Hearvox TTS

Purpose: Listening to selected webpage text aloud without manually copying it into a text-to-speech service.

Inferred · not functionally tested

Audience: Firefox users who need text-to-speech for web content

Inferred · not functionally tested

Functions: voice_synthesis

Inferred · not functionally tested

Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: MIT · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org · github.com. These links do not verify the individual claims.

Hearvox TTS is a Text to speech project. Inferred · not functionally tested: It focuses on listening to selected webpage text aloud without manually copying it into a text-to-speech service. Inferred · not functionally tested: It is built as a consumer product for firefox users who need text-to-speech for web content. Basis unknown · not verified: Hearvox TTS costs nothing to use. Basis unknown · not verified: It runs on the web and embeddable surfaces.

Adamovix builds and maintains Hearvox TTS, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include selected text reading, right-click menu, and voice selection. The interface is available in 32 languages, including Czech, German, and Greek. Inferred · not functionally tested: Catalogued interfaces include a public API.

Summary written by a language model from the project’s public pages.