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Fix effects that won't render in Illustrator
Last updated on
Oct 22, 2026
Learn how to resolve effects that don't render in the Adobe Illustrator by adjusting raster effects resolution, object size, memory, or scratch disk settings.
When you apply vector or raster effects to selected objects in Illustrator, the effects may not appear on the canvas. This can happen when raster effects resolution is high, objects are too large, or memory or disk space is insufficient.
Raster effects resolution is too high
Reduce the document raster effects resolution and test the effect.
Reduce the value in the Resolution options. Start with Screen (72 ppi) to test the effect.
Select OK, then reapply the effect.
If the effect renders successfully, increase the resolution as needed. If the issue persists, continue with the next remedy.
The object is too large to render the effect
Reduce the dimensions of the object and apply the effect again.
Select the object with the Selection tool (V).
Open the Transform panel by selecting Window > Transform, and check the object dimensions.
Use the Scale tool (S) or enter smaller dimensions in the Transform panel to reduce the object size by 50% or more.
Reapply the effect. If it renders, gradually increase the object size to find a workable size.
The source article notes that objects larger than 10,000 pixels in either dimension commonly trigger rendering failures. Scale the final artwork only after the effects work as expected.
Insufficient memory prevents effect calculations
Free system memory and, if needed, increase virtual memory.
Apply effects to smaller selections or individual objects instead of multiple objects at once.
Close other applications to free system memory.
Save your work and restart Illustrator to clear temporary memory usage.
On Windows, the source article gives this path for virtual memory settings: System Properties > Advanced > Performance Settings > Advanced > Virtual Memory. On macOS, the source article recommends keeping at least 20 GB of free disk space for virtual memory. It also states that Adobe recommends at least 16 GB RAM for professional work and 32 GB or more for complex projects.
The primary scratch disk has insufficient space
Switch the primary scratch disk to a drive with more available space.
On Windows, select Edit > Preferences > Plug-ins & Scratch Disks. On macOS, select Illustrator > Settings > Plug-ins & Scratch Disks.
In the Scratch Disks section, select a drive with more available space from the Primary menu.
Select OK, then restart Illustrator.
The source article notes that solid-state drives (SSDs) provide better performance than traditional hard drives.
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