Create Large Wall Posters

Martin Brinkmann
Oct 30, 2008
Updated • Dec 7, 2012

We have covered the online service Rasterbator in the past that converted an image into a rasterized wall poster. Block Posters is a similar service with the difference that the images are not rasterized which makes the results even more impressive.

A large wall poster is created in three steps. An image is uploaded to the website from the user's computer in the first one. Step 2 is the actual creation process. The user picks the size in Din A4 sheets that he wants the poster to be in. Images with larger resolutions work better than smaller ones obviously. The default setting is a width of 4 pages which can be changed to another figure between 1 which would be the original size of the image to 10. Choosing a width of ten would make the wall poster 7 feet wide and 5.6 feet high. The default width of 4 would still create a 2.8 feet wide and 2.2 feet high wall poster.

Once the width has been selected the user can change the view from portrait to landscape, and the format from A4 to US Letter if he likes. A click on continue will create the wall poster on the server and provide a download in PDF format.

The PDF can be printed on a normal printer afterwards and it is only a matter of finding the right place and attaching the poster to that place afterwards.

The Gallery contains some amazing pictures of wall posters that have been created using the Block Posters service.

Update: The service is still available on the Internet, and working as advertised. The app does not seem to have been updated in the meantime though, for instance with support for new image formats. The gallery too is still listing the four pages that it listed back in 2008 when we reviewed the service for the first time. Still, it is still working fine, and that's what counts.


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  1. greasy said on February 12, 2011 at 6:26 pm

    is there a way i can save to a memory card to print from another location? say like walmart cvs or similar to much ink involved to use my home printer

  2. Diablo1123 said on November 1, 2008 at 12:13 am

    Well I tried it and liked it, but I need a better printer.

    I’ll try Picasa too, thanks Abhi.

  3. Abhi said on October 31, 2008 at 6:03 pm

    Picasa 2.x has a similar feature. Go to Create -> Make Poster.

    There choose how big an image do you want. You will need to calculate the size of the image and percentage value Picasa wants (a pain!). Does Picasa 3.x improve upon this feature?

    Picasa will then create images to print. Print all them to make a poster.

    Advantage with Picasa is that there is no limit on the file size. Block poster limits file size to 1Mb.

  4. Noah said on October 30, 2008 at 11:56 pm

    Not rasterized? I don’t quite understand how that works. I don’t know a lot about image manipulation, but isn’t a rasterized image any image that is basically bitmap-style? And isn’t that pretty much everything?


  5. Craig said on October 30, 2008 at 7:57 pm

    I’ve used this site many times and had a lot of fun with it. However, there is a problem with the PDFs that I can’t seem to fix. The first, third, fifth (i.e. every other page) are aligned correctly with each other. The second, fourth, sixth etc. are also correctly aligned with each other, BUT NOT ALIGNED with the other set of pages.

    I’ve not been able to figure out how to fix this. If anyone knows, I’d sure appreciate hearing about it!

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