Translate between Spanish and English directly in your browser without sending the text to UtiliTools Pro servers.
The tool uses Marian OPUS-MT models prepared for Transformers.js. Each translation direction has its own model. After the first download, the browser can reuse the stored files.
Translate Spanish to English with a specialized model.
Switch the translation direction with one button.
The content is processed on the device.
It uses Marian models in ONNX format.
Copy the translation directly.
Save the translated text as a file.
Write or paste the text.
Choose the translation direction: ES→EN or EN→ES.
Click “Translate with AI”.
Copy or download the translation.
Marian OPUS-MT is a family of models specialized in translation. We use ONNX conversions compatible with Transformers.js and WebAssembly.
Yes. The models run in your browser without an API that charges per translation.
This first version is optimized for Spanish and English in both directions.
No. Inference is performed locally by WebAssembly.
The browser needs to download the model from the selected URL. Subsequent runs may use the cached files.
Yes. The tool automatically divides the text into fragments to avoid overloading the model.
