Go to Image > Resize > Change its resolution (dpi)

As I said the resolution in the Paint.NET is the DPI (pixel/inch)

enter image description here

share|improve this answer
    
Resolution and DPI are different things. –  AthomSfere Jun 14 '13 at 13:46
2  
I just re explained why I said "Resolution", you can see it on the screenshot (pixel/inch) –  eXshade Jun 14 '13 at 13:58
1  
Gave +1 after the update, as it is an important distinction. –  AthomSfere Jun 14 '13 at 15:08
    
Paint.NET has the right terminology. DPI is only for printing, not for display on monitors. –  Karan Jun 14 '13 at 23:09
    
I voted this answer but cannot take my upvote away. I think the best way of doing is this is software independent online. See my answer below. –  Masi Jul 23 at 12:45

And I would take this one free tool: http://www.irfanview.com

To change DPI for the currently loaded image, click the "i" icon ("i" for information) on the IrfanView toolbar. Change the DPI, click OK, and save the image.

share|improve this answer

I suggest using GIMP; it is a free image-editing solution, and it allows you to change the resolution, in pixels per inch, in both the x and y dimensions. I believe that this program can accomplish what you are looking for.

share|improve this answer
2  
+1 An extraordinarily powerful program that I suspect would also make tea and polish my shoes (if I knew enough of its features!) Nobody should be without it. –  pnuts Jun 14 '13 at 14:01

I think the best way of doing is this is software independent and without installation processes.

  1. Google online DPI converter
  2. Click First search result
  3. Select file to upload
  4. Change the value of DPI only to 200
  5. Done!
share|improve this answer

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.