AstroPics Lab

At a glance

• Editor score
  6.2 / 10
• Pricing
  Free plan
• Best for
  Amateur astrophotographers on Windows
• Free plan
  Yes
• Paid from
  Free
• AI denoising
  Yes
• Facts checked
  21 Oct 2026

• Where it wins

  • AI denoising, star separation, enhancement and colorization in one app
  • Supports FITS and XISF alongside TIFF, PNG and JPEG
  • Local AI processing with no cloud processing or subscription

• Where it doesn't

  • Windows desktop only
  • Focused on astrophotography rather than general photo editing
  • AI processing runs on the user's computer

Our verdict on AstroPics Lab

AstroPics Lab is a free Windows desktop application for amateur astrophotographers who want to reduce noise and adjust astronomical images. Its AI tools cover denoising, separating stars and objects into layers, enhancement, 2× upscaling and colorization of monochrome or weak-color images. The app also handles FITS and XISF, as well as TIFF, PNG and JPEG, making its file support more relevant to astrophotography than a general-purpose photo workflow.

Its processing tools go beyond denoising: histogram stretching with MTF and GHS algorithms sits alongside curves, levels, gradient removal and selective color tools. Automated processing pipelines are also included. This combination makes AstroPics Lab a fit for solo users and small-scale workflows that need astrophotography adjustments and AI assistance in one desktop application. The emphasis is specific, though; it is not positioned as a broad photo editor for everyday images.

The application is free, and the vendor says its AI models run locally, without cloud processing or subscriptions. That suits users who prefer an offline desktop workflow, but it also means the AI work runs on the user's own computer. AstroPics Lab is Windows-only, so users on other platforms should look elsewhere. Choose it if you want free, locally processed astrophotography tools and support for specialist image formats; consider an alternative if you need a cross-platform or general-purpose noise reduction tool.

Your product? Our editors can test AstroPics Lab in depth and publish a review, labelled as paid · from $149/mo →

AstroPics Lab pricing

AstroPics Lab fact sheet

Alternatives to AstroPics Lab

• Topaz PhotoAI denoise and broad retouching for editors working in desktop photo workflows.8.8
• NDNik DfineA selective, profile-driven denoiser for established desktop editing workflows.8.6
• ONON1 NoNoise AIA capable one-time AI denoiser with broad plugin support and desktop-only delivery.8.4

See all AstroPics Lab alternatives →

Featured on iTechGuides

AstroPics Lab is listed in our Photo Noise Reduction Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 29 Oct 2026 · How we research and update