What this tool does
Remove image noise
Reduce luminance and colour noise separately while preserving stronger edges and useful photo texture.
The tool is designed to get that one job done without making you learn a full piece of software first.
Free · No sign-up · PrivateSmart / Local Tools
Remove image noise and grain.
Clean up low-light speckle and coloured sensor noise while protecting stronger edges, hair, fabric and product texture from becoming plastic.
Workflow: remove distracting noise first, then use a small amount of sharpening if the cleaned image feels soft.
Private by design: your image stays local.
Luminance noise and colour noise are different
Luminance noise looks like random brightness variation or gritty speckle. Colour noise appears as red, green, blue or purple flecks, especially in shadow areas. Separating the two controls lets you clean coloured noise more aggressively without flattening every bit of useful brightness texture.
Preserve detail is the safety control
Raise Preserve detail when the image contains hair, skin texture, fabric weave, product labels or fine scanned text. Lower values smooth more strongly, but heavy smoothing can make portraits waxy and remove the texture that makes an image feel real.
Pick the preset by source
Photo is a balanced start. Low-light pushes colour cleanup harder. Scanned image protects stronger page/text detail. Gentle cleanup is useful when you mostly like the image and only want the most obvious noise softened.
Denoise first, sharpen second
If a cleaned photo feels a little soft, use a small amount of sharpening afterwards. Sharpening first amplifies random noise and can make the cleanup step harder and less natural.
Useful to know
Do the job. Know what to check.
Short, practical guidance for this specific kind of task, without turning a tiny job into a tutorial marathon.
Best results
Clean the noise without polishing away the texture.
Look closely at skin, hair, fabric and fine product detail. If surfaces start looking waxy, back the noise reduction off.
Denoise first, then apply a small amount of sharpening if the result feels too soft.
In plain English
What matters most.
Digital noise is random variation from low light, high ISO or compression. Removing all texture is not the goal; removing the distracting part is.
AI tools download their model on first use and local-processing tools work directly in your browser. Choose the specialist tool that best matches your subject for cleaner results.
File size & formats
Big images use more memory than their file size suggests.
What can I use?
JPG, PNG and WebP are the safest choices. Other image formats work when your browser can decode them.
Is there a size limit?
There is no extra OutMonkey upload-size cap in the browser interface. Very high-resolution images can still hit your browser or device memory limit, especially when enlarging them or running local models.
If the file is huge
If an enormous image will not process, use a smaller copy or reduce its pixel dimensions first. Keep the original untouched.