When I export an ai file in jpg I noticed that the exported file has 1 pixel more in both dimensions.
Of course I could do something wrong, but I think it's a bug in the program.

In illustrator when "exporting as png" files are 1px too large. Temporary solution found was “save for web” as png.

Related request:
https://illustrator.uservoice.com/forums/333657/suggestions/44429721
Probably won’t be necessary when main problem gets fixed.

Making X and Y values whole numbers doesn't work for me. I still regularly get extra pixels (screenshot attached). There's no reason in my case why Illustrator should be adding that extra pixel.

Illustrator frequently exports artboards with extra pixels.

I always ensure the artboards are positioned on whole pixel values (check the screenshot), yet this doesn't seem to help.

Note that this happens when you use the Export For Screens option, but not if you use the Legacy save for web.

Hi. I have a different working solution ✔ Picture atach.

"Save for Web" does not not have this issue.

Exporting PNG files with the "Export for screens" adds additional pixel in both width and height values. I don't see a logical explanation, it shouldn't be the bleed option.

It might relate to a known problem when artboards’ coordinates have fractional values.
Try to position them exactly on grid, with integer coordinates and check if the problem stays.

When exporting multiple artboards illustrator seems to randomly add .003 inches to any random edge of the file. Notice the white edge on the top and left hand side of the image. This doesn't happen on single artboards, only when a document has multiple artboards.

Windows 10
Adobe Illustrator (Desktop) 25.2.3

When saving banner ads in illustrator individually (Save for Web Legacy) the files come out the right size. When batch exporting with 'Export for Screens' some of my ads end up with 1 extra pixel on width. Normally nobody would notice this, but my ads can't be used when they have just 1 extra pixel. So for now, I have to manually export each one. Please fix this bug, as it costs me extra time now.

Video here: https://youtu.be/n3sM9o1OK4U

Kaja, make sure that your artboard’s coordinates (X, Y) are integer.

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.