SYSTEM DETAILS
OS Name Microsoft Windows 10 Home
Version 10.0.19042 Build 19042
OS Manufacturer Microsoft Corporation
System Manufacturer HP
System Model OMEN by HP Laptop 15-dc0xxx
System Type x64-based PC
Processor Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz, 2208 Mhz, 6 Core(s), 12 Logical Processor(s)

Illustrator 25.2.3 (64-bit)
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Steps to reproduce (not consistently happening though?):
- Make artboard in Illustrator 4096x4096 (or other power of 2 canvas)
- Make something on it
- Export for Screens, export artboard, png filetype
- BUG: Exported .png has the dimensions 4097x4096 in Properties->Details
- Import to Unity
- Upgrade MaxSize compression to 4096
- Inspector now says the file can't be compressed because it isn't in the right format (it is now 4096x4095)

Expected result:
- File compresses correctly and stays as 4096x4096.
- The expected result seems to work fine if exporting from Illustrator with "Save for Web"

Version 25.2.3 sobre OSX 10.14.6
Al exportar para pantallas, a una formato imagen JPG o PNG no respeta la medida de las mesas de trabajo. La mesa de trabajo miden 670x378px y el archivo exportado 671x378px. Las medidas del documento son pixeles.
No hay forma de exportar correctamente y no tener que reajustar las medidas de los archivos?

Fix it please, this was a problem old versions had and I assumed the latest version would work fine...

On a Mac I'm seeing a similar issue. Creating an art board that is 167x167 and Illustrator is exporting out 168x168 PNG.

PDF export size is perfect.

Playing fractional units becomes a little more bizarre with the width of 167 working if I'm using 166.1 but using the same value for width still results in the width being 168. Something totally wrong with PNG Export of an artboard.

Tried pixel perfect and adjusting sizes to pixel boundaries.

When I export a black square with Asset Export to a png file. the file has a white border. With previous versions of Illustrator this didn't happen. Now I have to check and change every file in photoshop.

When I save my digital ads, if I do a batch export (File > Export > Export for Screens), some of the files end up getting an extra pixel. For example a 120x600 px jpeg becomes 121x600 px. Then I have to fix each file one by one in photoshop, which defeats the purpose.
(ps: I work on a macbook pro with big sur OS and illustrator desktop latest version 25.1)

I have a file with several different sized artboards for digital ad creation. When I go to export the files to either PNG or JPEG, two things happen:

1) Even with the export resolution set at 72ppi, all the files export at 71ppi (according to Bridge).

2) Some of the files have an extra pixel added to the width, but some don't. It seems to be random. For example, the 1024x768 exports fine, but the inverse dimension exports at 769x1024.

I have tried the "Export for Screens" option and got the same result.

Very odd.

AS of Jan. 26, 2021, this is not yet fixed.

Hi Team

When you export artboards as Jpg, it gets exported with 1 Pixel short.
Can it be fixed.

How does this not have more people voting for it? There are entire forum posts discussing this issue on the adobe support community website. https://community.adobe.com/t5/illustrator/illustrator-cc-export-for-screens-1-pixel-off-in-size/td-p/10001913?page=1

Why does this happen???

This bug is still present in Illustrator 25, CC 2021. So it is incorrect to mark it as resolved.

Can you please make it not round up when the artboard pixel position is set in floats? This is not a feature, but a serious bug! This has made my life **** for weeks as I have tried adding bleeds to all my images due to white and colored edges being tacked on at export, on both Mac and iPad versions of Illustrator! People who don't know about this will be driven mad by all these extra pixels and colored edges being added onto their exports, especially when, like me you have 32 layouts under deadline and all of them have these stupid extra pixels being added on seemingly at random. And if you miss them then clients catch them and complain that the file sizes are wrong. It is absolutely unacceptable. This must be fixed ASAP. Illustrator should discard the added pixel rather than adding it on. All exports should perfectly match the artboard size, regardless of placement on the canvas.

This appears to be a longstanding bug that Adobe has failed to address for years. It is also present in the iPad version of Illustrator.

See here, from 2018:
https://logosbynick.com/illustrator-exports-1-pixel-more/

Doesn't seem to be affected with or without bleed, both export wrong size

If document setting is set to pixels instead of inches, the export is off by 1 pixel

I have noticed this problem on CC2020 as well as 2021 version exporting files the wrong size.. typically off .003 - .007 (inch) - Example a 1x1 in square with a .05 in bleed all sides "export as" with artboards exports as 1.1 x 1.103 in. A 3.5x1.25 in exports as 3.603x1.603in

Attached is a simple sample file.. few different sized artboards

When exporting I've confirmed JPG, PNG, TIF (and perhaps others) all export the wrong size when a bleed is set in document settings.

I've tried various bleed settings and does not seem to change the sizes still are being exported wrong sizes. This problem didn't exist in the 2019 version thus some update in 2020 brought this on.

Obviously this must be exhausing for Adobe dev team... :(

I am trying to do some titles for a video 1920 x 1080 resolution, and when "export as" is used to rasterise the the title panels, they come out at 1921 x 1081 which is causing many problems down stream of the files I created.

Ai V24.3
Mac Os V10.14

AsI'm "Exporting for Screens" few dartboards at once I have 300 by 600 pix one. It is EXACTLY this size as dartboard, but the JPG comes az 300 by 601 pix.