Third-party Licenses

Last reviewed: August 17, 2026

PrivaCanvas uses the following third-party components for on-device face detection. They are distributed under the Apache License 2.0.

MediaPipe Tasks Vision

• Version: 1.0.1
• Purpose: browser-side face detection runtime
• Source: google-ai-edge/mediapipe
• License: Apache License 2.0

The runtime and WASM files are served by PrivaCanvas. MediaPipe states that task inputs are processed on-device and are not sent to Google. The library contains performance and utilization metrics code; PrivaCanvas blocks third-party application data connections using Content Security Policy.

BlazeFace models

The active full-range BlazeFace model and the retained short-range model are licensed under Apache License 2.0 according to their official model cards.

• Full-range model card
• Short-range model card

PrivaCanvas uses these models only to locate faces for redaction. It does not perform identity recognition, surveillance, face matching, or sensitive attribute inference.

Detailed file hashes and distribution records are maintained in the project's THIRD_PARTY_NOTICES.md file.