How do you enlarge an image without sacrificing quality?

I had a logo made for me and I want to make it into a banner so need to enlarge it. I have tried a free online resizing tool where you simply upload the image and specify the size but the image then becomes pixelated.

I'm sure you can do this on programs such as photoshop but I do not own this and was wondering if anybody could do it for me or failing that point me in the right direction as to how to do it without losing quality? .png file.

Thanks

9 Comments

You can't.

Unless it's a vector image (which .png is not, it's a raster image) you can't enlarge it without sacrificing clarity. The only thing you can do is to ask the person who made you the logo for a bigger version (because they may have the original file and could enlarge it, presuming that they made it in Adobe Illustrator as a vector, and not just in Photoshop as a raster image).

Banned

if you stretch a pixel it degrades in quality /thread

Original Poster

its a simple design I could replicate myself with the right software

Just download this software and have a go: gimp.org/

Try this website to make it into a vector image:
vectormagic.com/home

Magnifying glass............simples.

scndmg

Unless it's a vector image (which .png is not, it's a raster image) you … Unless it's a vector image (which .png is not, it's a raster image) you can't enlarge it without sacrificing clarity. The only thing you can do is to ask the person who made you the logo for a bigger version (because they may have the original file and could enlarge it, presuming that they made it in Adobe Illustrator as a vector, and not just in Photoshop as a raster image).



I'm just being a bit picky I know, but it could be a fireworks .png file which can have embedded vector info...

If you've not found anyone else to help out, PM me with your contact details and I'll take a look. In the worst scenario (if it is nice and simple as you say), you can use the website above to convert it to a vector drawing for future...

Having said all of that, who's printing out your banner? They should have some software which could help out?

If you are interested, the difference between the 2 types of images is explained pretty simply here:-

sketchpad.net/bas…htm

Banned

post the logo here and I will give it a go.
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