Pipelines
Speckle Remover: clean up tiny stray pixels
Finds and removes tiny stray pixels left behind after background removal. A vacuum for the leftover bits Color Removal misses.
After Color Removal V2 cuts out a background, you sometimes end up with tiny groups of pixels floating in the empty space — bits Color Removal V2 missed because they were a slightly different color than the rest of the background.
Speckle Remover finds those tiny floating pixel groups and erases them. The result is a much cleaner cutout.
Why this step matters
Stray pixels look fine on screen but show up obviously when printed. A handful of stray dots around a design becomes visible specks on a sticker, a print, a shirt — anything physical.
Add Speckle Remover after Color Removal V2 in your pipeline and the cleanup happens automatically across your whole batch.
How to use it
- Add Speckle Remover to your pipeline (most useful right after Color Removal V2).
- Set Max cluster size — the biggest size of "speckle" you want to delete (defaults to 50 pixels).
- Use View mode first to see what would get removed (highlighted in a bright color).
- Switch to Delete mode when you're happy with what's being caught.
- Optional: click Auto-detect to let ReadyPixl pick a Max cluster size based on your image.
The settings
| Setting | What it does |
|---|---|
| Max cluster size (default: 50 pixels) | The biggest "blob" of pixels to count as a speckle. Anything smaller gets caught by this tool. Bigger values catch bigger leftover bits but risk eating into details of your actual design. |
| Mode | View highlights what would be removed in a bright color, without actually removing anything — for testing settings. Delete actually removes the highlighted speckles. |
| Highlight color | Which color to use for the View-mode highlight. Quick options: Hot Pink (#FF1493), Neon Green (#39FF14), Aqua Blue (#00FFFF). Pick whichever stands out most against your design. |
| Visibility (0–50, default 10) | How visible the highlights are when in View mode. Useful when the highlight color is fighting your design colors. |
How to find the right Max cluster size
Speckle is one of those tools where the best setting depends on your image. Workflow:
- Start with the default (50).
- Set Mode to View. Run the pipeline.
- Look at the preview — are the highlighted speckles the actual stray bits you want gone? Are any pieces of your real design getting highlighted?
- If too few speckles caught: raise Max cluster size (try 100 or 200).
- If your real design is getting eaten: lower Max cluster size (try 25 or 10).
- Once the highlights look right, switch Mode to Delete and process your batch.
For most Color Removal V2 cleanup, the default of 50 catches the right stuff.
Tips
- Always test in View mode first with a few sample images before running on a big batch. Saves you from accidentally erasing important bits of your design.
- Place Speckle right after Color Removal V2 in your pipeline. That's when speckles exist; running it earlier won't find anything.
- Auto-detect is a good shortcut if you don't want to think about Max cluster size — it picks a reasonable value based on your image.
What to read next
- [Color Removal V2](color-removal) — almost always run before Speckle (Speckle cleans up what Color Removal V2 leaves behind)
- [Transparency Cleaner](transparency) — paired cleanup tool for faint halos
- [Per-tool quirks](../troubleshooting/per-tool-quirks) — common Speckle issues and fixes
- For batches with very different content, Auto-detect adapts per image; a fixed Max cluster size might be too aggressive on some and too soft on others.
- Speckle Remover ignores pixels that are connected to your main subject. It only looks at isolated floating bits — your design stays safe as long as it's all one connected piece.
Things Speckle Remover doesn't do
- It doesn't fix big leftover blobs. If Color Removal V2 missed a chunk bigger than your Max cluster size, this tool won't catch it. Either raise the Max cluster size, or fix the underlying Color Removal V2 settings (try a higher preset).
- It doesn't work on solid backgrounds. Speckle Remover only sees transparent pixels and small isolated groups inside them. If your image still has a solid background, run Color Removal V2 first.
- It can't tell speckles from intentional small details. A 30-pixel logo dot looks the same as a 30-pixel speckle to this tool. If your design has small details, set Max cluster size below their size to keep them safe.
- It doesn't smooth edges. For jagged edges, try a different Color Removal V2 preset, or run Transparency Cleaner.