Block Swap v1.5.1
Download Block Swap v1.5.1, a creative After Effects and Premiere Pro plugin by Satori that randomly shuffles blocks of your image to generate unique visual effects . Perfect for creating clean-looking noise effects, blocky glitches, and dynamic transitions, this tool offers extensive control over block behavior with advanced features like Time Shift and Mask Filtering .
Randomly shuffles image blocks with the ability to filter out certain areas or include frames from other times.
Great for randomly recomposing scenes, clean-looking noise effects, blocky glitches, or transitions.
Key Features of Block Swap v1.5.1:
- Random Block Swapping: Automatically swaps blocks of the source image, with full control over block size, spread, and quantity
- Time Shift (New in v1.5+): Allows blocks to shift in time rather than just screen space, enabling temporal effects using up to 16 frames from different times
- Mask Filter: Control where block swapping occurs using a mask layer, with three filter types (Threshold, Randomized Threshold, Randomized Mask) for precise area-based effects
- Color Channel Control: Apply effects to RGBA or individual red, green, blue, and alpha channels
- Adjustable Parameters: Fine-tune Shuffle Strength (0-1), Shuffle Spread (distance of swaps), and Shuffle Spread Direction (All, Horizontal, Vertical)
- Random Seed Animation: Animate the Random Seed parameter to create organic, evolving movement
- Composite on Original: Output only changed areas for targeted effect application
- Align Function (v1.5.1): Automatically finds nearest block dimensions to create uniform blocks throughout the image
- Multi-Frame Rendering Support: Optimized for modern After Effects rendering pipelines
- Block Size Range: Width and height adjustable from 1 (noise-like effect) up to 4096 pixels (large tiles)
Time Shift Controls:
- Frame Count: Use up to 16 frames from different timeline positions
- Probability: Control frequency of time shifting (0-100%)
- Stepping Unit: Choose between seconds or frames for precise timing
- Edge Time Modes: Repeat Last, Wrap (ideal for loops), or Mirror for handling frame boundaries
- Exclusive Mode: Apply only time shifting without spatial swapping
Perfect For:
- Motion graphics artists creating glitch effects and transitions
- VFX artists needing procedural noise and blocky distortions
- Editors working on music videos with experimental aesthetics
- Anyone wanting to create unique, randomized visual effects
System Requirements:
- Adobe After Effects CS6 through 2025
- Adobe Premiere Pro CS6 through 2025
- Windows or macOS (Intel and Apple Silicon)
- 4GB RAM minimum (8GB+ recommended)
- 50MB available disk space
- Multi-Frame Rendering supported
Version 1.5.1 Updates (July 23, 2024) :
- Added Align function for uniform block sizing
- Fixed crash for unregistered versions with composition height over 4096 pixels
- Fixed Exclusive Mode in Time Shift (now properly disabled when feature off)
- Fixed scaling affected by adjustment layer resolution differences
- Stapled macOS build with signing and notarization
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.
Section Time Shift allows you to change blocks in time instead of just on the screen space.
If swapping of blocks occurs can be controlled in the Mask Filter section with few possible conditions to select – helpful to animate the in/out of the effect or have precise control over the placement.
Default values are backward compatible with the previous version 1.0.
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 4096 (large tiles)
- Block Height – specifies the height of the blocks
- Align – use this button to find the nearest values of the current Block Width and Block Height parameters to create (if possible) blocks of the same size throughout the image. Suppose the width or height of the image is a prime number. In that case, no ideal block dimension exists to swap all the blocks between them (meaning blocks of the last column or last row can’t be distributed to other locations because it’s possible to swap only blocks of the exact dimensions).
- 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:
- All – blocks are swapped anywhere in the image
- Horizontal – blocks are moved only in their rows
- Vertical – blocks are moved only in their columns
- Random Seed – sets the order that’s used for swapping. Animate this to move blocks around randomly.
- Composite on Original – controls whether to display the entire image or only changed parts. Useful to uncheck when you want to apply other effects only to areas where block swap was applied.
▽ Time Shift
- Frame Count – sets the number of frames on the timeline you wish to use in the Time Shift feature, with the ability to use up to 16 frames from a different time. If the value is set to 0, this feature is disabled.
- Probability – defines the frequency of time shifting occurrence. Value 0% disables thefeature completely and 100% means all the blocks are randomly time shifted.
- Stepping Unit – the options Second and Frame specify which Time Step parameter is in use. Sometimes the precise stepping by number of frames is preferred, while control by time step in seconds guarantees stable stepping even when the FPS of the composition is changed.
- Time Step [seconds] – specifies the time step per each frame in seconds from negative (backwards) to positive (forwards) values.
- Time Step [frames] – specifies time step per each frame in number of frames and ranges from negative to positive values. Please keep in mind it’s in relation to your actual composition’s FPS.
- Edge Time Mode – defines a strategy for handling access of frames outside the applied layer content boundaries. Repeat Last picks the first or the last frame. The Wrap option behaves as if the layer was extended before and after it by new copies of itself, which is ideal for looped footage. Setting Mirror acts as if the layer is extra copied before and after in the reversed direction.
- Exclusive Mode – when checked, time shift is only applied to blocks and swapping in the screen space is omitted.
- Random Seed – sets the order that’s used for randomization in the Time Shift section.
▽ Mask Filter
Provides better control over swapping occurrences. Source image is used as a mask by default, but any other layer can be selected. Intensity controls how much the filter is applied. By default it’s set to 0% (no filtering) for ackwards compatibility.
- Intensity – controls how strongly block filtering is applied. With the default value of 0%, the filter is not applied.
- Type – offers three conditions to filter out swapping:
- Threshold – gradually filters out according to luminosity intensity of Mask Source in the same areas where swapping should occur. Areas with minimum luminosity filters out first and areas with maximum luminosity stay even with 100% intensity.
- Randomized Threshold – applies randomization of Intensity parameter between 0 and maximum value and then threshold is applied. This allows more natural disappearance of blocks when using gradients as a mask.
- Randomized Mask – mask’s luminosity is randomized between 0 and maximum value for each area and then filter is applied by comparing with selected Intensity. Again it allows the other kind of natural filtering. Intensity value of 100% wil filter all blocks for any mask given.
- Mask Source – is a layer used for filtering (the default is a source layer for the effect).
- Random Seed – sets the order that’s used for randomization used in the Mask Filter section.

| PLATFORMS | |
| Microsoft Windows | ✓ |
| macOS Intel | ✓ |
| macOS Apple Silicon | ✓ |
| APPLICATIONS | VERSIONS | |
| After Effects | ✓ | CS6 – 2025 |
| Premiere Pro | ✓ | CS6 – 2025 |
| FEATURES | |
| Max. Rendering Resolution* | no limit |
| Multi-Frame Rendering | ✓ |
| Utilizing GPU | ✗ |
* No limit of rendering resolution works only in the registered version. The trial version limit is 4096 pixels vertically.
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