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1.x Block Swap

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Block Swap


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Block Swap

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Block Swap

Randomly shuffle image blocks.

Block Swap does exactly what the name implies: it randomly shuffles image blocks. This After Effects Plug-in is great for clean-looking noise effects, blocky glitches and transitions. The size, spread, and number of blocks are fully customizable too.

How it works

Blocks of the source image are simply swapped between each other. Their size, spread, count and other parameters can be controlled and animated.

Available parameters rundown

  • Channels allow you to specify which color channels should the effect be applied to:
    • RGBA – the effect is applied to all channels equally
    • red, green, blue and alpha – the effect is applied only to the selected channel
  • Block Width specifies the width of the blocks that should be swapped – the values go from 1 (this produces noise-like effect) up to 1024 (large tiles)
  • Block Height specifies the height of the blocks
  • Shuffle Strength – the percentage of blocks that should be swapped. 0 – all the blocks remain in their original place; 1 – all the blocks are swapped.
  • Shuffle Spread – how far apart should the swapping occur. 0 – swaps only the neighbouring blocks; 1 – swaps blocks that are the furthest apart.
  • Shuffle Spread Direction determines the axis where swapping occurs:
    • Horizontal – blocks are moved only in their rows
    • Vertical – blocks are moved only in their columns
    • Both – blocks are swapped anywhere in the image
  • Random Seed sets the order that’s used for swapping. Animate this to move blocks around randomly.


After Effects 2024, 2023, 2022, 2021, 2020, CC 2019, CC 2018, CC 2017, CC 2015.3, CC 2015, CC 2014, CC, CS6
Premiere 2024, 2023, 2022, 2021, 2020, CC 2019, CC 2018, CC 2017, CC 2015.3, CC 2015, CC 2014, CC, CS6

1.5.0  –  Feb 16, 2023

• Time Shift (new section) – allows shifting of blocks in time
• Mask Filter (new section) – controls occurrence of swap operation only in certain areas
• Composite on Original – allows outputting only changed areas of the image
• Block width and height size limit extended to 4096
• Universal macOS binary (Apple silicon support) for Premiere Pro and After Effects (beta)
• Multi-frame rendering support
• Code signed Windows binary and SatoriFX branding
• Aescripts framework v4.0.7 – improved stability of license checks

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