SuperSlicer

At a glance

• Editor score
  7.6 / 10
• Pricing
  Free plan
• Best for
  Power users wanting free FFF and mSLA control
• Free plan
  Yes
• Paid from
  Free
• Support generation
  Both
• Facts checked
  21 Sep 2026

• Where it wins

  • Supports both FFF G-code and mSLA PNG-layer workflows
  • Offers variable layers, multi-material printing and calibration tools
  • Includes macros, post-processing, CLI automation and STL repair

• Where it doesn't

  • Advanced settings may be more than casual users need
  • macOS and Linux builds are described as untested
  • Integration breadth is narrower than some category alternatives

Our verdict on SuperSlicer

SuperSlicer is open-source desktop slicing software for 3D-printing enthusiasts and advanced users. It converts STL, OBJ, AMF and 3MF models into G-code for FFF printers or PNG layers for mSLA printers. The software runs on Windows, macOS and Linux and supports common RepRap-based firmware such as Marlin, Prusa and Klipper. Its audience is primarily users who want detailed control over print preparation rather than a minimal workflow.

Its strongest area is control across both filament and resin printing. SuperSlicer supports multiple extruders for multi-material printing, variable layer heights within a print, automatic and manual support workflows, infill controls, perimeter tuning and built-in calibration tests. STL auto-repair can address model issues before slicing. These features give experienced users room to tune print quality and material behavior, while the breadth may feel demanding for someone seeking only default profiles and a short path from model to print.

Automation and customization make SuperSlicer particularly suitable for technical workflows. Customizable G-code macros, post-processing scripts and a command-line interface support repeatable preparation and integration into more advanced processes. It is distributed as standalone desktop software and is free under its open-source model. The published project information describes an older stable release alongside a development beta, with newer development activity also shown in releases. macOS and Linux builds are explicitly described as untested by the maintainer. Choose SuperSlicer if free, cross-platform access and deep FFF or mSLA control matter most; choose another slicer if broader verified integrations or a simpler beginner experience are priorities.

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SuperSlicer pricing

SuperSlicer fact sheet

Alternatives to SuperSlicer

• Formlabs PreFormA capable free slicer for teams committed to Formlabs production workflows.9.3
• UltiMaker CuraA capable free slicer for FDM users who want detailed control over print preparation.9.2
• Creality PrintA capable free slicer for Creality-focused FDM workflows, with cloud and remote-control features.9.2

See all SuperSlicer alternatives →

Featured on iTechGuides

SuperSlicer is listed in our 3D Slicer 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 7 Oct 2026 · How we research and update