Can I use MPL 2.0 commercially?

Short answer: Commercial use: Yes. Commercial use, modified and redistributed: Yes.

Mozilla Public License 2.0 (MPL-2.0): Use, modify and distribute, including in larger proprietary works; files covered by the MPL that you change and distribute must stay under the MPL with their source available.

Commercial use: Yes

License: Mozilla Public License 2.0 (MPL-2.0, curated)

• Every use you described is granted by MPL 2.0, and nothing you described is prohibited.

Duties: license_notice, share_alike, source_disclosure

Commercial use, modified and redistributed: Yes

License: Mozilla Public License 2.0 (MPL-2.0, curated)

• Every use you described is granted by MPL 2.0, and nothing you described is prohibited.

Duties: license_notice, share_alike, source_disclosure

Context

• Copyleft applies file by file.
• Executable forms may be distributed under different terms if the source of covered files stays available under the MPL (section 3.2); general sublicensing is not documented.

Sources

• Mozilla Public License 2.0: official text
• MPL-2.0 on the SPDX License List

Check it yourself (free, no key)

{
  "tool": "check_license",
  "arguments": {
    "license": "MPL-2.0",
    "intended_use": {
      "commercial_use": true
    }
  }
}

Computed from Rightshold's license profiles; not legal advice. Updated 2026-10-19. JSON · Markdown