.jsonc file: how to open it on Windows

22 Windows apps register the .jsonc extension. Install one of them to open the file with a double-click.

• 
  Notepad3

  Notepad like text editor based on the Scintilla source code.

  Free 7.26.602.1 84.4K ↓ ★ 6.7K
• S
  Sublime Text 4

  Sublime is a sophisticated cross-platform text editor for code, markup and prose.

  Proprietary 4.0.0.421500
• A
  Altova MissionKit 2026 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2026.02.00.01
• A
  Altova MissionKit 2026 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2026.02.00.01
• A
  Altova Authentic 2026 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2026.02.00.01
• A
  Altova XMLSpy 2026 Enterprise Edition

  JSON and XML Editor

  Proprietary 2026.02.00
• A
  Altova XMLSpy 2026 Professional Edition

  JSON and XML Editor

  Proprietary 2026.02.00
• A
  Altova Authentic 2025 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2025.02.00.01
• A
  Altova MissionKit 2025 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2025.02.00.07
• A
  Altova MissionKit 2025 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2025.02.00.07
• A
  Altova XMLSpy 2025 Enterprise Edition

  JSON and XML Editor

  Proprietary 2025.02.00.07
• A
  Altova XMLSpy 2025 Professional Edition

  JSON and XML Editor

  Proprietary 2025.02.00.07
• A
  Altova Authentic 2023 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2023.02.00.04
• A
  Altova Authentic 2024 Enterprise Edition

  XML content authoring tool and document editor for non-technical users

  Proprietary 2024.02.01
• A
  Altova MissionKit 2023 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2023.02.00.05
• A
  Altova MissionKit 2023 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2023.02.00.05
• A
  Altova MissionKit 2024 Enterprise Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2024.02.01
• A
  Altova MissionKit 2024 Professional Edition

  Suite of XML, JSON, and SQL tools including XMLSpy & MapForce

  Proprietary 2024.02.01
• A
  Altova XMLSpy 2023 Enterprise Edition

  JSON and XML Editor

  Proprietary 2023.02.00.04
• A
  Altova XMLSpy 2023 Professional Edition

  JSON and XML Editor

  Proprietary 2023.02.00.04
• A
  Altova XMLSpy 2024 Enterprise Edition

  JSON and XML Editor

  Proprietary 2024.02.01
• A
  Altova XMLSpy 2024 Professional Edition

  JSON and XML Editor

  Proprietary 2024.02.01

Related guide: Change the default app for a file type in Windows