NoiseXTerminator
NoiseXTerminator: Astronomy-trained denoising with separate noise controls and local processing. Ranked #12 of 29 in Photo Noise Reduction Software by our editors (7.1/10); pricing: Paid; best for astrophotographers using PixInsight or Photoshop.
At a glance
- Editor score7.1 / 10
- PricingPaid
- Best forAstrophotographers using PixInsight or Photoshop
- Free planNo
- Paid from$59.95 one-time
- AI denoisingYes
- Facts checked21 Oct 2026
Where it wins
- Separates intensity and color noise, plus high- and low-frequency noise
- Available as a CLI tool and PixInsight or Photoshop plug-in
- Runs locally and supports GPU acceleration on compatible systems
Where it doesn't
- The machine-learning training is specific to astronomical images
- Costs $59.95 one-time, with no free plan
- Affinity Photo compatibility is through the Photoshop version
Our verdict on NoiseXTerminator
NoiseXTerminator is a local machine-learning noise-reduction tool designed for astrophotography. It suits solo photographers and small teams who want to denoise astronomical images through a command-line interface or a plug-in workflow in PixInsight or Photoshop. Its training is specific to astronomical images, so photographers looking for a general-purpose photo denoiser may prefer a tool designed for broader image types.
Noise control is more fine-grained than a single strength adjustment: users can separate intensity from color noise and high-frequency from low-frequency noise, then adjust denoise strength and process iteratively. The model uses discriminative, non-generative training, intended to reduce noise while limiting artifacts and invented detail. Processing is local on supported Windows, macOS, and Linux systems, with CPU or GPU acceleration depending on platform and configuration. That makes it a fit for desktop workflows, but not a cloud-processing service.
The published plan is a $59.95 one-time permanent license, with standalone CLI, PixInsight, and Photoshop license options. The Photoshop version is also compatible with Affinity Photo. A free trial is offered, though its duration and payment-card requirements are not specified on the product page. Choose NoiseXTerminator if your work centers on astronomical images and its supported desktop workflows; consider an alternative if you need broader photographic coverage or a dedicated batch workflow. Support is available through tickets and documentation.
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NoiseXTerminator pricing
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NoiseXTerminator fact sheet
| Free plan | No |
|---|---|
| Paid from | $59.95 one-time |
| RAW file support | Not verified |
| AI denoising | Yes |
| Batch processing | Not verified |
| Plugin support | Yes |
| Desktop platforms | Both |
| Processing mode | Local |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Tickets, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 3 integrations: PixInsight, Adobe Photoshop, Affinity Photo |
| Pricing | Paid (source) |
| Website | rc-astro.com |
| Facts checked | 21 Oct 2026 |
NoiseXTerminator integrations
NoiseXTerminator lists 3 integrations on its own site.
- PixInsight
- Adobe Photoshop
- Affinity Photo
Alternatives to NoiseXTerminator
- Topaz PhotoAI denoise and broad retouching for editors working in desktop photo workflows.8.8
- Nik DfineA selective, profile-driven denoiser for established desktop editing workflows.8.6
- ON1 NoNoise AIA capable one-time AI denoiser with broad plugin support and desktop-only delivery.8.4
See all NoiseXTerminator alternatives →
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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