After
Before
Enhance detail and clarity
Show the difference between a soft, low-detail image and a clearer enhanced result.
- HD
Enhancement demos should be honest: show clearer detail without promising unrealistic reconstruction.
Denoise Image
Denoising reduces random grain, color speckles, and sensor noise. Strong denoising can make images look cleaner but may smear fine detail, hair, fabric, foliage, or text.
or drag and drop images here
Fast async jobs
No install required
Temporary files
Batch uploads
See what this tool changes
Accepted files
.png, .jpg, .jpeg, .webp
Output formats
same_as_input, jpg, png, webp
API endpoint
/v1/enhance
Use this tool from your app
Submit files to /v1/enhance, poll the job endpoint, then download outputs programmatically.
What it changes
Denoising reduces random grain, color speckles, and sensor noise. Strong denoising can make images look cleaner but may smear fine detail, hair, fabric, foliage, or text.
How it works
Denoising separates unwanted local variation from real edges and texture. The harder the image, the more the tool must guess.
Performance
Moderate to heavy depending on method. AI denoise and edge-aware filters are slower than simple smoothing but usually preserve detail better.
Best for
- low-light phone photos
- flat backgrounds
- scanned paper
- images before compression
Limitations
- tiny text
- fine fabric
- heavy JPEG blocking
- already smoothed portraits
Common artifacts
- plastic skin
- smeared hair
- watercolor patches
- soft type
Settings
slider
strength
Higher strength removes more noise and more texture.
slider
preserve_detail
Keeps edges and fine structures when possible.
boolean
strip_metadata
Removes metadata from generated output when supported.
FAQ
Why does denoise make photos soft?
The operation may treat real texture as noise. Lower strength or apply sharpening after denoise.
Should I denoise before compression?
Often yes. Cleaner images usually compress better, but over-denoise can look artificial.
Why does denoise make photos look soft?
Noise and fine texture can look similar to algorithms. Strong denoising may remove both.
Can denoise fix low-light photos?
It can improve noisy low-light photos, but severe underexposure may still lack detail and color accuracy.
Should I denoise before sharpening?
Usually denoise first, then apply gentle sharpening to the final size.
Does denoise remove compression artifacts?
Sometimes partially, but JPEG blocking and ringing may need artifact-specific cleanup.
Is Denoise Image free to use?
The public ImageHQ frontend is built for fast browser-based image jobs backed by compact async APIs.
Are uploaded files temporary?
ImageHQ jobs use temporary file retention for processing and downloads.
References
ImageMagick command-line options
ImageMagick - library_documentation
NVIDIA OptiX AI-Accelerated Denoiser
NVIDIA Developer - official_vendor_doc