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Speech Translator Chrome Extension

Transcribes and translates any video, audio or livestream on your screen in real time.

Checked 5 Oct 2026 Reviewed by Alex Listed since September 2024

Screenshot of Speech Translator Chrome Extension

At a glance

Starts at Free Listed as free on the Chrome Web Store.
Free tier Yes
Platforms Chrome
Best for Livestreamers and learners needing real-time translated captions
Not for Anyone needing premium features without paying

3.9 out of 5

Scored by Alex after real use

Our verdict

Speech Translator listens to whatever audio source you point it at, transcribes the speech, then translates it into your chosen language in real time, with no account needed for the core functions. It covers a wide spread of uses, from OBS overlays for streamers to accessibility captions and language-learning practice, and version 1.0 added offline recognition, dual-language display and more audio source options. Desktop capture, offline mode and the premium translation engines all sit behind a paid upgrade beyond the free core.

✓What it does well

Real-time transcription and translationConverts speech into text and translates it as it happens.
Multiple audio sourcesCaptures audio from a browser tab, the desktop or a microphone.
No account requiredCore features work immediately without creating an account.

✕Where it falls short

Premium features gatedDesktop capture, offline mode and premium engines require a paid upgrade.
Offline mode is Chrome-onlyOffline speech recognition only works in Chrome, not other browsers.
Accuracy varies by serviceTranscription and translation quality depends on the underlying Google or Microsoft engine chosen.

Key features

Real-time speech transcriptionConverts speech from any audio source into text as it happens.
Live translationTranslates transcribed text into your chosen language on the fly.
Translation read-aloudReads translated text out loud while lowering the original audio.
Offline speech recognitionProcesses speech on-device in Chrome without needing an internet connection.

Questions about Speech Translator Chrome Extension

What does Speech Translator Chrome Extension do?

Speech Translator Chrome Extension transcribes speech from a video, audio or livestream and translates it into a chosen language in real time. It can capture audio from a browser tab, the desktop or a microphone, and can read translations aloud while lowering the original audio.

Is Speech Translator Chrome Extension free?

The core of Speech Translator Chrome Extension is free on the Chrome Web Store and works without creating an account. Desktop capture, offline mode and the premium translation engines sit behind a paid upgrade beyond that free core.

Who is Speech Translator Chrome Extension for?

Toolio lists livestreamers and learners who need real-time translated captions as the best fit. The reviewer notes uses ranging from OBS overlays for streamers to accessibility captions and language-learning practice, while anyone wanting premium features without paying should look elsewhere.

Does Speech Translator Chrome Extension work offline?

Yes, with limits. Version 1.0 added offline speech recognition that processes speech on-device without an internet connection, but it only works in Chrome and is part of the paid upgrade. The reviewer also notes accuracy depends on whether the Google or Microsoft engine is chosen.

How does Toolio rate Speech Translator Chrome Extension?

Alex scored Speech Translator Chrome Extension 3.9 out of 5 after real use on 5 Oct 2026. Its strengths include real-time transcription and translation, multiple audio sources and no account requirement, while gated premium features and variable accuracy count against it.

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