響

Echo

Translate.
Listen.
Echo.

Enter one English sentence below to start a shadowing loop.

Furigana English Polite

0echoes so far

Ready

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響

Echo

Say what you mean in Japanese — then drill it out loud until your mouth knows it.

Write one English sentence
Echo the Japanese back, on a loop
Say it again when it comes back due

Step 1 of 1

One thing first

Echo needs a translator. Pick a service you have an account with and paste its key — it is saved on this device and goes nowhere else.

Service Key Endpoint

Your service gives you a key in its own dashboard, usually under API keys.

Keys are stored in this browser only, and are never included in an export or a backup file.

Ready

The Japanese

Readings go in square brackets after a kanji run, like 駅【えき】.

0EchoesStage—Until due

How it has gone

Delete this sentence?

0sentences due

休Nothing due

0New0Learning0Review

Review

Say it in Japanese

Edit anything it mishears before you check.

You said

The sentence

0echoes

Ready

了All said

Due now

Nothing is waiting. The gap is the point.

Still to come

響Echo

KeysSpace check, then pause1 again 2 okEsc end the session

Settings

Appearance

ThemeMotion

The arcs beside the echo count move while audio plays. Following your device means battery saver stops them.

Audio

Japanese voicePlayback speed

No Japanese voice is installed on this device.

The shadowing loop never opens your microphone. Dictation uses your browser's own speech recognition, so that audio is handled by your browser's maker.

Reviews

Start listening automaticallyThe microphone opens as each card appears. Turn it off to tap the mic yourself — or just type.

Whatever comes out stays editable until you check it, so a misheard word costs you nothing.

Reminders

Tell me when sentences are dueOne a day at most, and only when something is actually waiting.

Time of day

Your device asks permission the first time you turn this on.

Translation

AI provider

DeepSeek API keyModel

Gemini API keyModel

OpenAI API keyModel

Anthropic API keyModel

OpenAI-compatible endpointModel

Works with Ollama or LM Studio when its local server allows requests from this site.

Credentials are saved only in this browser and never included in exports.

Optional translation proxy

Used if a provider blocks direct browser requests.

Your sentences

Anki deckRepetitions, lapses, interval and due date travel with it.

Backup fileEvery sentence as JSON — move devices, or keep a copy.

Install EchoWorks offline once installed.