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resizing a low-res file

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Hi. I want to put a picture onto a business card. However, the file I have to work with is only 600x336, whereas they require 1062x615. Uploading the file unedited produces a very corroded result. When attempting to resize (and increasing the dpi to the requisite 300), the result is too blurry. The sharpen tool is no use. I realise I may have to fix it manually, but I would prefer not to do that if possible as I am on a limited schedule and I am rather inexperienced. Is there a better way? My source image is here. Thanks very much in advance.

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If you have that font, then replacing the text at full size would be best.

It looks like Mein Schatz font.


There's no easy/automated way to resize upwards and get a good result.

If there is any possibility of accessing

a pre-existing higher resolution file, that's best.


If you are going to fix it manually, open Paint.NET and set the canvas size to 2124x1230.

Image > Canvas Size

You can resize down to 1062x615 after you have finished editing.

If you have a fast PC with plenty of RAM you may want to start with a 4248x2460 canvas.

It's much easier editing to have more pixels to work with.


Import your starting image.

Layers > Import from File...

The image will import into the upper-left corner of the canvas.

It will be selected and the Move Selected Pixels tool will be active.

In the toolbar, change the Quality from Smooth to Pixelated.

To avoid blurriness when upsizing, now apply BoltBait's Transparency plugin effect at max Opacity.


Next, use the mouse to drag the bottom-right adjustment node of the selection

to the bottom-right corner of the canvas.

This will enlarge the image. It will have jagged edges but won't be blurry.


Because the green is a gradient, it's probably better to work on fixing this as an all-black image.

That way there won't be any distractions from color match disparities.

The repaired all-black image can be used as an Alpha Mask and applied to a green gradient layer.

One way to turn it all-black is with --- Adjustments > Brightness/Contrast.

Set Brightness to -100, Contrast to 100.

Edited by Sarkut
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  • 3 years later...

I am an amateur Photographer. I enjoy
my work and love to deliver the best. I always love to learn new things. I have
faced problems recently several times with low resolution images. I need to
make posters for my clients but sometimes the provided pictures from my clients
are low resolution images. But thanks to God I found solution for this problem.
I goggled with the help one of my friends who is also a new graphics designer and
found software which allows accurate, high quality and realistic enlargements
at any zoom factor. There are many useful photos resizing software in the
market. Like Zoner Photo Studio, Photo Pos Pro, PhotoScape, Reshade. But among
of them I found Reshade is the best what I think. Easy to use automatic
settings make Reshade the perfect choice for beginners. Reshade gives controls over
professional users. Anybody can solve this type of low image resolution problem
solution from Photo enlargement software. Hope this will be helpful. Thanks.


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This is an old post (it has been dead for 3 years!). Please read the forum rules. Thanks!

No, Paint.NET is not spyware...but, installing it is an IQ test. ~BoltBait

Blend modes are like the filling in your sandwich. It's the filling that can change your experience of the sandwich. ~Ego Eram Reputo

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